Associate Professor Nadeeka Dissanayaka
Group Leader
UQ Amplify Fellow
UQ Centre for Clinical Research
Researcher biography
Associate Professor Nadeeka Dissanayaka is a NHMRC Boosting Dementia Research Leadership Fellow. She is founder and director of the Dementia & Neuro Mental Health Research Unit at the University of Queensland Centre for Clinical Research. She is an honorary research fellow at Department of Neurology, Royal Brisbane & Women's Hospital. Her expertise include multidisciplinary areas ranging from basic science (eg: pharmacology, genetics, cognitive neuroscience, neuroimaging) to clinical science and medicine (eg: psychology, psychiatry, neurology, clinical trials and implementation science).
Ageing, Mental Health, and Neurodegenerative diseases such as Dementia and Parkinson's disease are key areas of A/Prof. Dissanayaka's research. Her primary research themes include:
1. Evaluation and Treatment of Behavioural and Psychological Symptoms in Dementia (BPSD), with a special focus on anxiety and depression.
2. Development of a Mental Health Benchmarking Industry Specific Tool for Residential Aged Care (MHICare Project)
3. Pychotherapeutic Interventions including artificial intelligence, virtual reality and telehealth guided by biofeedback systems for persons with cognitive impairment and Parkinson's disease
4. Neuropsychiatric Manifestations in Parkinson's disease including anxiety, depression, cognitive dysfunction, sleep and impulse control disorders.
5. Neurobiological Underpinnings of Cognitive and Emotional Impairment in Dementia and Parkinson's disease (neuroimaging studies) and drug repurposing.
Publications
Book Chapters
Dissanayaka, N. N. W. (2021). Anxiety in Parkinson’s disease. Anxiety in older people: clinical and research perspectives. (pp. 139-156) edited by Gerard J. Byrne and Nancy A. Pachana. Cambridge, United Kingdom: Cambridge University Press.
Dissanayaka, N. N. W. (2019). Progressive Neurological Conditions and Their Impact on Psychological Well-Being in Later Life. Oxford Research Encyclopedia of Psychology. (pp. 1-12) Oxford, United Kingdom: Oxford University Press. doi: 10.1093/acrefore/9780190236557.013.413
Journal Articles
McCloy, Karen, Duce, Brett, Dissanayaka, Nadeeka, Hukins, Craig and Abeyratne, Udantha (2024). Interhemispheric asynchrony of NREM EEG at the beginning and end of sleep describes evening vigilance performance in patients undergoing diagnostic polysomnography. Physiological Measurement, 45 (11), 115002. doi: 10.1088/1361-6579/ad8f8f
Eeles, Eamonn, Tran, David Duc, Ward, Sarah, Teodorczuk, Andrew, Ray, Julian, Miller, Tim and Dissanayaka, Nadeeka N. (2024). Capturing the ghost in the machine: a process for development and validation of measures of phenomenal consciousness in delirium. Age and Ageing, 53 (7) afae144. doi: 10.1093/ageing/afae144
Pourzinal, Dana, Lawson, Rachael A., Yarnall, Alison J., Williams‐Gray, Caroline H., Barker, Roger A., Yang, Jihyun, McMahon, Katie L., O'Sullivan, John D., Byrne, Gerard J. and Dissanayaka, Nadeeka N. (2024). Profiling people with Parkinson's disease at risk of cognitive decline: Insights from PPMI and ICICLE‐PD data. Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring, 16 (3) e12625, e12625. doi: 10.1002/dad2.12625
Pacas Fronza, Gabriela, Mitchell, Leander K., Pachana, Nancy A., Byrne, Gerard J., Liddle, Jacki, Yang, Jihyun, Brooks, Deborah, Au, Tiffany, Pourzinal, Dana, Worthy, Peter, Comans, Tracy, Beattie, Elizabeth, Bennett, Sally, Russell, Trevor and Dissanayaka, Nadeeka N. (2024). Telehealth Cognitive Behavior Therapy to Reduce Anxiety in People Living with Cognitive Impairment: A Randomized Feasibility Pilot Study. Clinical Gerontologist, 1-15. doi: 10.1080/07317115.2024.2336187
Pourzinal, Dana, Yang, Jihyun, McMahon, Katie L., Copland, David A., Mitchell, Leander, O'Sullivan, John D., Byrne, Gerard J. and Dissanayaka, Nadeeka N. (2024). Hippocampal resting‐state connectivity is associated with posterior‐cortical cognitive impairment in Parkinson's disease. Brain and Behavior, 14 (3) e3454, e3454. doi: 10.1002/brb3.3454
Eeles, Eamonn, Tronstad, Oystein, Teodorczuk, Andrew, Flaws, Dylan, Fraser, John F. and Dissanayaka, Nadeeka (2024). Face and content validity of a mobile delirium screening tool adapted for use in the medical setting (eDIS‐MED): Welcome to the machine. Australasian Journal on Ageing, 43 (2), 415-419. doi: 10.1111/ajag.13288
Eeles, Eamonn, Teodorczuk, Andrew and Dissanayaka, Nadeeka (2024). Measuring Phenomenal Consciousness in Delirium: The New Black. Journal of Consciousness Studies, 31 (1), 31-50. doi: 10.53765/20512201.31.1.031
Brimelow, Rachel, Brooks, Deborah, Sriram, Deepa, Burley, Claire, Beattie, Elizabeth, Byrne, Gerard and Dissanayaka, Nadeeka (2024). Prototype development of the Mental Health benchmarking Industry Tool for residential aged Care (MHICare Tool): a protocol paper of a two-stage sequential and mixed methods codesign study. BMJ Open, 14 (2) e078493, 1-7. doi: 10.1136/bmjopen-2023-078493
Roper, Amy, Brooks, Deborah, Mitchell, Leander K., Pachana, Nancy A., Au, Tiffany R., Byrne, Gerard J., O’Sullivan, John D. and Dissanayaka, Nadeeka N. (2024). Feasibility and acceptability of a videoconferencing CBT intervention for anxiety in people with Parkinson’s Disease. Clinical Gerontologist, 1-16. doi: 10.1080/07317115.2024.2306861
Eeles, Eamonn, Tran, David Duc, Boyd, Jemima, Tronstad, Oystein, Teodorczuk, Andrew, Flaws, Dylan, Fraser, John F. and Dissanayaka, Nadeeka (2023). A narrative review of the development and performance characteristics of electronic delirium-screening tools. Australian Critical Care, 37 (4), 651-658. doi: 10.1016/j.aucc.2023.11.006
Dissanayaka, Nadeeka, Pourzinal, Dana, Byrne, Gerard J., Yang, Jihyun, McMahon, Katie L., Pontone, Gregory M., O'Sullivan, John D., Adam, Robert, Littleford, Roberta, Chatfield, Mark, Lehn, Alexander, Mari, Zoltan and Bakker, Arnold (2023). Levetiracetam for the treatment of mild cognitive impairment in Parkinson's disease: a double-blind controlled proof-of-concept trial protocol. Pilot and Feasibility Studies, 9 (1) 189, 189. doi: 10.1186/s40814-023-01406-y
Li, Yanjun, Yang, Jihyun, Evans, Kristine, Wong, Jasmine Bow-Wah, Dissanayaka, Nadeeka N. and Vogel, Adam P. (2023). Optimising verbal fluency analysis in neurological patients with dysarthria: examples from Parkinson’s disease and hereditary ataxia. Journal of Clinical and Experimental Neuropsychology, 45 (5), 452-463. doi: 10.1080/13803395.2023.2249172
Pourzinal, Dana, Yang, Jihyun, Sivakumaran, Kumareshan, McMahon, Katie L., Mitchell, Leander, O'Sullivan, John D., Byrne, Gerard J. and Dissanayaka, Nadeeka N. (2023). Longitudinal follow up of data‐driven cognitive subtypes in Parkinson's disease. Brain and Behavior, 13 (10) e3218, e3218. doi: 10.1002/brb3.3218
Brimelow, Rachel, Beattie, Elizabeth, Byrne, Gerard and Dissanayaka, Nadeeka (2023). Frequency of changed behaviours in residential aged care and common mitigation strategies – A retrospective review of behavioural report logs. Journal of Clinical Nursing, 32 (15-16), 4771-4781. doi: 10.1111/jocn.16531
Eeles, Eamonn, Tronstad, Oystein, Flaws, Dylan, Teodorczuk, Andrew, Worthy, Peter and Dissanayaka, Nadeeka (2023). Adaptation of an electronic delirium screening tool for use in the medical setting based on a human centered design approach. Delirium Communications. doi: 10.56392/001c.77497
Pacas Fronza, Gabriela, Byrne, Gerard, Appadurai, Kana, Pachana, Nancy and Dissanayaka, Nadeeka N. W. (2023). Anxiety symptoms in Australian memory clinic attendees with cognitive impairment: differences between self-, carer-, and clinician-report measures. Clinical Gerontologist, 47 (2), 215-223. doi: 10.1080/07317115.2023.2231940
Dissanayaka, Nadeeka, Brooks, Deborah, Worthy, Peter, Mitchell, Leander, Pachana, Nancy A., Byrne, Gerard, Keramat, Syed Afroz, Comans, Tracy, Bennett, Sally, Liddle, Jacki, Chatfield, Mark D., Broome, Annette, Oram, Joanne, Appadurai, Kanaganayagam, Beattie, Elizabeth, Au, Tiffany, King, Teagan, Welsh, Kimberley and Pietsch, Ann (2023). A single-blind, parallel-group randomised trial of a technology-assisted and remotely delivered cognitive behavioural therapy intervention (Tech-CBT) versus usual care to reduce anxiety in people with mild cognitive impairment and dementia: study protocol for a randomised trial. Trials, 24 (1) 420, 1-17. doi: 10.1186/s13063-023-07381-2
Yang, Jihyun, Pourzinal, Dana, Byrne, Gerard J., McMahon, Katie L., Copland, David A., O’Sullivan, John D., Mitchell, Leander and Dissanayaka, Nadeeka N. (2023). Global assessment, cognitive profile, and characteristics of mild cognitive impairment in Parkinson's disease. International Journal of Geriatric Psychiatry, 38 (6) e5955, e5955. doi: 10.1002/gps.5955
Huo, Yan, Couzner, Leah, Windsor, Tim, Laver, Kate, Dissanayaka, Nadeeka N. and Cations, Monica (2023). Barriers and enablers for the implementation of trauma-informed care in healthcare settings: a systematic review. Implementation Science Communications, 4 (1) 49, 1-20. doi: 10.1186/s43058-023-00428-0
Dawson, Andrew, Ortelli, Paola, Carter, Adrian, Ferrazzoli, Davide, Dissanayaka, Nadeeka N., Evans, Andrew, Chye, Yann, Lorenzetti, Valentina, Frazzitta, Giuseppe and Yücel, Murat (2023). Motivational and myopic mechanisms underlying dopamine medication-induced impulsive-compulsive behaviors in Parkinson's disease. Frontiers in Behavioral Neuroscience, 16 949406, 1-11. doi: 10.3389/fnbeh.2022.949406
Pacas Fronza, Gabriela, Liddle, Jacki, Mitchell, Leander K., Byrne, Gerard J., Pachana, Nancy A. and Dissanayaka, Nadeeka N. (2022). Phenomenology of anxiety in people living with mild to moderate dementia: a conceptual meta-ethnographic review. Dementia, 21 (8), 2677-2699. doi: 10.1177/14713012221123706
DeBortoli, Emily, Soyer, H. Peter, Milne, David, Dissanayaka, Nadeeka, Gartner, Coral, Holt, Jeanette, Rae, Kym, Robison, Laura, Wallingford, Courtney K. and McInerney-Leo, Aideen M. (2022). Measurable outcomes of consumer engagement in health research: A scoping review. Frontiers in Public Health, 10 994547, 1-10. doi: 10.3389/fpubh.2022.994547
Eeles, Eamonn, Worthy, Peter, Teodorczuk, Andrew, Kaur, Paven and Dissanayaka, Nadeeka (2022). Pilot testing of a new electronic diagnostic support tool (AiD-DST) designed to identify the cause(s) of delirium. Delirium Communications. doi: 10.56392/001c.37365
Pourzinal, Dana, Yang, Jihyun, Lawson, Rachael A., McMahon, Katie L., Byrne, Gerard J. and Dissanayaka, Nadeeka N. (2022). Systematic review of data‐driven cognitive subtypes in Parkinson’s disease. European Journal of Neurology, 29 (11), 3395-3417. doi: 10.1111/ene.15481
Yang, Jihyun, McMahon, Katie L., Copland, David A., Pourzinal, Dana, Byrne, Gerard J., Angwin, Anthony J., O’Sullivan, John D. and Dissanayaka, Nadeeka N (2022). Semantic fluency deficits and associated brain activity in Parkinson’s disease with mild cognitive impairment. Brain Imaging and Behavior, 16 (6), 1-12. doi: 10.1007/s11682-022-00698-7
