
Overview
Background
Professor Nadeeka Dissanayaka is a UQ Amplify Professorial Research 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 also the director of the UQ Dementia Friendly University Initiative. 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 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.
Availability
- Professor Nadeeka Dissanayaka is:
- Available for supervision
- Media expert
Fields of research
Qualifications
- Bachelor (Honours) of Science (Advanced), The University of Queensland
- Doctor of Philosophy, The University of Queensland
Research interests
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New diagnostic methods to identify anxiety in dementia and Parkinson's disease
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Neuroimaging (EEG and fMRI) and psychophysiological markers
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New psychological treatments using innovative technologies such as telehealth, virtual reality and mobile phones
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Novel psychosocial interventions in residential aged care facilities
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Adverse effects of pharmacological treatment including prescription of psychotropic medication in elderly
Research impacts
Research: Prof Dissanayaka is the principal investigator (CIA) of 2 large MRFF funded (>$3.6 million) research programs focused on improving diagnosis of dementia in Parkinson's disease (PDCogniCare) and technology assisted psychotherapy in dementia (MyAnxietyCare). Her other programs include Mental Health Benchmarking Industry Tool for Residential Aged Care (MHICare), Improving Diagnosis and Treatment of Anxiety in Parkinson’s disease (IDATA-PD), Virtual reality assisted psychotherapy for aged care (VR AgedCare), Parkinson's disease (VRAPD) and dementia (Tech-CBT), Uncovering a Therapeutic Marker to Reduce the Risk of Dementia in Parkinson's disease (TRIP), and digital delium hub. She is the developer of a new Parkinson’s disease-specific anxiety inventory (PDSAI) and co-author of 5 new psychotherapy manuals including cognitive behavioural therapy and mindfulness therapy. She is first author of the top cited publication for “Anxiety in Parkinson’s disease”, an author of book chapters titled “Anxiety in Parkinson’s disease” in “Anxiety in Older People: Clinical and Research Perspectives”, and "Progressive Neurologocal Conditions and Their Impact on Psychological Well-being in Later Life". She is lead collaborator of the international working groups focused on anxiety in Parkinson’s disease and MRI in Parkinson's disease. Her publications record over the past 10 years places her in the top 10% of the Associate Professors in the relevant field of Psychology according to the Go8 Universities productivity and citations.
Grants and Awards: Prof. Dissanayaka has received continuous funding via 3 competitive fellowships (including NHMRC) and 25 competitive research grants (>90% lead investigator). Her grant record includes international awards such as the prestigious NARSAD Young Investigator International award 2018 from the United States Brain & Behaviour Research Foundation. She is also a recipient of 2 Outstanding Young Researcher Awards in 2013, 2015 & 2023, Oustanding UQCCR PhD Supervisor Award in 2020, and the Faculty of Medicine Future Leaders Award in 2021.
Supervision: Prof. Dissanayaka holds an outstanding record of supervision in disciplines of Psychology, Medicine, Biomedical Sciences, and Pharmacy, and has supervised over 100 students, >10 postdocs and 7 Research assistants. Under her primary supervision, 23 students completed research thesis (6 PhD, 8 DPsyc, 3 MPsyc and 6 Honours) and >45 Psychology Advanced Trainees within research capacity.
Community Engagement and Professional Involvement: Prof. Dissanayaka is an author of >150 conference abstracts, >50 invited seminars, and >25 media reports. She is an advocate for the Lions Medical Research Foundation, and Royal Brisbane & Woman's Hospital Foundation. Prof. Dissanayaka was a member of the UQ Low and Negligible Risk Ethics Committee, and UQCCR Career Development Committee. She is chair of the UQCCR Research Committee. She established and led the UQCCR Consumer & Communittee Involvement (CCI) Committee, and also a member of the Faculty of Medicine CCI working group. Prof. Dissanayaka was the current chair of the Dementia Centre for Research Collaboration Anxiety and Depression in Dementia Research Network, and co-chair of the Australian Dementia Network (ADNet) Early/ Mid career researcher Accelerator group. Her international recognition is supported by the leadership in Parkinson's disease MRI consortium, and Anxiety in Parkinson's disease consortium. She is a current member of the Australian Cognitive Neurosciences Society, and International Movement Disorders Society, a peer reviewer for >20 journals, and a grant reviewer for NHMRC.
Works
Search Professor Nadeeka Dissanayaka’s works on UQ eSpace
2018
Journal Article
How well do caregivers detect depression and anxiety in patients with Parkinson disease?
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
2018
Conference Publication
Residential aged care: industry and education taking a contact theory approach
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.
2018
Conference Publication
The Good Neighbour Program: An innovative social support/educational integrated intervention in residential aged-care
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.
2018
Conference Publication
Attitudes towards Residential Aged Care (RAC): A contact theory approach
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.
2018
Conference Publication
An integrative approach to management of behavioural and psychological symptoms in dementia
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.
2017
Journal Article
Caregiver burden in Parkinson disease: a critical review of recent literature
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
2017
Journal Article
Lexical ambiguity resolution during sentence processing in Parkinson's disease: an event-related potential study
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
2017
Journal Article
N400 and emotional word processing in Parkinson's disease
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
2017
Journal Article
Anxiety is associated with cognitive impairment in newly-diagnosed Parkinson's disease
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
2017
Conference Publication
Impaired semantic fluency in Parkinson’s disease with mild cognitive impairment: a fMRI study
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.
