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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: 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

288 works between 2004 and 2025

241 - 260 of 288 works

2012

Journal Article

Compulsive use of dopamine replacement therapy: a model for stimulant drug addiction?

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

Compulsive use of dopamine replacement therapy: a model for stimulant drug addiction?

2012

Conference Publication

Abnormalities in emotional processing associated with anxiety in Parkinson’s disease

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.

Abnormalities in emotional processing associated with anxiety in Parkinson’s disease

2012

Conference Publication

Drug induced impulse control disorders: a prospectus for neuroethical analysis

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.

Drug induced impulse control disorders: a prospectus for neuroethical analysis

2012

Conference Publication

Subcortical activity during verbal selection and suppression in Parkinson's Disease

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

Subcortical activity during verbal selection and suppression in Parkinson's Disease

2012

Conference Publication

Frontostriatal circuit dysfunction in parkinson's disease during verbal suppression: evidence from functional neuroimaging

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.

Frontostriatal circuit dysfunction in parkinson's disease during verbal suppression: evidence from functional neuroimaging

2012

Conference Publication

Abnormal event related brain potentials generated while processing emotional information in anxious Parkinson’s disease patients

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.

Abnormal event related brain potentials generated while processing emotional information in anxious Parkinson’s disease patients

2012

Conference Publication

Characterizing anxiety in Parkinson’s disease: clinical symptoms and neurophysiological markers

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.

Characterizing anxiety in Parkinson’s disease: clinical symptoms and neurophysiological markers

2012

Conference Publication

Neural mechanisms underlying emotional processing in healthy older adults: electrophysiological correlates of visual affective word processing

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

Neural mechanisms underlying emotional processing in healthy older adults: electrophysiological correlates of visual affective word processing

2012

Conference Publication

Neural correlates of emotional processing in Parkinson’s disease and the influence of affective disturbances

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

Neural correlates of emotional processing in Parkinson’s disease and the influence of affective disturbances

2012

Conference Publication

Depression and anxiety in Parkinson’s disease

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.

Depression and anxiety in Parkinson’s disease

2011

Journal Article

Factors associated with depression in Parkinson's disease

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

Factors associated with depression in Parkinson's disease

2011

Journal Article

Impulse control disorders in patients with Parkinson's disease receiving dopamine replacement therapy: Evidence and implications for the addictions field

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

Impulse control disorders in patients with Parkinson's disease receiving dopamine replacement therapy: Evidence and implications for the addictions field

2011

Conference Publication

Abnormal event related brain potentials generated while processing emotional information in anxious Parkinson’s disease patients

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.

Abnormal event related brain potentials generated while processing emotional information in anxious Parkinson’s disease patients

2011

Conference Publication

Assessment methods and factors associated with depression in Parkinson's disease

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

Assessment methods and factors associated with depression in Parkinson's disease

2011

Conference Publication

Abnormal event related brain potentials generated while processing emotional information in anxious Parkinson’s disease patients

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.

Abnormal event related brain potentials generated while processing emotional information in anxious Parkinson’s disease patients

2011

Conference Publication

Abnormal event related brain potentials generated while processing emotional information in anxious Parkinson’s disease patients

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.

Abnormal event related brain potentials generated while processing emotional information in anxious Parkinson’s disease patients

2010

Journal Article

Anxiety Disorders in Parkinson's Disease: Prevalence and Risk Factors

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

Anxiety Disorders in Parkinson's Disease: Prevalence and Risk Factors

2010

Journal Article

Ex-Wallaby to Tackle Illness

Dissanayaka, N. (2010, 01 01). Ex-Wallaby to Tackle Illness Courier Mail

Ex-Wallaby to Tackle Illness

2010

Other Outputs

Anxiety and depression in Parkinson's disease

Dissanayaka, N. (2010). Anxiety and depression in Parkinson's disease. Springwood, QLD, Australia: Parkinson’s Queensland .

Anxiety and depression in Parkinson's disease

2010

Conference Publication

Factors associated with freezing of gait in Parkinson’s disease

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.

Factors associated with freezing of gait in Parkinson’s disease

Funding

Current funding

  • 2025
    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
  • 2023 - 2027
    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 - 2025
    Dementia Connect
    Prince Charles Hospital Foundation
    Open grant
  • 2022 - 2025
    Neuropsychiatry in Parkinson's Disease Research Program Project 1 of 4
    Research Donation Generic
    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

Past funding

  • 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
    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

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Available projects

Supervision history

Current supervision

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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