Brimelow, Rachel E., Amalathas, Aneline, Beattie, Elizabeth, Byrne, Gerard and Dissanayaka, Nadeeka N. (2022). The use of balanced scorecards in mental health services: an integrative review and thematic analysis. Journal of Behavioral Health Services and Research, 50 (1), 1-19. doi: 10.1007/s11414-022-09806-3
Haroon, Muhammad, Dissanayaka, Nadeeka N., Angwin, Anthony J. and Comans, Tracy (2022). How effective are pictures in eliciting information from people living with dementia? A systematic review. Clinical Gerontologist, 46 (4), 1-14. doi: 10.1080/07317115.2022.2085643
Roper, Amy, Pacas Fronza, Gabriela, Dobkin, Roseanne D., Beaudreau, Sherry A., Mitchell, Leander K., Pachana, Nancy A., Thangavelu, Karthick and Dissanayaka, Nadeeka N. (2022). A systematic review of psychotherapy approaches for anxiety in Parkinson’s Disease. Clinical Gerontologist, 47 (2), 1-27. doi: 10.1080/07317115.2022.2074814
Interian, Alejandro, Miller, Rachael B., Hill, Lauren M. St., Latorre, Miriam, King, Arlene R., Rodriguez, Kailyn M., Mann, Sarah L., Kashan, Rachel S., Dissanayaka, Nadeeka N. and Dobkin, Roseanne D. (2022). A pilot study of telehealth mindfulness-based cognitive therapy for depression in Parkinson’s disease. Journal of Geriatric Psychiatry and Neurology, 36 (2), 8919887221103579-154. doi: 10.1177/08919887221103579
Yang, Jihyun, Pourzinal, Dana, Rheinberger, Toby, Copland, David A., McMahon, Katie L., Byrne, Gerard J. and Dissanayaka, Nadeeka N. (2022). The Attention Network Test in Parkinson and Lewy body disease: a systematic review. Cognitive and Behavioral Neurology, 35 (1), 1-13. doi: 10.1097/WNN.0000000000000292
Zhang, Angeline, Mitchell, Leander K., Pachana, Nancy A., Yang, Ji Hyun J., Au, Tiffany R., Byrne, Gerard J., O’Sullivan, John D. and Dissanayaka, Nadeeka N. (2022). Caring for a loved one with Parkinson’s disease: the role of coping styles and relationship quality. International Psychogeriatrics, 34 (7), 1-8. doi: 10.1017/s1041610221002866
Dissanayaka, Nadeeka N., Forbes, Elana J., Perepezko, Kate, Leentjens, Albert F.G., Dobkin, Roseanne D., Dujardin, Kathy and Pontone, Gregory M. (2022). Phenomenology of atypical anxiety disorders in Parkinson's Disease: a systematic review. The American Journal of Geriatric Psychiatry, 30 (9), 1026-1050. doi: 10.1016/j.jagp.2022.02.004
Perepezko, Kate, Naaz, Farah, Wagandt, Carrie, Dissanayaka, Nadeeka N., Mari, Zoltan, Nanavati, Julie, Bakker, Arnold and Pontone, Gregory M. (2021). Anxiety in Parkinson's Disease: a systematic review of neuroimaging studies. The Journal of Neuropsychiatry and Clinical Neurosciences, 33 (4), 280-294. doi: 10.1176/appi.neuropsych.20110272
Dissanayaka, Nadeeka N., Forbes, Elana J., Yang, Ji Hyun J., Pourzinal, Dana, O’Sullivan, John D., Mitchell, Leander K., Copland, David A., McMahon, Katie L. and Byrne, Gerard J. (2021). Anxiety disorders are associated with verbal memory impairment in patients with Parkinson’s disease without dementia. Journal of Neurology, 269 (3), 1600-1609. doi: 10.1007/s00415-021-10736-x
Brimelow, Rachel E., Thangavelu, Karthick, Beattie, Romana and Dissanayaka, Nadeeka N. (2021). Feasibility of group-based multiple virtual reality sessions to reduce behavioral and psychological symptoms in persons living in residential aged care. Journal of the American Medical Directors Association, 23 (5), 831-837.e2. doi: 10.1016/j.jamda.2021.07.026
Pourzinal, Dana, Yang, Ji Hyun J., Bakker, Arnold, McMahon, Katie L., Byrne, Gerard J., Pontone, Gregory M., Mari, Zoltan and Dissanayaka, Nadeeka N. (2021). Hippocampal correlates of episodic memory in Parkinson's disease: A systematic review of magnetic resonance imaging studies. Journal of Neuroscience Research, 99 (9) jnr.24863, 2097-2116. doi: 10.1002/jnr.24863
Forbes, Elana J., Byrne, Gerard J., O'Sullivan, John D., Yang, Jihyun, Marsh, Rodney and Dissanayaka, Nadeeka N. (2021). Defining atypical anxiety in Parkinson's disease. Movement Disorders Clinical Practice, 8 (4), 571-581. doi: 10.1002/mdc3.13193
Yang, Jihyun, Pourzinal, Dana, McMahon, Katie L., Byrne, Gerard J., Copland, David A., O’Sullivan, John D. and Dissanayaka, Nadeeka N. (2021). Neural correlates of attentional deficits in Parkinson’s disease patients with mild cognitive impairment. Parkinsonism and Related Disorders, 85, 17-22. doi: 10.1016/j.parkreldis.2021.02.009
Eeles, Eamonn, Huang, Lisa, Dakin, Lucy, Ling, Carolina, Dunn, Erin, Fraser, Jon and Dissanayaka, Nadeeka N. (2020). Development and validation of an aetiology in delirium diagnostic support tool. Age and Ageing, 50 (4), 1402-1405. doi: 10.1093/ageing/afaa269
Iyer, Kartik K., Au, Tiffany R., Angwin, Anthony J., Copland, David A. and Dissanayaka, Nadeeka N. (2020). Theta and gamma connectivity is linked with affective and cognitive symptoms in Parkinson's disease. Journal of Affective Disorders, 277, 875-884. doi: 10.1016/j.jad.2020.08.086
Pontone, Gregory M., Dissanayaka, Nadeeka, Apostolova, Liana, Brown, Richard G., Dobkin, Roseanne, Dujardin, Kathy, Friedman, Joseph H., Leentjens, Albert F. G., Lenze, Eric J., Marsh, Laura, Mari, Lynda, Monchi, Oury, Richard, Irene H., Schrag, Anette, Strafella, Antonio P., Vernaleo, Beth, Weintraub, Daniel and Mari, Zoltan (2020). Author Correction: Report from a multidisciplinary meeting on anxiety as a non-motor manifestation of Parkinson’s disease (npj Parkinson's Disease, (2019), 5, 1, (30), 10.1038/s41531-019-0102-8). npj Parkinson's Disease, 6 (1) 10, 10. doi: 10.1038/s41531-020-0114-4
Eeles, Eamonn, Ward, S., Teodorczuk, A., Dissanayaka, N. and Burianová, H. (2020). Consciousness and the rabbit holes of delirium. Medical Hypotheses, 144 110260, 1-6. doi: 10.1016/j.mehy.2020.110260
Wade, Rachael, Pachana, Nancy A. and Dissanayaka, Nadeeka (2020). Factors related to sleep disturbances for informal carers of individuals with PD and dyadic relationship: a rural perspective. Journal of Geriatric Psychiatry and Neurology, 34 (5) ARTN 0891988720944250, 089198872094425-396. doi: 10.1177/0891988720944250
Pourzinal, Dana, Yang, Ji Hyun J., Byrne, Gerard J., O’Sullivan, John D., Mitchell, Leander, McMahon, Katie L., Copland, David A. and Dissanayaka, Nadeeka N. (2020). Identifying subtypes of mild cognitive impairment in Parkinson’s disease using cluster analysis. Journal of Neurology, 267 (11), 3213-3222. doi: 10.1007/s00415-020-09977-z
Mosley, Philip E., Robinson, Katherine, Dissanayaka, Nadeeka N., Coyne, Terry, Silburn, Peter, Marsh, Rodney and Pye, Deidre (2020). A pilot trial of cognitive behavioral therapy for caregivers after deep brain stimulation for Parkinson's Disease. Journal of Geriatric Psychiatry and Neurology, 34 (5), 891988720924720-465. doi: 10.1177/0891988720924720
Fronza, Gabriela Pacas and Dissanayaka, Nadeeka N. (2020). Time is brain in dementia. International Psychogeriatrics, 32 (5), 551-553. doi: 10.1017/s1041610220000071
Thangavelu, Karthick, Hayward, Joshua A., Pachana, Nancy A., Byrne, Gerard J., Mitchell, Leander K., Wallis, Guy M., Au, Tiffany R. and Dissanayaka, Nadeeka N. (2020). Designing virtual reality assisted psychotherapy for anxiety in older adults living with Parkinson's disease: integrating literature for scoping. Clinical Gerontologist, 45 (2), 1-33. doi: 10.1080/07317115.2019.1709597
Thangavelu, Karthick, Talk, Andrew C., Clark, Gavin I. and Dissanayaka, Nadeeka N.W. (2020). Psychosocial factors and perceived tremor disability in essential tremor. Neuroscience and Biobehavioral Reviews, 108, 246-253. doi: 10.1016/j.neubiorev.2019.10.021
Brimelow, Rachel E., Dawe, Bronwyn and Dissanayaka, Nadeeka (2019). Preliminary Research: Virtual Reality in Residential Aged Care to reduce apathy and improve mood. Cyberpsychology, Behavior, and Social Networking, 23 (3), 165-170. doi: 10.1089/cyber.2019.0286
Pontone, Gregory M., Dissanayaka, Nadeeka, Apostolova, Liana, Brown, Richard G., Dobkin, Roseanne, Dujardin, Kathy, Friedman, Joseph H., Leentjens, Albert F. G., Lenze, Eric J., Marsh, Laura, Mari, Lynda, Monchi, Oury, Richard, Irene H., Schrag, Anette, Strafella, Antonio P., Vernaleo, Beth, Weintraub, Daniel and Mari, Zoltan (2019). Report from a multidisciplinary meeting on anxiety as a non-motor manifestation of Parkinson's disease. Npj Parkinsons Disease, 5 (1) 30, 30. doi: 10.1038/s41531-019-0102-8
Wade, Rachael, Pachana, Nancy A., Mellick, George and Dissanayaka, Nadeeka (2019). Factors related to sleep disturbances for individuals with Parkinson's disease: A regional perspective. International Psychogeriatrics, 32 (7), 1-12. doi: 10.1017/S1041610219001212
Nikles, J., O'Sullivan, J. D., Mitchell, G. K., Smith, S. S., McGree, J. M., Senior, H., Dissanyaka, N. and Ritchie, A. (2019). Protocol: using N-of-1 tests to identify responders to melatonin for sleep disturbance in Parkinson's disease. Contemporary Clinical Trials Communications, 15 100397, 100397. doi: 10.1016/j.conctc.2019.100397
Walker, Nicole, Dissanayaka, Nadeeka N., Scott, Theresa, Manchha, Asmita and Pachana, Nancy A. (2019). Shaping attitudes: the association between prior contact with residential aged care and resistance to enter residential aged care. International Journal of Older People Nursing, 14 (4) e12268, e12268. doi: 10.1111/opn.12268
Marsh, Rodney, Cole, Michael H., Dissanayaka, Nadeeka N. W., Au, Tiffany R., Clewett, Sandra, O’Sullivan, John D. and Silburn, Peter A. (2019). The CuePed Trial: how does environmental complexity impact cue effectiveness? A comparison of tonic and phasic visual cueing in simple and complex environments in a Parkinson’s Disease population with freezing of gait. Parkinson's Disease, 2019 2478980, 1-6. doi: 10.1155/2019/2478980
Iyer, Kartik K., Au, Tiffany R., Angwin, Anthony J., Copland, David A. and Dissanayaka, Nadeeka N.W. (2019). Source activity during emotion processing and its relationship to cognitive impairment in Parkinson's disease. Journal of Affective Disorders, 253, 327-335. doi: 10.1016/j.jad.2019.05.012
Dissanayaka, Nadeeka N.W., Au, Tiffany R., Angwin, Anthony J., Iyer, Kartik K., O'Sullivan, John D., Byrne, Gerard J., Silburn, Peter A., Marsh, Rodney, Mellick, George D. and Copland, David A. (2019). Depression symptomatology correlates with event-related potentials in Parkinson's disease: an affective priming study. Journal of Affective Disorders, 245, 897-904. doi: 10.1016/j.jad.2018.11.094
Ramdave, S., Dawson, A., Carter, A. and Dissanayaka, N. N. W. (2019). Unmasking neurobiological commonalities between addictive disorders and impulse control disorders in Parkinson’s disease. Brain Imaging and Behavior, In press (6), 2785-2798. doi: 10.1007/s11682-019-00041-7
Pontone, Gregory M., Dissanayaka, Nadeeka, Dobkin, Roseanne D., Mari, Lynda, Marsh, Laura, Vernaleo, Beth A., Weintraub, Daniel and Mari, Zoltan (2019). Integration and extension of specialty mental healthcare services to community practice in Parkinson disease. American Journal of Geriatric Psychiatry, 27 (7), 712-719. doi: 10.1016/j.jagp.2019.03.005
Moreno, Alexander, Wall, Kylie Janine, Thangavelu, Karthick, Craven, Lucas, Ward, Emma and Dissanayaka, Nadeeka N. (2019). A systematic review of the use of virtual reality and its effects on cognition in individuals with neurocognitive disorders. Alzheimer's and Dementia: Translational Research and Clinical Interventions, 5 (C), 834-850. doi: 10.1016/j.trci.2019.09.016
