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Professor Nadeeka Dissanayaka
Professor

Nadeeka Dissanayaka

Email: 

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

Qualifications

  • Bachelor (Honours) of Science (Advanced), The University of Queensland
  • Doctor of Philosophy, The University of Queensland

Research interests

  • New diagnostic methods to identify anxiety in dementia and Parkinson's disease

  • Neuroimaging (EEG and fMRI) and psychophysiological markers

  • New psychological treatments using innovative technologies such as telehealth, virtual reality and mobile phones

  • Novel psychosocial interventions in residential aged care facilities

  • Adverse effects of pharmacological treatment including prescription of psychotropic medication in elderly

Research impacts

Research: Professor Dissanayaka's research is delivering measurable improvements in the diagnosis, treatment, and management of cognitive and emotional health conditions in older adults. Through nationally funded research programs, she is addressing critical gaps in the early detection of dementia in Parkinson's disease and expanding access to evidence-based psychological therapies through innovative digital and technology-assisted approaches.

Her research has led to the development of novel clinical tools, including the Parkinson's Disease-Specific Anxiety Inventory (PDSAI), which supports the identification and management of anxiety in Parkinson's disease. She has also developed and evaluated new psychotherapeutic interventions and technology-enabled models of care that improve mental wellbeing, independence, and quality of life for people living with dementia and Parkinson's disease.

By working closely with consumers, health services, aged care providers, and industry partners, Professor Dissanayaka ensures that research findings are translated into practical solutions that strengthen clinical practice, enhance aged care services, and support better outcomes for patients and families. Her programs have secured substantial competitive funding (including NHMRC and MRFF grants) and continue to drive innovation in digital health, virtual reality, telehealth, and mental health care for ageing populations. Her contributions have been recognised through numerous prestigious awards for research excellence, leadership, and research training.

Training: Professor Dissanayaka has made a significant contribution to research capacity building through the supervision and mentorship of students, trainees, and early and mid- career researchers across psychology, medicine, public health, pharmacy, and biomedical sciences. Through her commitment to interdisciplinary training and research excellence, she is helping to develop the next generation of clinician-scientists, healthcare professionals, and research leaders.

Community: As a strong advocate for research translation, Professor Dissanayaka's work has influenced the development of new diagnostic pathways, psychotherapeutic interventions, and technology-enabled models of care that support patients, families, clinicians, and aged care providers. Her research informs clinical practice, health service innovation, and policy development, contributing to better mental health, cognitive health, and quality of life for older people. Through strategic partnerships and research translation initiatives, Professor Dissanayaka is advancing evidence-based innovations that influence clinical practice, healthcare policy, and service delivery, generating meaningful benefits for ageing populations, healthcare systems, and communities worldwide.

Works

Search Professor Nadeeka Dissanayaka’s works on UQ eSpace

316 works between 2004 and 2026

201 - 220 of 316 works

2017

Conference Publication

Electrophysiological markers for emotional and cognitive impairment in Parkinson’s disease

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.

Electrophysiological markers for emotional and cognitive impairment in Parkinson’s disease

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. The Movement Disorder Society of Australia and New Zealand Scientific Conference, Gold Coast, QLD Australia, 22 September 2017.

Altered attention brain network in Parkinson’s disease with mild cognitive impairment

2017

Conference Publication

Prescribing of psychotropic drugs in residential aged care: variations and indicators for use across homes and in residents with and without dementia

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.

Prescribing of psychotropic drugs in residential aged care: variations and indicators for use across homes and in residents with and without dementia

2017

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. (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.

The Good Neighbour Program: An innovative social support/educational integrated intervention in residential aged-care

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. Centre for Advanced Imaging 4th Annual Symposium, Brisbane, Australia, 29 September 2017.

Altered attention brain network in Parkinson’s disease with mild cognitive impairment

2017

Conference Publication

EEG Markers for Emotional Inhibition in Parkinson’s Disease

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.

EEG Markers for Emotional Inhibition in Parkinson’s Disease

2017

Conference Publication

Investigating the Association between Anxiety and Cognitive Impairment in Parkinson’s Disease: A Descriptive Study

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.

Investigating the Association between Anxiety and Cognitive Impairment in Parkinson’s Disease: A Descriptive Study

2017

Conference Publication

Variations in mental health assessment and psychotropic practices in Residential Aged Care

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.

Variations in mental health assessment and psychotropic practices in Residential Aged Care

2017

Conference Publication

Impairments in functional networks linked to attentional deficits in mild cognitive impairment MCI in patients with Parkinson’s disease

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.

Impairments in functional networks linked to attentional deficits in mild cognitive impairment MCI in patients with Parkinson’s disease

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.

Impaired semantic fluency in Parkinson’s disease with mild cognitive impairment: a fMRI study

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

A neurophysiological study of semantic processing in Parkinson’s disease

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.

Improving diagnosis and treatment of anxiety in Parkinson’s disease: IDATA-PD study

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.

Understanding neural activation in semantic fluency in Parkinson’s disease with mild cognitive impairment

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.

Understanding neural activation in semantic fluency in Parkinson’s disease with mild cognitive impairment

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.

Validity and reliability of anxiety and neuroticism assessment in Parkinson’s disease

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.

Attention network in Parkinson’s disease with mild cognitive impairment: an event-related fMRI study

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.

Anxiety in patients with cognitive impairment and Parkinson’s disease

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.

