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Professor Nadeeka Dissanayaka
Professor

Nadeeka Dissanayaka

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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

61 - 80 of 288 works

2022

Conference Publication

Semantic fluency and its associated brain activity in Parkinson’s disease with mild cognitive impairment

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.

Semantic fluency and its associated brain activity in Parkinson’s disease with mild cognitive impairment

2021

Conference Publication

Psychotherapy via telehealth to reduce anxiety in persons living with cognitive impairment

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.

Psychotherapy via telehealth to reduce anxiety in persons living with cognitive impairment

2021

Conference Publication

Achieving person-centred mental health care within residential aged care: co-design of a performance measurement tool. Making person-centred care a reality

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.

Achieving person-centred mental health care within residential aged care: co-design of a performance measurement tool. Making person-centred care a reality

2021

Conference Publication

Using N-of-1 tests to identify responders to melatonin for sleep disturbance in Parkinson’s Disease

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.

Using N-of-1 tests to identify responders to melatonin for sleep disturbance in Parkinson’s Disease

2021

Conference Publication

Remote delivery of technology assisted psychotherapy for people living with dementia in the community

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.

Remote delivery of technology assisted psychotherapy for people living with dementia in the community

2021

Journal Article

Anxiety in Parkinson's Disease: a systematic review of neuroimaging studies

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

Anxiety in Parkinson's Disease: a systematic review of neuroimaging studies

2021

Journal Article

Anxiety disorders are associated with verbal memory impairment in patients with Parkinson’s disease without dementia

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

Anxiety disorders are associated with verbal memory impairment in patients with Parkinson’s disease without dementia

2021

Journal Article

Feasibility of group-based multiple virtual reality sessions to reduce behavioral and psychological symptoms in persons living in residential aged care

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

Feasibility of group-based multiple virtual reality sessions to reduce behavioral and psychological symptoms in persons living in residential aged care

2021

Journal Article

Hippocampal correlates of episodic memory in Parkinson's disease: A systematic review of magnetic resonance imaging studies

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

Hippocampal correlates of episodic memory in Parkinson's disease: A systematic review of magnetic resonance imaging studies

2021

Conference Publication

Therapy to reduce dementia risk in Parkinson’s disease (TRIP): Proof-of-concept protocol

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.

Therapy to reduce dementia risk in Parkinson’s disease (TRIP): Proof-of-concept protocol

2021

Conference Publication

Telehealth psychotherapy for anxiety in older persons with cognitive impairment (Tele-CBT): a mixed methods pilot study

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.

Telehealth psychotherapy for anxiety in older persons with cognitive impairment (Tele-CBT): a mixed methods pilot study

2021

Journal Article

Defining atypical anxiety in Parkinson's disease

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

Defining atypical anxiety in Parkinson's disease

2021

Journal Article

Neural correlates of attentional deficits in Parkinson’s disease patients with mild cognitive impairment

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

Neural correlates of attentional deficits in Parkinson’s disease patients with mild cognitive impairment

2021

Conference Publication

Involvement of cerebellum during task based and resting state fMRI in Parkinson’s disease with mild cognitive impairment

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.

Involvement of cerebellum during task based and resting state fMRI in Parkinson’s disease with mild cognitive impairment

2021

Book Chapter

Anxiety in Parkinson’s disease

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.

Anxiety in Parkinson’s disease

2021

Conference Publication

Changes in the cerebellar activity during task based and resting state fMRI in Parkinson’s disease patients with mild cognitive impairment

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.

Changes in the cerebellar activity during task based and resting state fMRI in Parkinson’s disease patients with mild cognitive impairment

2021

Conference Publication

Systematic review of Magnetic Resonance Imaging studies exploring hippocampal correlates of episodic memory in Parkinson’s disease

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.

Systematic review of Magnetic Resonance Imaging studies exploring hippocampal correlates of episodic memory in Parkinson’s disease

2021

Conference Publication

Semantic fluency and its associated brain activity in Parkinson’s disease with mild cognitive impairment

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.

Semantic fluency and its associated brain activity in Parkinson’s disease with mild cognitive impairment

2021

Conference Publication

Investigating resting state functional connectivity in sub-phenotypes of mild cognitive impairment in Parkinson’s disease

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.

Investigating resting state functional connectivity in sub-phenotypes of mild cognitive impairment in Parkinson’s disease

2021

Conference Publication

Towards better mental health within residential aged care: formulation of a performance measurement tool to aid organisational governance

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.

Towards better mental health within residential aged care: formulation of a performance measurement tool to aid organisational governance

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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