Swalwell, Caitlin, Pachana, Nancy A. and Dissanayaka, Nadeeka N. (2018). Remote delivery of psychological interventions for Parkinson's disease. International Psychogeriatrics, 30 (12), 1-13. doi: 10.1017/S1041610218000340
Brimelow, R. E., Wollin, J. A., Byrne, G. J. and Dissanayaka, N. N. (2018). Prescribing of psychotropic drugs and indicators for use in residential aged care and residents with dementia. International Psychogeriatrics, 31 (06), 1-11. doi: 10.1017/s1041610218001229
Wade, Rachael, Pachana, Nancy A. and Dissanayaka, Nadeeka (2018). Management of sleep disturbances in Parkinson’s disease patients, carers and the patient and carer dyadic relationship: a scoping review. Clinical Gerontologist, 43 (5), 1-9. doi: 10.1080/07317115.2018.1539424
Lamb, Timothy, Pachana, Nancy A. and Dissanayaka, Nadeeka (2018). Update of recent literature on remotely delivered psychotherapy interventions for anxiety and depression. Telemedicine and E-Health, 25 (8) tmj.2018.0079, 671-677. doi: 10.1089/tmj.2018.0079
Dawson, Andrew, Michael, Jordie, Dilkes-Frayne, Ella, Hall, Wayne, Dissanayaka, Nadeeka N. and Carter, Adrian (2018). Capacity, control and responsibility in Parkinson's disease patients with impulse control disorders: views of neurological and psychiatric experts. International Journal of Law and Psychiatry, 65 101343, 101343. doi: 10.1016/j.ijlp.2018.04.003
Dawson, Andrew, Dissanayaka, Nadeeka N., Evans, Andrew, Verdejo-Garcia, Antonio, Chong, Trevor T J, Frazzitta, Giuseppe, Ferrazzoli, Davide, Ortelli, Paola, Yücel, Murat and Carter, Adrian (2018). Neurocognitive correlates of medication-induced addictive behaviours in Parkinson's disease: A systematic review. European Neuropsychopharmacology, 28 (5), 561-578. doi: 10.1016/j.euroneuro.2018.03.012
Walker, Nicole, Scott, Theresa, Dissanayaka, Nadeeka N., Barlow, Fiona Kate and Pachana, Nancy A. (2018). Persisting use of physical restraint: knowledge translation vs. attitudes. International Journal of Clinical Neurosciences and Mental Health, 5, 1-4. doi: 10.21035/ijcnmh.2018.5.1
Kua, Zhong Jie, Pachana, Nancy A., Byrne, Gerard J., O’Sullivan, John D., Rodney, Marsh, Torbey, Elizabeth, Silburn, Peter A., Mellick, George D. and Dissanayaka, Nadeeka N. W. (2018). How well do caregivers detect depression and anxiety in patients with Parkinson disease?. Journal of Geriatric Psychiatry and Neurology, 31 (5), 089198871878864-236. doi: 10.1177/0891988718788641
Mosley, Philip E., Moodie, Rebecca and Dissanayaka, Nadeeka (2017). Caregiver burden in Parkinson disease: a critical review of recent literature. Journal of Geriatric Psychiatry and Neurology, 30 (5), 235-252. doi: 10.1177/0891988717720302
Angwin, Anthony J., Dissanayaka, Nadeeka N. W., McMahon, Katie L., Silburn, Peter A. and Copland, David A. (2017). Lexical ambiguity resolution during sentence processing in Parkinson's disease: an event-related potential study. PLoS One, 12 (5) e0176281, e0176281. doi: 10.1371/journal.pone.0176281
Dissanayaka, Nadeeka N. W., Au, Tiffany R., Angwin, Anthony J., O’Sullivan, John D., Byrne, Gerard J., Silburn, Peter A., Rodney Marsh, Mellick, George D. and Copland, David A. (2017). N400 and emotional word processing in Parkinson's disease. Neuropsychology, 31 (6), 585-595. doi: 10.1037/neu0000333
Dissanayaka, Nadeeka N. W., Lawson, Rachael A., Yarnall, Alison J., Duncan, Gordon W., Breen, David P., Khoo, Tien K., Barker, Roger A. and Burn, David J. (2017). Anxiety is associated with cognitive impairment in newly-diagnosed Parkinson's disease. Parkinsonism and Related Disorders, 36, 63-68. doi: 10.1016/j.parkreldis.2017.01.001
Angwin, Anthony J., Dissanayaka, Nadeeka N. W., Moorcroft, Alison, McMahon, Katie L., Silburn, Peter A. and Copland, David A. (2017). A neurophysiological study of semantic processing in Parkinson’s disease. Journal of the International Neuropsychological Society, 23 (1), 78-89. doi: 10.1017/S1355617716000953
Dissanayaka, Nadeeka N. W., Pye, Deidre, Mitchell, Leander K., Byrne, Gerard J., O'Sullivan, John D., Marsh, Rodney and Pachana, Nancy A. (2016). Cognitive behavior therapy for anxiety in Parkinson’s disease: outcomes for patients and caregivers. Clinical Gerontologist, 40 (3), 159-171. doi: 10.1080/07317115.2016.1240131
Zhang, Susan, Dissanayaka, Nadeeka N., Dawson, Andrew, O’Sullivan, John D., Mosley, Philip, Hall, Wayne and Carter, Adrian (2016). Management of impulse control disorders in Parkinson's disease. International Psychogeriatrics, 28 (10), 1597-1614. doi: 10.1017/S104161021600096X
Knight, Bob, Dissanayaka N and Pachana, Nancy A. (2016). Adapting psychotherapy for older patients with Parkinson's disease. International Psychogeriatrics, 28 (10), 1631-1636. doi: 10.1017/S1041610216000569
Dissanayaka, Nadeeka N. W., O'Sullivan, John D., Pachana, Nancy A., Marsh, Rodney, Silburn, Peter A., White, Elizabeth X., Torbey, Elizabeth, Mellick, George D., Copland, David A. and Byrne, Gerard J. (2016). Disease-specific anxiety symptomatology in Parkinson's disease. International Psychogeriatrics, 28 (7), 1-11. doi: 10.1017/S1041610215002410
Dissanayaka, Nadeeka N. W., Idu Jion, Farah, Pachana, Nancy A., O'Sullivan, John D., Marsh, Rodney, Byrne, Gerard J. and Harnett, Paul (2016). Mindfulness for motor and nonmotor dysfunctions in Parkinson’s Disease. Parkinson’s Disease, 2016 7109052, 7109052.1-7109052.13. doi: 10.1155/2016/7109052
Broen, Martijn P. G., Narayen, Nadia E., Kuijf, Mark L., Dissanayaka, Nadeeka N. W. and Leentjens, Albert F. G. (2016). Prevalence of anxiety in Parkinson's disease: a systematic review and meta-analysis.. Movement Disorders, 31 (8), 1125-1133. doi: 10.1002/mds.26643
Dissanayaka, Nadeeka N. W., Torbey, Elizabeth and Pachana, Nancy A. (2015). Anxiety rating scales in Parkinson's disease: a critical review updating recent literature. International Psychogeriatrics, 27 (11), 1777-1784. doi: 10.1017/S1041610215000885
Torbey, Elizabeth, Pachana, Nancy A. and Dissanayaka, Nadeeka N. W. (2015). Depression rating scales in Parkinson's disease: A critical review updating recent literature. Journal of Affective Disorders, 184 (Art No.: 7495) 7495, 216-224. doi: 10.1016/j.jad.2015.05.059
Dissanayaka, Nadeeka N. W., White, Elizabeth, O'Sullivan, John D., Marsh, Rodney, Silburn, Peter A., Copland, David A., Mellick, George D. and Byrne, Gerard J. (2015). Characteristics and Treatment of Anxiety Disorders in Parkinson's Disease. Movement Disorders Clinical Practice, 2 (2), 155-162. doi: 10.1002/mdc3.12157
Dissanayaka, Nadeeka N. N. W., White, Elizabeth, O'Sullivan, John D., Marsh, Rodney, Pachana, Nancy A. and Byrne, Gerard J. (2014). The clinical spectrum of anxiety in Parkinson's disease. Movement Disorders, 29 (8), 967-975. doi: 10.1002/mds.25937
Pachana, Nancy A., Egan, Sarah J., Laidlaw, Ken, Dissanayaka, Nadeeka, Byrne, Gerard J., Brockman, Simone, Marsh, Rodney and Starkstein, Sergio (2013). Clinical issues in the treatment of anxiety and depression in older adults with Parkinson's disease. Movement Disorders, 28 (14), 1930-1934. doi: 10.1002/mds.25689
White, Nicole, Johnson, Helen, Silburn, Peter, Mellick, George, Dissanayaka, Nadeeka and Mengersen, Kerrie (2012). Probabilistic subgroup identification using Bayesian finite mixture modelling: a case study in Parkinson's disease phenotype identification. Statistical Methods in Medical Research, 21 (6), 563-583. doi: 10.1177/0962280210391012
Sharma, Manu, Ioannidis, John P. A., Aasly, Jan O., Annesi, Grazia, Brice, Alexis, Van Broeckhoven, Christine, Bertram, Lars, Bozi, Maria, Crosiers, David, Clarke, Carl, Facheris, Maurizio, Farrer, Matthew, Garraux, Gaetan, Gispert, Suzana, Auburger, Georg, Vilarino-Gueell, Carles, Hadjigeorgiou, Georgios M., Hicks, Andrew A., Hattori, Nobutaka, Jeon, Beom, Lesage, Suzanne, Lill, Christina M., Lin, Juei-Jueng, Lynch, Timothy, Lichtner, Peter, Lang, Anthony E., Mok, Vincent, Jasinska-Myga, Barbara, Mellick, George D. ... Dissanayaka, N. N. (2012). Large-scale replication and heterogeneity in Parkinson disease genetic loci. Neurology, 79 (7), 659-667. doi: 10.1212/WNL.0b013e318264e353
Matheson, Sally F., Byrne, Gerard J., Dissanayaka, Nadeeka N. W., Pachana, Nancy A., Mellick, George D., O'Sullivan, John D., Silburn, Peter A., Sellbach, Anna and Marsh, Rodney (2012). Validity and reliability of the Geriatric Anxiety Inventory in Parkinson's disease. Australasian Journal on Ageing, 31 (1), 13-16. doi: 10.1111/j.1741-6612.2010.00487.x
Ambermoon, Polly, Carter, Adrian, Hall, Wayne, Dissanayaka, Nadeeka and O'Sullivan, John (2012). Compulsive use of dopamine replacement therapy: a model for stimulant drug addiction?. Addiction, 107 (2), 241-247. doi: 10.1111/j.1360-0443.2011.03511.x
Carter, Adrian, Hall, Wayne, Ambermoon, Polly, Dissanayaka, Nadeeka and O'Sullivan, John (2012). Stimulating Debate in the Field of Addiction. Addiction, 107 (2), 253-253. doi: 10.1111/j.1360-0443.2011.03717.x
Dissanayaka, Nadeeka N. W., Sellbach, Anna, Silburn, Peter A., O'Sullivan, John D., Marsh, Rodney and Mellick, George D. (2011). Factors associated with depression in Parkinson's disease. Journal of Affective Disorders, 132 (1-2), 82-88. doi: 10.1016/j.jad.2011.01.021
Ambermoon, Polly, Carter, Adrian, Hall, Wayne D., Dissanayaka, Nadeeka N.W. and O'Sullivan, John D. (2011). Impulse control disorders in patients with Parkinson's disease receiving dopamine replacement therapy: Evidence and implications for the addictions field. Addiction, 106 (2), 283-293. doi: 10.1111/j.1360-0443.2010.03218.x
Dissanayaka, Nadeeka N. W., Sellbach, Anna, Matheson, Sally, O'Sullivan, John D., Silburn, Peter A., Byrne, Gerard J., Marsh, Rodney and Mellick, George D. (2010). Anxiety Disorders in Parkinson's Disease: Prevalence and Risk Factors. Movement Disorders, 25 (7), 838-845. doi: 10.1002/mds.22833
Dissanayaka, Nadeeka N. W., Sellebach, Annabelle N., Matheson, Sally, Marsh, Rodney, O'Sullivan, John D., Silburn, Peter A., Byrne, Gerard J. and Mellick, George D. (2009). Validity of a self-rated method to identify a lifetime history of depression in Parkinson's disease. Movement Disorders, 24 (16), 2435-2438. doi: 10.1002/mds.22819
Dissanayaka, Nadeeka N. W., Silburn, Peter A., O'Sullivan, John D. and Mellick, George D. (2009). Serotonin and dopamine transporter genes do not influence depression in Parkinson's disease. Movement Disorders, 24 (1), 111-115. doi: 10.1002/mds.22134
Dissanayaka, N. N. W., Sellbach, A., Matheson, S., Marsh, R., Silburn, P. A., O'Sullivan, J. D., Byrne, G. J. and Mellick, G. D. (2007). Validity of Hamilton Depression Inventory in Parkinson's disease. Movement Disorders, 22 (3), 399-403. doi: 10.1002/mds.21309
Conference Papers
Welsh, K., Brooks, D., Mitchell, L. and Dissanayaka, N. (2024). Barriers and facilitators of cognitive behavioural therapy interventions for people living with mild cognitive impairment or dementia: a systematic review. Australian Dementia Research Forum 2024, Gold Coast, QLD Australia, 3-5 June 2024.