The Good Neighbour Program

2016

Journal Article

Cognitive behavior therapy for anxiety in Parkinson’s disease: outcomes for patients and caregivers

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

Cognitive behavior therapy for anxiety in Parkinson’s disease: outcomes for patients and caregivers

2016

Journal Article

Management of impulse control disorders in Parkinson's disease

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

Management of impulse control disorders in Parkinson's disease

Funding

Current funding

  • 2023 - 2028
    Enhancing utility of neuropsychological evaluation for earlier and effective diagnosis of dementia in Parkinson's disease
    NHMRC MRFF Dementia, Ageing and Aged Care Mission
    Open grant
  • 2022 - 2026
    Neuropsychiatry in Parkinson's Disease Research Program Project 1 of 4
    Research Donation Generic
    Open grant

Past funding

  • 2025 - 2026
    Enhancing Navigation and Access to Cognitive-friendly Technologh (ENACT): Developing a Roadmap for Technology Design
    auDA Community Grant
    Open grant
  • 2024 - 2026
    Improving the mental health of residents with dementia: Pilot-testing a Mental Health Care Indicator Tool within residential aged care homes
    Dementia Australia Research Foundation
    Open grant
  • 2022 - 2025
    Dementia Connect
    Prince Charles Hospital Foundation
    Open grant
  • 2022 - 2024
    Towards better mental health of people with dementia within Residential Aged Care: Co-design of a performance measurement tool to aid RAC organisational governance
    Dementia Australia Research Foundation Project Grants
    Open grant
  • 2021 - 2026
    Technology Assisted and Remotely Delivered Anxiety Psychotherapy Intervention for People living with Dementia and Their Care Partners (Tech-CBT)
    NHMRC MRFF Dementia, Ageing and Aged Care Mission
    Open grant
  • 2021
    Uncovering a novel therapeutic target to reduce dementia risk in Parkinson¿s disease (TRIP)
    Royal Brisbane and Women's Hospital Foundation
    Open grant
  • 2021 - 2022
    Uncovering a novel therapeutic target to reduce dementia risk in Parkinson's disease
    Metro North Hospital and Health Service
    Open grant
  • 2021 - 2022
    Uncovering a novel therapeutic target to reduce dementia risk in Parkinson's disease (TRIP study)
    Metro North Hospital and Health Service
    Open grant
  • 2018 - 2021
    A feasibility study of cognitive behavior therapy with virtual reality and biofeedback systems to treat anxiety in Parkinson's disease
    Brain and Behavior Research Foundation
    Open grant
  • 2018 - 2024
    Treatment of Anxiety and Depression in Dementia
    NHMRC Boosting Dementia Research Leadership Fellowship
    Open grant
  • 2018 - 2019
    Virtual reality innovation to treat anxiety in patients with cognitive impairment and Parkinson's Disease
    Metro North Hospital and Health Service
    Open grant
  • 2017 - 2018
    Anxiety and cognitive decline in Parkinson's disease
    Royal Brisbane and Women's Hospital Foundation
    Open grant
  • 2016 - 2017
    Cognitive behaviour therapy for anxiety in Parkinson's disease: outcomes for patients and caregivers
    Royal Brisbane and Women's Hospital Foundation
    Open grant
  • 2015 - 2016
    Mindfulness therapy for depression, anxiety, motor and cognitive dysfunction in Parkinson's disease
    Royal Brisbane and Women's Hospital
    Open grant
  • 2014 - 2016
    Developing a non-invasive composite measure to enhance accuracy of identifying anxiety in Parkinson's disease
    Royal Brisbane and Women's Hospital
    Open grant
  • 2013 - 2019
    Lions Medical Research Fellowship: New methods to diagnose and treat depression and anxiety in Parkinson's disease patients
    Lions Medical Research Foundation
    Open grant
  • 2013 - 2014
    Characterising anxiety in Parkinson's disease: A psycholinguistic and psychophysiology study comparing to anxious older adults
    Royal Brisbane & Women's Hospital Research Foundation
    Open grant
  • 2013 - 2015
    The effects of a wearable, freeze detecting cueing device and venlafaxine on domiciliary freezing of gait and falling in Parkinson's Disease
    Royal Brisbane and Women's Hospital
    Open grant
  • 2012 - 2013
    Cognitive sequence in Parkinson's disease: Identifying the neural substrates
    Parkinson's Queensland Inc
    Open grant
  • 2012
    Cognitive behaviour therapy to treat anxiety and depression in Parkinson's Disease
    UWA-UQ Bilateral Research Collaboration Award
    Open grant
  • 2012 - 2013
    Improving diagnostic methods of anxiety disorders in Parkinson's disease: Phase 2
    Royal Brisbane & Women's Hospital Research Foundation
    Open grant
  • 2011 - 2013
    Improving diagnostic methods of anxiety disorders in Parkinson's disease
    Royal Brisbane & Women's Hospital Research Foundation
    Open grant
  • 2011 - 2013
    Novel methods for early detection of anxiety in Parkinson's disease
    Parkinson's Queensland Inc
    Open grant

Supervision

Availability

Professor Nadeeka Dissanayaka is:
Available for supervision

Looking for a supervisor? Read our advice on how to choose a supervisor.

Available projects

Supervision history

Current supervision

  • Doctor Philosophy

    Delirium in hospital. Challenging times call for digital measures.

    Principal Advisor

    Other advisors: Dr Peter Worthy

  • 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

  • Doctor Philosophy

    Technology-assisted telehealth psychotherapy intervention for people with dementia

    Principal Advisor

    Other advisors: Dr Leander Mitchell, Dr Deborah Brooks

  • 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

  • Doctor Philosophy

    Assistive technologies for integrated cognitive and motor rehabilitation of stroke survivors in India

    Associate Advisor

    Other advisors: Associate Professor Devi Mohan

Completed supervision

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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