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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

121 - 140 of 288 works

2020

Conference Publication

Investigating resting state functional connectivity in sub-phenotypes of Mild Cognitive Impairment in Parkinson’s disease

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.

Investigating resting state functional connectivity in sub-phenotypes of Mild Cognitive Impairment in Parkinson’s disease

2020

Conference Publication

Identification and clinical characteristics of mild cognitive impairment in Parkinson’s disease

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).

Identification and clinical characteristics of mild cognitive impairment in Parkinson’s disease

2020

Journal Article

Psychosocial factors and perceived tremor disability in essential tremor

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

Psychosocial factors and perceived tremor disability in essential tremor

2020

Conference Publication

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

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.

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

2020

Conference Publication

Improving identification and Treatmentf depression and anxiety in dementia: an integrated approach

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.

Improving identification and Treatmentf depression and anxiety in dementia: an integrated approach

2019

Journal Article

Preliminary Research: Virtual Reality in Residential Aged Care to reduce apathy and improve mood

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

Preliminary Research: Virtual Reality in Residential Aged Care to reduce apathy and improve mood

2019

Journal Article

Report from a multidisciplinary meeting on anxiety as a non-motor manifestation of Parkinson's disease

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

Report from a multidisciplinary meeting on anxiety as a non-motor manifestation of Parkinson's disease

2019

Journal Article

Factors related to sleep disturbances for individuals with Parkinson's disease: A regional perspective

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

Factors related to sleep disturbances for individuals with Parkinson's disease: A regional perspective

2019

Journal Article

Shaping attitudes: the association between prior contact with residential aged care and resistance to enter residential aged care

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

Shaping attitudes: the association between prior contact with residential aged care and resistance to enter residential aged care

2019

Journal Article

Protocol: using N-of-1 tests to identify responders to melatonin for sleep disturbance in Parkinson's disease

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

Protocol: using N-of-1 tests to identify responders to melatonin for sleep disturbance in Parkinson's disease

2019

Journal Article

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

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

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

2019

Journal Article

Source activity during emotion processing and its relationship to cognitive impairment in Parkinson's disease

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

Source activity during emotion processing and its relationship to cognitive impairment in Parkinson's disease

2019

Journal Article

Depression symptomatology correlates with event-related potentials in Parkinson's disease: an affective priming study

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

Depression symptomatology correlates with event-related potentials in Parkinson's disease: an affective priming study

2019

Conference Publication

A balanced mental health score card for residential aged care: development and validation

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.

A balanced mental health score card for residential aged care: development and validation

2019

Book Chapter

Progressive Neurological Conditions and Their Impact on Psychological Well-Being in Later Life

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

Progressive Neurological Conditions and Their Impact on Psychological Well-Being in Later Life

2019

Conference Publication

Parkinson’s disease care partner psychological health and wellbeing: a proposed assessment and treatment paradigm

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.

Parkinson’s disease care partner psychological health and wellbeing: a proposed assessment and treatment paradigm

2019

Conference Publication

Identifying altered resting-state network in Parkinson's disease with mild cognitive impairment

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.

Identifying altered resting-state network in Parkinson's disease with mild cognitive impairment

2019

Journal Article

Unmasking neurobiological commonalities between addictive disorders and impulse control disorders in Parkinson’s disease

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

Unmasking neurobiological commonalities between addictive disorders and impulse control disorders in Parkinson’s disease

2019

Journal Article

Integration and extension of specialty mental healthcare services to community practice in Parkinson disease

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

Integration and extension of specialty mental healthcare services to community practice in Parkinson disease

2019

Conference Publication

Anxiety in Parkinson’s disease: symptoms, frequency and neurobiology

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.

Anxiety in Parkinson’s disease: symptoms, frequency and neurobiology

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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