Pourzinal, D., Sivakumaran, K., Yang, J., Bailey, D.X., Mitchell, L.K., Brooks, D. and Dissanayaka, N. (2024). Neuropsychological predictors of cognitive decline in Parkinson's disease: A systematic review (PDCogniCare). Australian Dementia Research Forum 2024, Gold Coast, QLD Australia, 3-5 June 2024.
Au, T., Bailey, D., Beattie, E., Brooks, D., Broome, A., Byrne, G., Chatfield, M., Dissanayaka, N., Keramat, S.A., Lehn, A., Liddle, J., Marsh, R., Mitchell, L., Naismith, S., Nestor, S., O’Sullivan, J., Pachana, N., Pourzinal, D., Robertson, S., Shrubsole, K., Sivakumaran, K., Spooner, D., Tinson, H., Verreynne, M.L., Worthy, P. and Yang, J. (2024). Enhancing utility of neuropsychological evaluation for earlier and effective diagnosis of dementia in Parkinson’s disease: PDCogniCare project. Australian Dementia Research Forum 2024, Gold Coast, QLD Australia, 3-5 June 2024.
Au, T., Beattie, E., Bennett, S., Brooks, D., Broome, A., Byrne, G., Chatfield, M., Comans, T., Dissanayaka, N., Guy, R., Keramat, S.A., King, T., Lehn, A., Liddle, J., Mitchell, L., Oram, J., O’Sullivan, J., Pacas Fronza, G., Pachana, N., Pietsch, A., Tan, J., Welsh, K. and Worthy, P. (2024). Technology assisted and remotely delivered anxiety psychotherapy intervention for people living with dementia and their care partners: Tech-CBT project. Australian Dementia Research Forum 2024, Gold Coast, QLD Australia, 3-5 June 2024.
Brooks, D., Worthy, P., Shrubsole, K. and Dissanayaka, N. (2024). Barriers and enablers to cognitive assessment in Parkinson’s disease: perspectives of clinicians and people living with PD. Australian Dementia Research Forum 2024, Gold Coast, QLD Australia, 3-5 June 2024.
Yang, J., Pourzinal, D. and Dissanayaka, N. (2024). Verbal fluency correlates with medial temporal lobe volumes in Parkinson’s disease with memory impairment. Australian Dementia Research Forum 2024, Gold Coast, QLD Australia, 3-5 June 2024.
Brooks, D., Burley, C., Sriram, D., Brimelow, R. and Dissanayaka, N. (2024). “It’s really important that we do have a voice.” Residents’ perspectives on the factors that promote and support mental health within aged care homes. Australian Dementia Research Forum 2024, Gold Coast, QLD Australia, 3-5 June 2024.
Pacas Fronza, G., Mitchell, L., Pachana, N., Byrne, G., Liddle, J. and Dissanayaka, N. N. (2023). Reduction of anxiety symptoms in people living with cognitive impairment after CBT-based telehealth psychotherapy: results from a pilot trial. Australian Dementia Research Forum 2023, Gold Coast, QLD Australia, 29 - 31 May 2023.
Welsh, K., Brooks, D., Mitchell, L. and Dissanayaka, N. (2023). Barriers and facilitators to the delivery of CBT interventions to people with mild cognitive impairment and dementia: technology assisted and non-technology assisted approaches. Australian Dementia Research Forum 2023, Gold Coast, QLD Australia, 29-31 May 2023.
King, T., Brooks, D., Worthy, P., Bennett, S., Liddle, J., Mitchell, L. and Dissanayaka, N. (2023). Development of a digital training package to upskill psychologists in the delivery of a technology assisted CBT program (Tech-CBT) to target anxiety in people with mild cognitive impairment and dementia. Australian Dementia Research Forum 2023, Gold Coast, QLD Australia, 29-31 May 2023.
Worthy, P., Brooks, D., Pacas Fronza, G., Liddle, J., Mitchell, L., Pachana, N., Frost, D., Robertson, S. and Dissanayaka, N. (2023). Co-designing better conversations with smart assistants to support self-managed therapy practice. Australian Dementia Research Forum 2023, Gold Coast, QLD Australia, 29-31 May 2023.
Welsh, K., Brooks, D., Mitchell, L. and Dissanayaka, N. (2023). Improving implementation: protocol for a mixed-methods process evaluation of a technology-assisted CBT program for anxiety in people living with mild cognitive impairment and dementia. Australian Dementia Research Forum 2023, Gold Coast, QLD Australia, 29-31 May 2023.
Dissanayaka, N.N., Pacas Fronza, G., Mitchell, L., Pachana, N., Worthy, P., Byrne, G., Keramat, S.A., Comans, T., Bennett, S., Liddle, J., Chatfield, M., Broome, A., Oram, J., Appadurai, K., Beattie, E., Welsh, K., King, T., Brimelow, R., Burley, C., Pietsch, A., Brooks, D. and Au, T. (2023). New technology assisted interventions to combat anxiety and depression in dementia. Australian Dementia Research Forum 2023, Gold Coast, QLD Australia, 29-31 May 2023.
Eeles, Eamonn, Teodorczuk, A. and Dissanayaka, N. (2023). Real-world implementation of an electronic diagnostic support tool (AID-DST) designed to identify the cause(s) of delirium. A study protocol and work in progress. European Delirium Association Conference 2023, Birmingham, United Kingdom, 6 - 8 September 2023.
Eeles, E., Teodorczuk, A. and Dissanayaka, N. (2023). Adaptation of an electronic delirium screening tool (EDIS-MED) for use in the medical setting using a user centered design approach. European Delirium Association Conference 2023, Birmingham, United Kingdom, 6-8 September 2023.
Eeles, E., Teodorczuk, A. and Dissanayaka, N. (2023). Measuring phenomenal consciousness in the diagnosis of delirium. A narrative review of candidate tools. European Delirium Association Conference 2023, Birmingham, United Kingdom, 6-8 September 2023.
Eeles, E., Dissanayaka, N. and Teodorczuk, A. (2023). A narrative review of the development and performance characteristics of electronic delirium screening tools. European Delirium Association Conference 2023, Birmingham, United Kingdom, 6-8 September 2023.
Eeles, E., Teodorczuk, A. and Dissanayaka, N. (2023). Brain dynamics during delirium. European Delirium Association Conference 2023, Birmingham, United Kingdom, 6-8 September 2023.
Eeles, E., Teodorczuk, A. and Dissanayaka, N. (2023). A framework for the measurement of phenomenal consciousness in delirium. The Australian and New Zealand Society for Geriatric Medicine Annual Scientific Meeting 2023, Brisbane, QLD Australia, 10-12 May 2023.
Eeles, E., Teodorczuk, A. and Dissanayaka, N. (2023). Real-world implementation of an electronic diagnostic support tool (AiD-DST) designed to identify the cause(s) of delirium. A study protocol and work in progress. Australian Dementia Research Forum 2023, Gold Coast, QLD Australia, 29-31 May 2023.
Brooks, D., Sriram, D., Brimelow, R., Burley, C. and Dissanayaka, N. (2023). Towards better mental health of people living with dementia in residential aged care: Co-design of the Mental Health Care Indicator (MHICare) tool. Australian Dementia Research Forum 2023, Gold Coast, QLD Australia, 29-31 May 2023.
Pourzinal, D., Bakker, A., Byrne, G.J., McMahon, K., O’Sullivan, J.D., Adam, R., Lehn, A., Copland, D., Yang, J.H., Au, T., Littleford, R., Chatfield, M., Pontone, G., Mari, Z. and Dissanayaka, N. (2022). Update on TRIP: Therapy to reduce dementia risk in Parkinson’s disease proof of concept trial. UQ Centre for Clinical Research HDR Symposium, Brisbane, QLD Australia, 24 November 2022.
Brooks, D., Page, N., Pietsch, A., Au, T., Pacas Fronza, G., Pournizal, D., Worthy, P., Yang, J. and Dissanayaka, N. (2022). Involving people impacted by dementia in research: Methods and insights from a psychotherapeutic intervention study. Australian Dementia Research Forum 2022, Online, 30-31 May 2022.
Worthy, P., Brooks, D., Au, T., Pacas Fronza, G., Liddle, J., Bennett, S. and Dissanayaka, N. (2022). Designing a technology platform to support remote delivery of psychotherapy for people with cognitive impairment: A contextual inquiry. Australian Dementia Research Forum 2022, Online, 30-31 May 2022.
Pourzinal, D., Yang, J., Byrne, G.J., O’Sullivan, J.D., McMahon, K. and Dissanayaka, N. (2022). Functional magnetic resonance imaging of the hippocampus as biomarker for cognitive decline in Parkinson’s disease. UQ Faculty of Medicine HDR Student Symposium, Brisbane, QLD Australia, 7 October 2022.
Yang, J., Byrne, G., McMahon, K., Copland, D., O’Sullivan, J. and Dissanayaka, N. (2022). Semantic fluency and its associated brain activity in Parkinson’s disease with mild cognitive impairment. UQ Neuroscience Symposium, Brisbane, QLD Australia, 26-27 September 2022.
Pourzinal, D., Bakker, A., Byrne, G.J., McMahon, K., O’Sullivan, J.D., Adam, R., Lehn, A., Copland, D., Yang, J.H., Au, T., Littleford, R., Chatfield, M., Pontone, G., Mari, Z. and Dissanayaka, N. (2022). Update on TRIP: Therapy to reduce dementia risk in Parkinson’s disease proof of concept trial. UQ Neurosciences Symposium, Brisbane, QLD Australia, 26-27 September 2022.
Pacas Fronza, G., Mitchell, L. K., Pachana, N. A., Byrne, G., Liddle, J. and Dissanayaka, N. N. (2021). Psychotherapy via telehealth to reduce anxiety in persons living with cognitive impairment. 31st Alzheimer Europe Conference: Resilience in dementia: Moving beyond the COVID-19 pandemic, Online, 29 November – 1 December 2021.
Brimelow, R., Brooks, D., Burley, C., Byrne, G., Beattie, E. and Dissanayaka, N. (2021). Achieving person-centred mental health care within residential aged care: co-design of a performance measurement tool. Making person-centred care a reality. DCRC Workshop 2021, Online, 19 November 2021.
Nikles, J., Mitchell, G. K., Smith, S. S., McGree, J. M., McDonald, S., Poli, N., Senior, H., Tan, S., Dissanyaka, N., Ritchie, A. and O'Sullivan, J. D. (2021). Using N-of-1 tests to identify responders to melatonin for sleep disturbance in Parkinson’s Disease. Australian Clinical Trials Alliance conference, Sydney, NSW, Australia, November 2021.
Pacas Fronza, G., Mitchell, L. K., Pachana, N. A., Byrne, G., Liddle, J. and Dissanayaka, N. N. (2021). Remote delivery of technology assisted psychotherapy for people living with dementia in the community. DCRC Anxiety and Depression Symposium 2021, Online, 17 September 2021. Kelvin Grove, QLD, Australia: Dementia Centre for Research Collaboration.
Pacas Fronza, G., Mitchell, L. K., Pachana, N. A., Byrne, G., Liddle, J. and Dissanayaka, N. N. (2021). Telehealth psychotherapy for anxiety in older persons with cognitive impairment (Tele-CBT): a mixed methods pilot study. Australia Dementia Forum 2021, Online, 31 May – 1 June 2021.
Pourzinal, D., Bakker, A., Byrne, G.J., McMahon, K., O’Sullivan, J., Adam, R., Copland, D., Yang, J.H.J., Au, T., Littleford, R., Chatfield, M., Pontone, G., Mari, Z. and Dissanayaka, N. (2021). Therapy to reduce dementia risk in Parkinson’s disease (TRIP): Proof-of-concept protocol. Australia Dementia Forum 2021, Online, 31 May - 1 June 2021.
Yang, J., Byrne, G., McMahon, K., Copland, D., O’Sullivan, J. and Dissanayaka, N. (2021). Changes in the cerebellar activity during task based and resting state fMRI in Parkinson’s disease patients with mild cognitive impairment. MDS Virtual Congress 2021, Online, 17 - 22 September 2021. Hoboken, NJ, United States: John Wiley & Sons.
Yang, J., Byrne, G., McMahon, K., Copland, D., O’Sullivan, J. and Dissanayaka, N. (2021). Semantic fluency and its associated brain activity in Parkinson’s disease with mild cognitive impairment. Australia Dementia Forum 2021, Online, 31 May – 1 June 2021.
Pourzinal, D., Yang, J., Bakker, A., McMahon, K. L., Byrne, G. J., Pontone, G., Mari, Z. and Dissanayaka, N. (2021). Systematic review of Magnetic Resonance Imaging studies exploring hippocampal correlates of episodic memory in Parkinson’s disease. 6th Pacific Rim Conference 2021, Melbourne, VIC, Australia, 30 Jun – 3 Jul 2021.
Brimelow, R., Byrne, G., Beattie, E. and Dissanayaka, N. (2021). Towards better mental health within residential aged care: formulation of a performance measurement tool to aid organisational governance. Australian Dementia Forum 2021, Online, 31 May – 1 June 2021.
Yang, J., Byrne, G., McMahon, K., Copland, D., O’Sullivan, J. and Dissanayaka, N. (2021). Involvement of cerebellum during task based and resting state fMRI in Parkinson’s disease with mild cognitive impairment. Australia Dementia Forum 2021, Online, 31 May – 1 June 2021.