2017
Journal Article
A neurophysiological study of semantic processing in Parkinson’s disease
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
2017
Conference Publication
Improving diagnosis and treatment of anxiety in Parkinson’s disease: IDATA-PD study
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.
2017
Conference Publication
Understanding neural activation in semantic fluency in Parkinson’s disease with mild cognitive impairment
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.
2017
Conference Publication
Understanding neural activation in semantic fluency in Parkinson’s disease with mild cognitive impairment
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.
2017
Conference Publication
Validity and reliability of anxiety and neuroticism assessment in Parkinson’s disease
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.
2017
Conference Publication
Attention network in Parkinson’s disease with mild cognitive impairment: an event-related fMRI study
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.
2017
Conference Publication
Anxiety in patients with cognitive impairment and Parkinson’s disease
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.
2017
Conference Publication
The Good Neighbour Program
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.
2017
Conference Publication
Altered attention brain network in Parkinson’s disease with mild cognitive impairment
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.
2017
Conference Publication
Improving Diagnosis and Treatment of Anxiety in Older Adults with Parkinson’s Disease (IDATA-PD STUDY)
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.
Funding
Current funding
Supervision
Availability
- Professor Nadeeka Dissanayaka is:
- Available for supervision
Before you email them, read our advice on how to contact a supervisor.
Available projects
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1. PhD Scholarship available: Understanding the barriers and facilitators of delivering a technology-assisted telehealth psychotherapy intervention to people with dementia
As part of the study, we will undertake a process evaluation to assess treatment fidelity, dose and contextual factors that may influence effectiveness, to inform future implementation in community and memory clinic settings. The PhD project will focus on developing the future implementation framework for Tech-CBT. This project would suit someone with a background in psychology or health sciences.
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2. Neurobiology of Anxiety in Older Persons: fMRI study
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3. Virtual Reality based Psychological Interventions for Parkinson's disease and Dementia
Supervision history
Current supervision
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Doctor Philosophy
Delirium in hospital. Challenging times call for digital measures.
Principal Advisor
Other advisors: Professor Gerard Byrne, Dr Peter Worthy, Professor Juha Toyras
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Doctor Philosophy
Development and implementation of a standardised toolkit to improve evaluation of cognitive impairment in Parkinsons disease
Principal Advisor
Other advisors: Dr Leander Mitchell, Dr Deborah Brooks
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Doctor Philosophy
Technology-assisted telehealth psychotherapy intervention for people with dementia
Principal Advisor
Other advisors: Dr Leander Mitchell, Dr Deborah Brooks
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Doctor Philosophy
Business models and implementation roadmap for rapid translation of PDCogniCare Intervention into healthcare
Principal Advisor
Other advisors: Professor Martie-Louise Verreynne, Associate Professor Sam MacAulay
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Doctor Philosophy
DEVELOPMENT OF A PICTURE-BASED QUALITY-OF-LIFE ASSESSMENT TOOL FOR PEOPLE LIVING WITH DEMENTIA
Associate Advisor
Other advisors: Associate Professor Anthony Angwin, Professor Tracy Comans
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Doctor Philosophy
Physiologic Signal Correlates of Vigilance Related Cognitive Decline in Patients with Obstructive Sleep Apnoea
Associate Advisor
Other advisors: Dr Udantha Abeyratne
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Doctor Philosophy
Dopaminergic regulation of new word learning
Associate Advisor
Other advisors: Professor David Copland, Associate Professor Anthony Angwin
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Doctor Philosophy
Physiologic Signal Correlates of Vigilance Related Cognitive Decline in Patients with Obstructive Sleep Apnoea
Associate Advisor
Other advisors: Dr Udantha Abeyratne
Completed supervision
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2024
Doctor Philosophy
Development and feasibility evaluation of a psychotherapy intervention for anxiety in persons living with cognitive impairment delivered via videoconferencing
Principal Advisor
Other advisors: Professor Gerard Byrne, Associate Professor Jacki Liddle, Dr Leander Mitchell
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2023
Doctor Philosophy
Cognitive subtypes in Parkinson's disease: exploring phenotypes, neuroimaging targets, and therapeutics
Principal Advisor
Other advisors: Professor Gerard Byrne, Associate Professor John O'Sullivan, Dr Ji Hyun Julia Yang
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2023
Doctor Philosophy
Towards Better Mental Health Care: Management of Behavioural and Psychological Symptoms within Residential Aged Care Facilities
Principal Advisor
Other advisors: Professor Gerard Byrne
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2020
Doctor Philosophy
Markers and Mechanisms of Mild Cognitive Impairment in Parkinson's disease
Principal Advisor
Other advisors: Professor Gerard Byrne, Professor David Copland
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2025
Doctor Philosophy
Physiologic Signal Correlates of Vigilance Related Cognitive Decline in Patients with Obstructive Sleep Apnoea
Associate Advisor
Other advisors: Dr Udantha Abeyratne
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2019
Doctor Philosophy
Twillight or dimlight? Attitudes towards residential aged care and implementation of an learning integrated intervention designed to shift attitudes.
Associate Advisor
Other advisors: Associate Professor Theresa Scott, Professor Nancy Pachana
Media
Enquiries
Contact Professor Nadeeka Dissanayaka directly for media enquiries about:
- Anxiety
- Cognitive Behaviour Therapy
- Dementia
- Depression
- Mindfulness
- Parkinson's diisease
- Psychotropic Prescriptions
- Residential Aged Care
- Virtual Reality
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