Pourzinal, D., Yang, J.H., Byrne, G.J., O’Sullivan, J.D., McMahon, K., Copland, D.A. and Dissanayaka, N. (2021). Investigating resting state functional connectivity in sub-phenotypes of mild cognitive impairment in Parkinson’s disease. Australia Dementia Forum 2021, Online, 31 May – 1 June 2021.
Su, P., Yang, J. H., McMahon, K. L., Byrne, G. J. and Dissanayaka, N. N. W. (2020). A neuroimaging paradigm for exploring ageing, anxiety, and cognition. Herston Health Precinct Symposium 2020, Brisbane, QLD, Australia, 7-11 December 2020.
Pourzinal, D., Yang, J. H., Byrne, G. J., O'Sullivan, J. D., Mitchell, L. K., McMahon, K. L., Copland, D. A. and Dissanayaka, N. N. W. (2020). Altered functional connectivity of the hippocampus in posterior-cortical subtype of cognitive impairment in Parkinson’s disease. Australian Society for Medical Research Queensland Postgraduate Student Conference, Online, 11 November 2020.
Yang, J., Copland, D., McMahon, K., Byrne, G., O'Sullivan, J. and Dissanayaka, N. (2020). Neural correlates of semantic fluency deficits in Parkinson’s disease patients with mild cognitive impairment. Herston Health Precinct Symposium 2020, Brisbane, QLD, Australia, 7-11 December 2020.
Yang, J., Forbes, E., Pourzinal, D., McMahon, K., Copland, D., Byrne, G., O'Sullivan, J., Mitchell, L. and Dissanayaka, N. (2020). Identification and clinical characteristics of mild cognitive impairment in Parkinson's disease. Herston Health Precinct Symposium 2020, Brisbane, QLD, Australia, 7-11 December 2020.
Pacas Fronza, G., Mitchell, L. K., Pachana, N. A., Byrne, G. and Dissanayaka, N. N. (2020). What can anxiety in dementia look like and can psychotherapy help? Introducing a Tele-CBT for anxiety in cognitive impairment. DCRC Online Symposia: Anxiety and Depression in Dementia Research Network, Online, 11 November 2020.
Pacas Fronza, G., Mitchell, L. K., Pachana, N. A., Byrne, G., Wuthrich, V. and Dissanayaka, N. (2020). Telehealth assisted psychotherapy for anxiety in people with cognitive impairment (Tele-CBT): a study protocol. Herston Health Precinct Symposium 2020, Brisbane, QLD Australia, 7-11 December 2020.
Forbes, E., Byrne, G. J., Yang, J. H. J., O'Sullivan, J., Copland, D. A., McMahon, K. L., Mitchell, L. K. and Dissanayaka, N. N. (2020). Defining atypical anxiety in Parkinson’s disease. Herston Health Precinct Symposium 2020, Brisbane, QLD, Australia, 7-11 December 2020.
Forbes, E., Byrne, G. J., Yang, J. H. J., O'Sullivan, J., Copland, D. A., McMahon, K. L., Mitchell, L. K. and Dissanayaka, N. N. (2020). Anxiety disorders are associated with verbal memory impairment in patients with Parkinson’s disease without dementia. Herston Health Precinct Symposium 2020, Brisbane, QLD, Australia, 7-11 December 2020.
Dissanayaka, N., Byrne, G. J., Mitchell, L. K., O'Sullivan, J. D., Padmassini, A., White, E. X., Yang, J. H. J., Forbes, E., Thangavelu, K., Au, T., Lehn, A., Adam, R. and Pachana, N. A. (2020). Improving diagnosis and treatment of anxiety in Parkinson’s disease: IDATA-PD study update. Herston Health Precinct Symposium 2020, Brisbane, QLD Australia, 7-11 December 2020.
Pourzinal, D., Bakker, A., Byrne, G. J., McMahon, K., O'Sullivan, J., Adam, R., Copland, D., Yang, J. H. J., Au, T., Littleford, R., Chatfield, M., Pontone, G., Mari, G. and Dissanayaka, N. (2020). Therapy to reduce dementia risk in Parkinson’s disease (TRIP): proof-of-concept protocol. Herston Health Precinct Symposium 2020, Brisbane, QLD Australia, 7-11 December 2020.
Pourzinal, D., Bakker, A., Byrne, G. J., McMahon, K., O'Sullivan, J., Adam, R., Copland, D., Yang, J. H. J., Au, T., Littleford, R., Chatfield, M., Pontone, G., Mari, Z. and Dissanayaka, N. (2020). Therapy to Reduce dementia risk In Parkinson’s disease (TRIP): proof-of-concept protocol. UQ Faculty of Medicine Higher Degree by Research Student Symposium, Brisbane, QLD Australia, 23-27 November 2020.
Eeles, E., Dakin, L., Fraser, J., Ling, C., Kaur, P. and Dissanayaka, N. (2020). Validation of the Delirium Decision Support Tool. DCRC Online Symposia: Anxiety and Depression in Dementia Research Network., Online, 11 November 2020.
Forbes, E., Byrne, G.J., Yang, J.H.J., O'Sullivan, J., Copland, D.A., McMahon, K.L., Mitchell, L.K. and Dissanayaka, N.N. (2020). Profiling atypical anxiety in Parkinson’s Disease. MDS Virtual Congress 2020, Online, 12-16 September 2020.
Manchha, Asmita, Walker, Nicole, Way, Kirsten, Tann, Ken, Thai, Michael and Dissanayaka, Nadeeka (2020). So you work in aged care…‘oh’ An exploratory study of social evaluations and the stigmatization of aged care workers. European Group for Organizational Studies, Online, 2-4 July 2020.
Brimelow, R., Thangavelu, K., Pacas Fronza, G. and Dissanayaka, N.N. (2020). Virtual reality in residential aged care: engagement, mood, anxiety and agitation. 53rd Australian Association of Gerontology (AAG) Conference, Online, 18-20 November 2020.
Dissanayaka NN, Forbes EJ, Yang JHJ, O’Sullivan J, Copland DA, McMahon KL, Mitchell LK and Byrne GJ (2020). Anxiety disorders are associated with verbal memory impairment in Parkinson’s disease.. MDS Virtual Congress, Online, 12-16 September 2020.
Pacas Fronza, G. and Dissanayaka, N. (2020). Virtual Reality Assisted Psychotherapy for Anxiety in Dementia. 5th Annual NHMRC National Institute for Dementia Research (NNIDR) Australian Dementia Forum, Adelaide, Australia, 31 May - 2 June 2020.
Brimelow, R., Byrne, G.J., Beattie, E. and Dissanayaka, N. (2020). Developing a quality improvement monitoring system; Mental health benchmarking tool for Residential Aged Care (MHICare). 5th Annual NHMRC National Institute for Dementia Research (NNIDR) Australian Dementia Forum, Adelaide, Australia, 31 May - 2 June 2020.
Brimelow, R., Byrne, G.J., Beattie, E. and Dissanayaka, N. (2020). How do staff report and manage perceived behaviours of concern with Residential Aged Care?; An evaluation of eHealth system report logs. 5th Annual NHMRC National Institute for Dementia Research (NNIDR) Australian Dementia Forum, Adelaide, Australia, 31 May - 2 June 2020.
Dissanayaka, Nadeeka (2020). Improving identification and Treatmentf depression and anxiety in dementia: an integrated approach. 5th Annual NHMRC National Institute for Dementia Research (NNIDR) Australian Dementia Forum, Adelaide, Australia, 31 May-2 June 2020.
Su, P., Hennessy, D., Au, T. R., Angwin, A. J., Iyer, K., Yang, J. H., Copland, D. A., O'Sullivan, J. D. and Dissanayaka, N. N. (2020). Emotional inhibition in Parkinson’s disease: a HD-EEG ERP study. Herston Health Precinct Symposium 2020, Brisbane, QLD Australia, 7-11 December 2020.
Pourzinal, D., Yang, J.H.J., Byrne, G.J., O'Sullivan, J., Mitchell, L., McMahon, K.L., Copland, D.A. and Dissanayaka, N.N. (2020). Using cluster analysis to identify mild cognitive impairment phenotypes in Parkinson’s disease. 5th Annual NHMRC National Institute for Dementia Research (NNIDR) Australian Dementia Forum, Adelaide, Australia, 31 May - 2 June 2020.
Pourzinal, D., Yang, J.H.J., Byrne, G.J., O'Sullivan, J., Mitchell, L., McMahon, K.L., Copland, D.A. and Dissanayaka, N.N. (2020). Investigating resting state functional connectivity in sub-phenotypes of Mild Cognitive Impairment in Parkinson’s disease. 5th Annual NHMRC National Institute for Dementia Research (NNIDR) Australian Dementia Forum, Adelaide, Australia, 31 May - 2 June 2020.
Yang, J., Copland, D., McMahon, K., Byrne, G., O'Sullivan, J. and Dissanayaka, N. (2020). Neural correlates of semantic fluency deficits in Parkinson’s disease patients with mild cognitive impairment. Macquarie University BioNetwork 3rd Annual Research Symposium on Dementia, Online, 14-15 September 2020.
Yang, J., Copland, D., McMahon, K., Byrne, G., O'Sullivan, J. and Dissanayaka, N.N. (2020). Neural correlates of semantic fluency deficits in Parkinson's Disease with mild cognitive impairment. MDS Virtual Congress 2020, Online, 12-16 September 2020.
Yang, J., Forbes, E., Pourzinal, D., McMahon, K., Copland, D., Byrne, G., O'Sullivan, J., Mitchell, L. and Dissanayaka, N. (2020). Identification and clinical characteristics of Mild Cognitive Impairment in Parkinson's disease. Macquarie University BioNetwork 3rd Annual Research Symposium on Dementia, Online, 14-15 September 2020.
Yang, J.H., Forbes, E., Pourzinal, D., McMahon, K., Copland, D.A., Byrne, G.J., O'Sullivan, J., Mitchell, L. and Dissanayaka, N.N. (2020). Identification and clinical characteristics of mild cognitive impairment in Parkinson’s disease. MDS Virtual Congress 2020, Online, 12-16 September 2020.
Pacas Fronza, G., Mitchell, L.K., Pachana, N.A., Byrne, G.J., Wuthrich, V. and Dissanayaka, N.N. (2020). Tele-CBT: Telehealth videoconference assisted psychotherapy for anxiety in people with cognitive impairment. Macquarie University BioNetwork 3rd Annual Research Symposium on Dementia, Online, 14-15 September 2020.
Dissanayaka, N.N,, Byrne, G.J., Mitchell, L.K., O’Sullivan, J.D., Padmassini, A., White, E.X., Yang, J.H.J., Forbes, E., Thangavelu, K., Au, T., Lehn, A., Adams, R. and Pachana, N.A. (2020). Improving diagnosis and treatment of anxiety in Parkinson’s disease: IDATA-PD study update. MDS Virtual Congress 2020, Online, 12-16 September 2020.
Forbes, E., Byrne, G.J., Yang, J.H.J., O'Sullivan, J., Copland, D.A., McMahon, K.L., Mitchell, L.K. and Dissanayaka, N.N. (2020). Anxiety is associated with verbal memory impairment in Parkinson’s disease. 53rd Australian Association of Gerontology (AAG) Conference, Online, 18-20 November 2020.
Pourzinal, D., Bakker, A., Byrne, G., McMahon, K.L., O'Sullivan, J.D., Adam, R., Lehn, A., Copland, D., Yang, J.H., Au, T., Littleford, R., Chatfield, M., Pontone, G., Mari, Z. and Dissanayaka, N.N.W. (2020). Therapy to Reduce dementia risk In Parkinson’s disease (TRIP): Proof-of-concept protocol. Macquarie University BioNetwork 3rd Annual Research Symposium on Dementia, Online, 14-15 September 2020.
Forbes, E. J., Byrne, G. J., Yang, J. H., O'Sullivan, J., Copland, D. A., McMahon, K. L., Mitchell, L. M. and Dissanayaka, N. N. (2020). Anxiety is associated with verbal memory impairment in Parkinson’s disease. Australian Dementia Forum, Adelaide, SA, Australia, 31 May – 2 June 2020. Canberra, ACT, Australia: NHMRC National Institute for Dementia Research (NNIDR).
Yang, Ji Hyun, Forbes, Elana, Pourzinal, Dana, McMahon, Katie, Copland, David, Byrne, Gerard, O'Sullivan, John, Mitchell, Leander and Dissanayaka, Nadeeka (2020). Identification and clinical characteristics of mild cognitive impairment in Parkinson’s disease. Australian Dementia Forum, Adelaide, SA, Australia, 31 May-2 June 2020. Canberra City, ACT, Australia: NHMRC National Institute for Dementia Research (NNIDR).
Yang, J. H. J., Copland, D. A., McMahon, K. L., Byrne, G. J., O'Sullivan, J. D. and Dissanayaka, N. N. (2020). Neural correlates of semantic fluency deficits in Parkinson’s disease patients with mild cognitive impairment. 5th Annual NHMRC National Institute for Dementia Research (NNIDR) Australian Dementia Forum, Adelaide, Australia, 31 May-2 June 2020.
Forbes, E. J., Byrne, G. J., Yang, J. H. J., O'Sullivan, J., Copland, D. A., McMahon, K. L., Mitchell, L. and Dissanayaka, N. N. (2020). Anxiety is associated with verbal memory impairment in Parkinson’s disease. 5th Annual NHMRC National Institute for Dementia Research (NNIDR) Australian Dementia Forum, Adelaide, Australia, 31 May - 2 June 2020.
Yang, J., McMahon, K., Copland, D. A., Byrne, G. J., O'Sullivan, J. D., Mitchell, L. and Dissanayaka, N. N. (2019). Identifying Altered Resting-State Networks in Parkinson’s disease Patients with Mild Cognitive Impairment. International Congress of Parkinson’s Disease and Movement Disorders, Nice, France, 22-26 September 2019. Hoboken, NJ United States: John Wiley & Sons.
Yang, J. H., McMahon, K. L., Copland, D. A., Byrne, G. J., Mitchell, L. K., O'Sullivan, J. D. and Dissanayaka, N. N. W. (2019). Identifying altered resting-state network in Parkinson's disease with mild cognitive impairment. 23rd Annual Meeting of the Organisation for Human Brain Mapping, Rome, Italy, 9-13 June 2019.
Dissanayaka, N. and Dobkin, R. (2019). Parkinson’s disease care partner psychological health and wellbeing: a proposed assessment and treatment paradigm. World Parkinson Congress, Kyoto, Japan, 4-7 June 2019.
Dobkin, R. and Dissanayaka, N. N. (2019). Anxiety in Parkinson’s disease: symptoms, frequency and neurobiology. World Parkinson Congress, Kyoto, Japan, 4-7 June 2019.
Dobkin, R. and Dissanayaka, N. N. (2019). Anxiety: how to manage it. World Parkinson Congress, Kyoto, Japan, 4-7 June 2019.
Brimelow, R., Byrne, G., Beattie, E. and Dissanayaka, N. (2019). A balanced mental health score card for residential aged care: development and validation. NHMRC National Institute for Dementia Research Australian Dementia Forum, Hobart, Tasmania, 13-14 June 2019.
Walker, N., Scott, T., Pachana, N. and Dissanayaka, N. N. (2019). Residential aged care staff: quantitative insight into staff attitudes towards entering RAC themselves. NHMRC National Institute for Dementia Research Australian Dementia Forum, Hobart, Tasmania, 13-14 June 2019.
Pourzinal, D., Yang, J., Byrne, G. J., O'Sullivan, J D., Mitchell, L., McMahon, K., Copland, D. A. and Dissanayaka, N. N. (2019). Identifying subtypes of Mild Cognitive Impairment in Parkinson’s Disease Using Cluster Analysis. International Congress of Parkinson’s Disease and Movement Disorders, Nice, France, 22-26 September 2019. Hoboken, NJ United States: John Wiley & Sons.
Forbes, E. J., Byrne, G. J., O'Sullivan, J. D., Yang, J. H. J., Marsh, R. and Dissanayaka, N. N. W. (2019). Profiling atypical anxiety in Parkinson's disease. University of Queensland Science Student Research Conference, Brisbane, QLD Australia, 12 October 2019.
Yang, J. H., McMahon, K. L., Copland, D. A., Byrne, G. J., Mitchell, L. K., O'Sullivan, J. D. and Dissanayaka, N. N. W. (2018). Altered network connectivity during resting state in Parkinson's disease patients with mild cognitive impairment as a marker for dementia. Imaging@Brisbane 2018, Brisbane, QLD Australia, 22-24 August 2018.
Yang, J. H., McMahon, K. L., Copland, D. A., Byrne, G. J., Mitchell, L. K., O'Sullivan, J. D. and Dissanayaka, N. N. W. (2018). Altered network connectivity during resting state in Parkinson's disease patients with mild cognitive impairment as a marker for dementia. 8th Australasian Cognitive Neuroscience Society Conference, Melbourne, VIC Australia, 22-25 November 2018.
Yang, J. H., McMahon, K. L., Copland, D. A., Byrne, G. J., Mitchell, L. K., O'Sullivan, J. D. and Dissanayaka, N. N. W. (2018). Altered network connectivity during resting state in Parkinson's disease patients with mild cognitive impairment as a marker for dementia. NNIDR Australian Dementia Forum, Sydney, NSW Australia, 4-5 June 2018.
Walker, N., Barlow, F., Reutas, J., Scott, T., Pachana, N. and Dissanayaka, N. (2018). Residential aged care: industry and education taking a contact theory approach. NNIDR Australian Dementia Forum, Sydney, Australia, 4-5 June 2018.
Walker, N., Scott, T., Barlow, F. K., Pachana, N. A. and Dissanayaka, N. N. W. (2018). The Good Neighbour Program: An innovative social support/educational integrated intervention in residential aged-care. International Dementia Conference: Mission Impossible - Truth and Lies in the Age of Choice, Sydney, Australia, 7-8 June 2018.
Brimelow, R., Byrne, G. and Dissanayaka, N. (2018). Psychotropic prescribing guidelines required for residential aged care. International Dementia Conference: Mission Impossible - Truth and Lies in the Age of Choice, Sydney, Australia, 7-8 June 2018.
Dissanayaka, N. N., Brimelow, R. and Byrne, G. (2018). Depression in agedcare residents with dementia. International Dementia Conference: Mission Impossible - Truth and Lies in the Age of Choice, Sydney, Australia, 7-8 June 2018.
Brimelow, R., Dawe, B., James, M., Bhuller, G. and Dissanayaka, N. (2018). Effectiveness of virtual reality for relaxation and reminiscence in people within Residential Aged Care: A mixed methods pilot study. 3rd Annual NHMRC National Institute for Dementia Research (NNIDR) Australian Dementia Forum, Sydney, Australia, 4 - 5 June 2018.
Walker, N., Dissanayaka, N., Scott, T. and Pachana, N.A. (2018). Attitudes towards Residential Aged Care (RAC): A contact theory approach. 3rd Annual NHMRC National Institute for Dementia Research (NNIDR) Australian Dementia Forum, Sydney, NSW Australia, 4 - 5 June 2018.
Walker, N., Dissanayaka, N.N., Scott, T. and Pachana, N.A. (2018). Attitudes, contact theory and age. International Dementia Conference: "Mission Impossible? Truth and Lies in the Age of Choice", Sydney, NSW Australia, 7-8 June 2018.
Dissanayaka, N., Brimelow, R., Walker, N., Pachana, N. and Byrne, G. (2018). An integrative approach to management of behavioural and psychological symptoms in dementia. 3rd Annual NHMRC National Institute for Dementia Research (NNIDR) Australian Dementia Forum, Sydney, NSW Australia, 4 - 5 June 2018.
Toft, A., Yang, J., Byrne, G., O’Sullivan, J., Mitchell, L., Copland, D. and Dissanayaka, N. (2017). Investigating the Association between Anxiety and Cognitive Impairment in Parkinson’s Disease: A Descriptive Study. International Congress of Parkinson's Disease and Movement Disorders, Vancouver, BC Canada, 4-8 June 2017. Hoboken, NJ United States: Wiley-Blackwell.
Dissanayaka, N., Hennessy, D., Au, T., Angwin, A., Yang, J., O’Sullivan, J. and Copland, D. (2017). EEG Markers for Emotional Inhibition in Parkinson’s Disease. International Congress of Parkinson's Disease and Movement Disorders, Vancouver, BC, Canada, 4-8 June 2017.
Dissanayaka, N., Au, T., Angwin, A., O’Sullivan, J., Byrne, G., Silburn, P., Marsh, R., Mellick, G. and Copland, D. (2017). Electrophysiological markers for emotional and cognitive impairment in Parkinson’s disease. International Congress of Parkinson's Disease and Movement Disorders, Vancouver, BC, Canada, 4-8 June 2017.
Yang, J. H., McMahon, K . L., Copland, D. A., Byrne, G. J., Toft, A. J. H., Mitchell, L. K., O'Sullivan, J. D. and Dissanayaka, N. N. W. (2017). Altered attention brain network in Parkinson’s disease with mild cognitive impairment. International Congress of Parkinson's Disease and Movement Disorders, Vancouver, BC Canada, 4-8 June 2017. Hoboken, NJ United States: Wiley-Blackwell.
Yang, J. H., McMahon, K. L., Copland, D. A., Byrne, G. J., Toft, A. J. H., Mitchell, L. K., O'Sullivan, J. D. and Dissanayaka, N. N. W. (2017). Understanding neural activation in semantic fluency in Parkinson’s disease with mild cognitive impairment. International Congress of Parkinson's Disease and Movement Disorders, Vancouver, BC Canada, 4-8 June 2017. Hoboken, NJ United States: Wiley-Blackwell.
Dissanayaka, N., Pachana, N., O’Sullivan, J., Marsh, R., Silburn, P., White, E., Torbey, E., Pye, D., Mitchell, L., Mellick, G., Copland, D. and Byrne, G. (2017). Improving diagnosis and treatment of anxiety in Parkinson’s disease: IDATA-PD study. International Congress of Parkinson's Disease and Movement Disorders, Vancouver, BC, Canada, 4-8 June 2017. Hoboken, NJ United States: Wiley.
Dissanayaka, N. N. W., Pachana, N. A., O'Sullivan, J. D., Marsh, R., Silburn, P. A., White, E. X., Torbey, E., Pye, D., Mitchell, L. K., Yang, J. H., Toft, A. J., Au, T. R., Mellick, G. D., Copland, D. A. and Byrne, G. J. (2017). Improving Diagnosis and Treatment of Anxiety in Older Adults with Parkinson’s Disease (IDATA-PD STUDY). Psychology & Ageing Interest Group National Conference - Empowering older adults through psychology, Brisbane, QLD Australia, 6-7 October 2017.
Dissanayaka, N. N. W., Toft, A., Yang, J. H., Pachana, N., O'Sullivan, J., Mitchell, L., Copland, D. and Byrne, G. (2017). Anxiety in patients with cognitive impairment and Parkinson’s disease. NNIDR Australian Dementia Forum, Melbourne, VIC Australia, 15-17 October, 2017.
Brimelow, R., Wollin, J., Byrne, G. and Dissanayaka, N. (2017). Variations in mental health assessment and psychotropic practices in Residential Aged Care. NNIDR Australian Dementia Forum, Melbourne, VIC Australia, 15-17 October 2017.
Brimelow, R., Wollin, J., Byrne, G. and Dissanayaka, N. (2017). Prescribing of psychotropic drugs in residential aged care: variations and indicators for use across homes and in residents with and without dementia. Psychology and Ageing Interest Group Conference, Brisbane, QLD Australia, 6-7 October 2017.
Yang, J. H., McMahon, K. L., Copland, D. A., Byrne, G. J., Toft, A. J. H., Mitchell, L. K., O'Sullivan, J. D. and Dissanayaka, N. N. W. (2017). Altered attention brain network in Parkinson’s disease with mild cognitive impairment. The Movement Disorder Society of Australia and New Zealand Scientific Conference, Gold Coast, QLD Australia, 22 September 2017.
Yang, J. H., McMahon, K. L., Copland, D. A., Byrne, G. J., Toft, A. J. H., Mitchell, L. K., O'Sullivan, J. D. and Dissanayaka, N. N. W. (2017). Understanding neural activation in semantic fluency in Parkinson’s disease with mild cognitive impairment. The Movement Disorder Society of Australia and New Zealand Scientific Conference, Gold Coast, QLD Australia, 22 September 2017.
Yang, J. H., McMahon, K. L., Copland, D. A., Byrne, G. J., Toft, A. J. H., Rheinberger, T. J., Mitchell, L. K., O'Sullivan, J. D. and Dissanayaka, N. N. W. (2017). Impairments in functional networks linked to attentional deficits in mild cognitive impairment MCI in patients with Parkinson’s disease. 7th Australasian Cognitive Neuroscience Society Conference, Adelaide, SA Australia, 23-26 November 2017.
Walker, N., Scott, T., Barlow, F. K., Pachana, N. A. and Dissanayaka, N. N. W. (2017). The Good Neighbour Program: An innovative social support/educational integrated intervention in residential aged-care. Psychology & Ageing Interest Group National Conference - Empowering older adults through psychology, Brisbane, Australia, 6-7 October 2017.
Brimelow, R., Wollin, J., Byrne, G. and Dissanayaka, N. (2017). Psychotropic drug use in residential aged care. 18th International Mental Health Conference, Gold Coast, Australia, 21-23 August 2017.
Pachana, N., Torbey, E., O'Sullivan, J., Marsh, R., Silburn, P., Mellick, G., Byrne, G. and Dissanayaka, N. (2017). Validity and reliability of anxiety and neuroticism assessment in Parkinson’s disease. Stress and Anxiety Research Society 38th Annual Meeting 2017, Pokfulan, Hong Kong, 5-7 July 2017.
Yang, J. H., McMahon, K. L., Copland, D. A., Byrne, G. J., Toft, A. J. H., Mitchell, L. K. and Dissanayaka, N. N. W. (2017). Impaired semantic fluency in Parkinson’s disease with mild cognitive impairment: a fMRI study. 23rd Annual Meeting of the Organisation for Human Brain Mapping, Vancouver, BC, Canada, 25-29 June 2017.
Yang, J. H., McMahon, K. L., Copland, D. A., Byrne, G. J., Toft, A. J. H., Mitchell, L. K. and Dissanayaka, N. N. W. (2017). Attention network in Parkinson’s disease with mild cognitive impairment: an event-related fMRI study. 23rd Annual Meeting of the Organisation for Human Brain Mapping, Vancouver, BC, Canada, 25-29 June 2017.
Walker, N., Dissanayaka, N.N., Scott, T. and Pachana, N.A. (2017). The Good Neighbour Program. NHMRC National Institute for Dementia Research (NNIDR) Australian Dementia Forum, Melbourne, VIC Australia, 15-17 October 2017.
Yang, J.H., McMahon, K.L., Copland, D.A., Byrne, G.J., Toft, A.J.H., Mitchell, L.K., O'Sullivan, J.D. and Dissanayaka, N.N.W. (2017). Altered attention brain network in Parkinson’s disease with mild cognitive impairment. Centre for Advanced Imaging 4th Annual Symposium, Brisbane, Australia, 29 September 2017.
Dissanayaka, N. N. W., Pachana, N. A., O'Sullivan, J. D., Marsh, R., Silburn, P. A., White, E. X., Torbey, E., Pye, D. and Mitchell, L. K. (2016). Improving Diagnosis and Treatment of Anxiety in Older Adults with Parkinson’s Disease (IDATA-PD STUDY). 25th Annual RBWH Healthcare Symposium, Brisbane, QLD Australia, 12-16 September 2016.
McFadyen, J., Au, T., Angwin, A., Copland, D. and Dissanayaka, N. N. W. (2016). The Neuromodulatory Role of Anxiety In Parkinson’s Disease: An Affective Priming EEG Study. 25th Annual RBWH Healthcare Symposium, Brisbane, QLD Australia, 12-16 September 2016.
Hennessy, D., Au, T. R., Angwin, A. J., Yang, J. H., Copland, D. A., O'Sullivan, J. D. and Dissanayaka, N. N. W. (2016). Emotional Inhibition In Parkinson’s Disease: An EEG Study. 25th Annual RBWH Healthcare Symposium, Brisbane, QLD Australia, 12-16 September 2016.
Toft, A., O'Sullivan, J., Marsh, R., Silburn, P., Mellick, G., Byrne, G. and Dissanayaka, N. N. W. (2016). The association between anxiety and cognitive dysfunction in Parkinson’s disease. 7th International Postgraduate Symposium in Biomedical Science, Brisbane, QLD, Australia, 31 October - 1 November, 2016.
Idu Jion, F., Harnett, P., Pachana, N. A., O’Sullivan, J. D., Marsh, R., Byrne, G. J. and Dissanayaka, N. N. W. (2016). Mindfulness Intervention for Motor and Non-Motor Symptoms of Parkinson's Disease. 25th Annual RBWH Healthcare Symposium, Brisbane, QLD Australia, 12-16 September 2016.
Dissanayaka, N., Pye, D., Mitchell, L., Byrne, G., O'Sullivan, J., Marsh, R. and Pachana, N. (2016). Tailored Cognitive Behaviour Therapy to combat anxiety in Parkinson’s disease. 8th World Congress of Behavioural and Cognitive Therapies, Melbourne, VIC Australia, 22-23 June 2016.
Dissanayaka, N. N. W., Pye, D., Mitchell, L. K., Byrne, G. J., O'Sullivan, J. D., Marsh, R. and Pachana, N. A. (2016). Tailored Cognitive Behaviour Therapy to Combat Anxiety in Parkinson’s Disease. 25th Annual RBWH Healthcare Symposium, Brisbane, QLD Australia, 12-16 September 2016.
Yang, J. H., Byrne, G. J., Copland, D. A., McMahon, K. L. and Dissanayaka, N. N. W. (2016). Systemic Review of Functional Magnetic Resonance Imaging (fMRI) on Cognitive Impairment in Parkinson’s Disease. 25th Annual RBWH Healthcare Symposium, Brisbane, QLD Australia, 12-16 September 2016.
Yang, J. H., Byrne, G. J., Copland, D. A., McMahon, K. L. and Dissanayaka, N. N. W. (2016). Systematic Review of Structural and Functional Magnetic Resonance Imaging (fMRI) on Cognitive Impairment in Parkinson’s disease. 7th International Postgraduate Symposium in Biomedical Science, Brisbane, QLD Australia, 31 October - 1 November 2016.
Dawson, A., Yücel, M., Dissanayaka, N. and Carter, A. (2016). Neurocognitive processes underlying medication-induced addictive behaviours in Parkinson’s disease: A narrative review. 11th International Congress on Non-Motor Dysfunctions in Parkinson’s Disease and Related Disorders, Ljubljana, Slovenia, 6-9 October 2016.
Idu Jion, F., Dissanayaka, N., Harnett, P., O'Sullivan, J. and Pachana, N. (2016). Mindfulness Intervention for motor and non-motor symptoms of Parkinson's disease. 7th Singapore International Parkinson’s Disease and Movement Disorders Symposium, Singapore, 29 September - 1 October 2016.
Walker, N., Dissanayaka, N.N., Scott, T. and Pachana, N.A. (2016). Shaping attitudes: the association between prior contact with residential aged care and resistance to enter residential aged care. Gerontological Society of America (GSA) Annual Meeting 2016, Louisiana, United States, 16-20 November 2016.
Dissanayaka, N., Pachana, N., O'Sullivan, J., Marsh, R., Silburn, P., White, E., Torbey, E., Pye, D., Mitchell, L., Mellick, G., Copland, D. and Byrne, G. (2016). Improving Diagnosis and Treatment of Anxiety in Parkinson’s Disease: IDATA-PD study. Australia and New Zealand Association of Neurologists (ANZAN) Annual Scientic Meeting, Perth, WA Australia, 24-27 May 2016.
Pachana, N. A., Dissanayaka, N. N., Jion, F. I., Harnett, P. and O'Sullivan, J. (2015). Mindfulness to combat anxiety in people with Parkinson's disease. Balancing Cure with Care: Advances in Late Life Mental Health, 17th IPA International Congress, Berlin, Germany, 13-16 October 2015. Cambridge, United Kingdom: Cambridge University Press.
Dissanayaka, N., Idu Jion, F., Harnett, P., O'Sullivan, J. and Pachana, N. (2015). Mindfulness to combat anxiety in people with Parkinson’s disease. 17th International Psychogeriatric Association International Congress, Berlin, Germany, 13-16 October 2015.
Dissanayaka, N., Idu Jion, F., Harnett, P., O'Sullivan, J. and Pachana, N. (2015). Mindfulness for Parkinson’s disease: a qualitative study. 24th Annual RBWH Health Care Symposium, Brisbane, Australia, 12-16 October 2015.
Dissanayaka, N. (2015). Phenomenology and treatment of anxiety and depression in Parkinson's disease. Royal Australian and New Zealand College of Psychiatrists 2015 Congress, Brisbane, QLD, Australia, 3-7 May 2015. London, United Kingdom: Sage Publications. doi: 10.1177/0004867415578344
Mosley, P. E., Marsh, R., Dissanayaka, N., Subramanian, H., Carter, A., Hall, W., Coyne, T. and Silburn, P. (2015). Neuropsychiatric aspects of Parkinson's disease. Royal Australian and New Zealand College of Psychiatrists 2015 Congress, Brisbane, QLD, Australia, 3-7 May 2015. London, United Kingdom: Sage Publications. doi: 10.1177/0004867415578344
Pye, D., Dissanayaka, N., Mitchell, L., O'Sullivan, J., Marsh, R., Byrne, G. and Pachana, N. (2015). Cognitive Behaviour Therapy for anxiety in Parkinson’s disease: Outcomes for patients and carers. RANZCP Faculty of Psychiatry of Old Age and APS Psychology and Ageing Special Interest Group Joint Conference, Adelaide, SA Australia, 26-28 November 2015.
Au, T., Angwin, A., Copland, D., O'Sullivan, J., Byrne, G., Silburn, P., Marsh, R., Mellick, G. and Dissanayaka, N. (2014). Negative biases and slow negative wave in Parkinson’s disease. 12th International Conference on Cognitive Neurosicence, Brisbane, QLD Australia, 27-31 July 2014.
Dissanayaka, N., Au, T., Angwin, A., O'Sullivan, J., Byrne, G., Silburn, P., Marsh, R., Mellick, G. and Copland, D. (2014). Cognitive and Emotional processing in Parkinson’s disease. 12th International Conference on Cognitive Neurosicence, Brisbane, QLD Australia, 27-31 July 2014.
Dissanayaka, N., Au, T., Angwin, A., O'Sullivan, J., Byrne, G., Silburn, P., Marsh, R., Mellick, G. and Copland, D. (2014). Electrophysiological markers enhancing diagnostic accuracy of depression and cognitive dysfunction in Parkinson’s disease. 23rd Annual RBWH Health Care Symposium, Brisbane, Australia, 13-17 October 2014.
White, E., Byrne, G., O'Sullivan, J., Marsh, R., Silburn, P., Pachana, N., Mellick, G., Copland, D. and Dissanayaka, N. (2014). Symptomatology and treatment of anxiety in Parkinson’s disease. In: School of Medicine, The University of Queensland Annual Student Symposium, Brisbane, QLD Australia, (). 2014.
Angwin, A., Dissanayaka, N., McMahon, K., Silburn, P. and Copland, D. (2014). An event-related potential study on sentence processing in Parkinson’s disease. 12th International Conference on Cognitive Neurosicence, Brisbane, Australia, 27-31 July 2014.
Torbey, E., Dissanayaka, N. and Pachana, N. (2014). Depression and anxiety measures in Parkinson’s disease: which are best?. 20th Australian Psychological Society Clinical Neuropsychology Conference, Adelaide, SA Australia, 27-29 November 2014.
Dissanayaka, N., Au, T., Angwin, A., O’Sullivan, J., Byrne, G., Silburn, P., Marsh, R., Mellick, G. and Copland, D. (2013). Emotional processing in Parkinson's disease and anxiety: an EEG study of visual affective word processing. BaCI 2013: First International Conference on Basic and Clinical Multimodal Imaging, Geneva, Switzerland, 5-8 September, 2013. Thousand Oaks, CA, United States: Sage Publications. doi: 10.1177/1550059413507209
Dissanayaka, N., Au, T., Angwin, A., O’Sullivan, J., Byrne, G., Silburn, P., Marsh, R., Mellick, G. and Copland, D. (2013). Emotional dysfunction in Parkinson’s disease. 22nd Annual RBWH Health Care Symposium, Brisbane, Australia, 14-18 October 2013.
Carter, Adrian, Bell, Peter, Diezel, Helene, Dissanayaka, Nadeeka, O'Sullivan, John and Hall, Wayne (2013). Patient perspectives on treatment-induced impulse control disorders. Australasian Professional Society on Alcohol and other Drugs Conference, Brisbane, QLD Australia, 24-27 November 2013. Chichester, West Sussex, United Kingdom: Wiley-Blackwell Publishing Ltd.. doi: 10.1111/dar.12077
Torbey, E., Pachana, N. and Dissanayaka, N. (2013). Validity of depression and anxiety rating scales in Parkinson’s disease. 22nd Annual RBWH Health Care Symposium, Brisbane, Australia, 14-18 October 2013.
Carter, Adrian, O'Sullivan, John, Dissanayaka, Nadeeka, Bartlett, Francesca, Hall, Wayne and Bell, Peter (2013). Drug-induced compulsive disorders: clinical, ethical and legal challenges. Australasian Professional Society on Alcohol and other Drugs Conference, Brisbane, QLD Australia, 24-27 November 2013. Chichester, West Sussex, United Kingdom: Wiley-Blackwell Publishing Ltd.. doi: 10.1111/dar.12077
Dissanayaka, N. N., Au, T., Angwin, A., Copland, D., O'Sullivan, J., Byrne, G. J., Marsh, R., Mellick, G. and Silburn, P. A. (2013). Identifying EEG markers associated with anxiety in Parkinson's disease: late positive potential. MDS 2013: 17th International Congress of Parkinson’s Disease and Movement Disorders, Sydney, NSW, Australia, 16-20 June, 2013. Hoboken, NJ, United States: John Wiley & Sons. doi: 10.1002/mds.25605
O'Sullivan, John and Dissanayaka, Nadeeka (2013). Clinical implications of impulse control disorders in Parkinson's disease. APSAD 2013: Australasian Professional Society on Alcohol and other Drugs Conference, Brisbane, Australia, 24-27 November 2013. Chichester, West Sussex, United Kingdom: Wiley-Blackwell.
Torbey, E., Pachana, N. and Dissanayaka, N. (2013). Depression and anxiety rating scales in Parkinson’s disease: critique and recommendations. Psychology & Ageing Interest Group Conference, Melbourne, VIC Australia, 15-16 November 2013.
Au, Tiffany, Angwin, Anthony, Copland, David, Mellick, George, O’Sullivan, John, Silburn, Peter, Byrne, Gerard and Dissanayaka, Nadeeka (2012). Neural mechanisms underlying emotional processing in healthy older adults: electrophysiological correlates of visual affective word processing. 3rd Australasian Cognitive Neuroscience Conference (ACNS 2012 ), Brisbane, Australia, 29 November - 2 December 2012. Lausanne, Switzerland: Frontiers Research Foundation. doi: 10.3389/conf.fnhum.2012.208.00121
Dissanayaka, Nadeeka, Au, Tiffany, Angwin, Anthony, Copland, David, O’Sullivan, John, Byrne, Gerard, Marsh, Rodney, Mellick, George and Silburn, Peter (2012). Neural correlates of emotional processing in Parkinson’s disease and the influence of affective disturbances. 3rd Australasian Cognitive Neuroscience Conference (ACNS 2012 ), Brisbane, Australia, 29 November - 2 December 2012. Lausanne, Switzerland: Frontiers Research Foundation. doi: 10.3389/conf.fnhum.2012.208.00140
Dissanayaka, N., Au, T., Angwin, A., O’Sullivan, J., Byrne, G., Copland, D., Marsh, R., Mellick, G. and Silburn, P. (2012). Abnormalities in emotional processing associated with anxiety in Parkinson’s disease. Parkinson’s Australia National Conference, Brisbane, Australia, 13-14 July 2012.
Dissanayaka, N., Au, T., Angwin, A., Copland, D., O’Sullivan, J., Byrne, G., Marsh, R., Mellick, G. and Silburn, P. (2012). Abnormal event related brain potentials generated while processing emotional information in anxious Parkinson’s disease patients. 8th International Congress on Mental Dysfunction and Other Non-Motor Features in Parkinson's Disease and Related Disorders, Berlin, Germany, 3-6 May 2012.
Carter, A., Dissanayaka, N., O’Sullivan, J. and Hall, W. (2012). Drug induced impulse control disorders: a prospectus for neuroethical analysis. Parkinson’s Australia National Conference, Brisbane, Australia, 13-14 July 2012.
Bell, P., Copland, D., Dissanayaka, N., McMahon, K., Mellick, G. and Silburn, P. (2012). Frontostriatal circuit dysfunction in parkinson's disease during verbal suppression: evidence from functional neuroimaging. Parkinson’s Australia National Conference, Brisbane, Australia, 13-14 July 2012.
Dissanayaka, N., Mellick, G., O’Sullivan, J. and Silburn, P. (2012). Depression and anxiety in Parkinson’s disease. Parkinson’s Australia National Conference, Brisbane, Australia, 13-14 July 2012.
Dissanayaka, N., Au, T., Angwin, A., O’Sullivan, J., Byrne, G., Copland, D., Marsh, R., Mellick, G. and Silburn, P. (2012). Characterizing anxiety in Parkinson’s disease: clinical symptoms and neurophysiological markers. 21st Annual RBWH Health Care Symposium, Brisbane, Australia, 8-12 October 2012.
Copland, D., Bell, P., McMahon, K., Dissanayaka, N., Mellick, G. and Silburn, P. (2012). Subcortical activity during verbal selection and suppression in Parkinson's Disease. 50th Academy-of-Aphasia Meeting, San Francisco, CA United States, 28-30 October 2012. Amsterdam, Netherlands: Elsevier. doi: 10.1016/j.sbspro.2012.10.074
Dissanayaka, N., Angwin A., Copland, D., O’Sullivan, J., Byrne, G., Marsh, M., Mellick, G. and Silburn, P. (2011). Abnormal event related brain potentials generated while processing emotional information in anxious Parkinson’s disease patients. The Biannual Movement Disorder Society of Australia Conference, Melbourne, Australia, 8-10 September 2011.
Dissanayaka, Nadeeka, Au, Tiffany, Angwin, Anthony, Copland, David, O’Sullivan, John, Byrne, Gerard, Marsh, Rodney, Mellick, George and Silburn, Peter (2011). Abnormal event related brain potentials generated while processing emotional information in anxious Parkinson’s disease patients. 2nd Australasian Cognitive Neuroscience Conference, Sydney, Australia, 9-12 December 2011.
Dissanayaka, Nadeeka N., O'Sullivan, John D., Silburn, Peter A. and Mellick, George D. (2011). Assessment methods and factors associated with depression in Parkinson's disease. 7th International Congress on Mental Dysfunction and other Non-Motor Features in Parkinsons Disease and Related Disorders, Barcelona, Spain, 9-12 December 2010. Amsterdam, Netherlands: Elsevier. doi: 10.1016/j.jns.2011.06.031
Dissanayaka, N., Angwin, A., Copland, D., O’Sullivan, J., Byrne, G., Marsh, R., Mellick, G. and Silburn, P. (2011). Abnormal event related brain potentials generated while processing emotional information in anxious Parkinson’s disease patients. 20th RBWH Healthcare Symposium, Brisbane, Australia, 10-14 October 2011.
Dissanayaka, N., O’Sullivan, J., Silburn, P. and Mellick, G. (2010). Factors associated with freezing of gait in Parkinson’s disease. 19th Annual RBWH Health Care Symposium, Brisbane, Australia, 11-15 October 2010.
Dissanayaka, N. N., O’Sullivan, J. D., Silburn, P. A. and Mellick, G. D. (2010). Risk factors for depression in Parkinson’s disease. 7th International Congress on Mental Dysfunctions and Other Non-motor Features in Parkinson’s Disease and Related Disorders, Barcelona, Spain, 9-12 December 2010.
Dissanayaka, N. N. W., Sellbach, A., Matheson, S., Marsh, R., Silburn, P. A., O'Sullivan, J. D., Byrne, G. J. and Mellick, G. D. (2009). Assessing depression in Parkinson’s disease. 5th National Conference on Depression in Elderly., Sydney, Australia, 2009.
Dissanayaka, N. N. W., Silburn, P. A., O’Sullivan, J. D. and Mellick, J. D. (2009). What contributes to depression in Parkinson’s disease?. Australian Society for Medical Research Queensland Postgraduate Student Conference, Brisbane, Australia, 26 May 2009.
White, N. M., Johnson, H. L., Mengersen, K. L., Mellick, G. D., Dissanayaka, N. and Silburn, P. A. (2009). A probabilistic approach for patient classification in Parkinson’s disease. MDS 13th International Congress: The Movement Disorder Society’s 13th International Congress of Parkinson’s Disease and Movement Disorder, Paris, France, 7-11 June 2009. Hoboken, NJ, United States: John Wiley & Sons. doi: 10.1002/mds.22628
Dissanayaka, N. N., Sellbach, A., Matheson, S., Marsh, R., Silburn, P. A., O'Sullivan, J. D., Byrne, G. J. and Mellick, G. D. (2009). Risk factors for depression in Parkinson’s disease. 1st Joint Conference of the APS Psychology and Ageing Interest Group, and the Royal Australian and New Zealand College of Psychiatrists Faculty of Psychiatry of Old Age, Gold Coast, Australia, 12-14 November 2009.
Dissanayaka, N., Sellbach, A., Matheson, S., O'Sullivan, J., Silburn, P. A., Marsh, R., Byrne, G. and Mellick, G. (2009). Risk factors for depression in Parkinson’s disease. 18th Annual RBWH Health Care Symposium, Brisbane, Australia, October 2009.
Dissanayaka, N., Silburn, P., O’Sullivan, J. and Mellick, G. (2008). Is depression in Parkinson’s disease ‘organic’ or ‘reactive’. Australian Society for Medical Research Queensland Postgraduate Student Conference, Brisbane, Australia, 29 May 2008.
Dissanayaka, N., O’Sullivan, J., Silburn, P. and Mellick, G. (2008). Risk factors for depression in Parkinson’s disease. 6th International Congress on Mental Dysfunctions and Other Non-motor Features in Parkinson’s Disease, Dresden, Germany, 16-19 October 2008.
Dissanayaka, N., Silburn, P., O’Sullivan, J. and Mellick, G. (2007). A candidate gene study of the serotonin and dopamine transporter genes in relation to depression in Parkinson's disease.. 2007 Eskitis Institute Graduate Student Symposium, Brisbane, Australia, October, 2007.
Dissanayaka, N., Silburn, P., O’Sullivan, J. and Mellick, G. (2007). Genetic and non-genetic determinants of depression in the setting of Parkinson's disease. ASMR Queensland Postgraduate Medical Research Student Conference, Brisbane, QLD, Australia, 23 May, 2007.
Dissanayaka, N., Sellbach, A., Matheson, S., Marsh, R., Silburn, P., O’Sullivan, J., Byrne, G. and Mellick, G. (2007). What contributes to depression in the setting of Parkinson's disease?. 4th National Conference on Depression in the Elderly, Sydney, NSW, Australia, 28-29 June, 2007.
Dissanayaka, N., Silburn, P., O’Sullivan, J. and Mellick G. (2007). A candidate gene study of the serotonin and dopamine transporter genes in relation to depression in Parkinson’s disease. 6th Australian Human Gene Mapping Conference, Brisbane, Australia, 29-31 August 2007.
Dissanayaka, N., Sellbach, A., Matheson, S., Marsh, R., Silburn, P., O’Sullivan, J., Byrne, G. and Mellick, G. (2006). Regular exposure to pesticides is related to depression associated with Parkinson's disease: evidence from two independent Australian samples. 2006 Eskitis Institute Graduate Student Symposium, Brisbane, QLD, Australia, November, 2006.
Dissanayaka, N., Sellbach, A., Matheson, S., Marsh, R., Silburn, P., O’Sullivan, J., Byrne, G. and Mellick, G. (2006). Validity of three depression rating scales in Australian Parkinson's disease patients. 2006 Eskitis Institute Graduate Student Symposium, Brisbane, QLD, Australia, November, 2006.
Dissanayaka, N., Sellbach, A., Matheson, S., Marsh, R., Silburn, P., O’Sullivan, J., Byrne, G. and Mellick, G. (2006). Assessing the risk factors for depression in Parkinson's disease. ASMR Queensland Postgraduate Medical Research Student Conference, Brisbane, QLD, Australia, 26 May, 2006.
Dissanayaka, N., Selbach, A., Matheson, S., Marsh, R., Silburn, P. A., O'Sullivan, J. D., Byrne, G. J. and Mellick, G. D. (2006). Assessing risk factors for depression in Parkinson’s disease. 5th National Conference of Emerging Researchers in Aging, Sydney, Australia, 2006. Sydney, Australia: University of Sydney, Centre for Education and Research on Ageing.
Dissanayaka, N., Sellbach, A., Matheson, S., Marsh, R., Silburn, P., O’Sullivan, J., Byrne, G. and Mellick, G. (2006). Validity of three depression rating scales in Australian Parkinson's Disease patients. 5th International Congress on Mental Dysfunction in Parkinson's Disease, Amsterdam, Netherlands, 12-14 June, 2006. Camden, London, United Kingdom: Elsevier. doi: 10.1016/S1353-8020(07)70108-6
Dissanayaka, N., Sellbach, A., Matheson, S., Marsh, R., Silburn, P., O’Sullivan, J., Byrne, G. and Mellick, G. (2006). Regular exposure to pesticides is related to depression associated with Parkinson's Disease: evidence from two independent Australian samples. 5th International Congress on Mental Dysfunction in Parkinson's Disease, Amsterdam, Netherlands, 12-14 June, 2006. Camden, London, United Kingdom: Elsevier. doi: 10.1016/S1353-8020(07)70104-9
Dissanayaka, N. N. W., Sellbach, A., O’Sullivan, J. D., Silburn, P. A. and Mellick, G. D. (2005). Impact of depression on quality of life in people with Parkinson’s disease. 4th National Conference of Emerging Researchers in Aging, Brisbane, 2005.
Dissanayaka, N. N. W., Sellbach, A., O’Sullivan, J. D., Silburn, P. A. and Mellick, G. D. (2005). The impact of depression and motor disability on quality of life in patients suffering from Parkinson's disease. The University of Queensland School of Medicine Southern Clinical Division Post Graduate Student Conference, Brisbane, QLD, Australia, 2005.
Dissanayaka, N. N. W., Deng, Y., Marsh, R., O’Sullivan, J. D., Silburn, P. A., Roberts, M. and Mellick, G. D. (2005). Risk factors and assessment methods for depression associated with Parkinson's disease. ASMR Queensland Postgraduate Medical Research Student Conference, Brisbane, QLD, Australia, 10 June, 2005.
Dissanayaka, N. N. W., Deng, Y. and Mellick, G. D. (2004). Parkinson's disease and depression: the role of serotonin transporter gene and other risk factors. ERA 2004: The 3rd National Conference for Emerging Researchers in Ageing, Brisbane, QLD, Australia, 2nd December 2004. St. Lucia, QLD, Australia: Australasian Centre on Ageing.
Thesis
Dissanayaka, Nadeeka (2008). Depression in Parkinson's disease : assessment methods and risk factors. PhD Thesis, School of Medicine, The University of Queensland. doi: 10.14264/159583
Newspaper Articles
Dissanayaka, N. (2013, 01 01). Parkinson's disease link to anxiety and depression RBWH Foundation Newsletter 3-3.
Dissanayaka, Nadeeka (2013, 01 01). Understanding anxiety and depression in Parkinson's disease and in the elderly Foundation Line 3-3.
Dissanayaka, N. (2010, 01 01). Ex-Wallaby to Tackle Illness Courier Mail
Research Reports
Dissanayaka, N. (2010). Anxiety and depression in Parkinson's disease. Springwood, QLD, Australia: Parkinson’s Queensland .
Dissanayaka, N. (2010). Anxiety and depression in parkinson’s disease. Herston, QLD, Australia:
Dissanayaka, N. (2004). Unraveling the mysteries of depression in Parkinson's disease. Stones Corner, QLD, Australia: