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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

21 - 40 of 288 works

2023

Journal Article

Optimising verbal fluency analysis in neurological patients with dysarthria: examples from Parkinson’s disease and hereditary ataxia

Li, Yanjun, Yang, Jihyun, Evans, Kristine, Wong, Jasmine Bow-Wah, Dissanayaka, Nadeeka N. and Vogel, Adam P. (2023). Optimising verbal fluency analysis in neurological patients with dysarthria: examples from Parkinson’s disease and hereditary ataxia. Journal of Clinical and Experimental Neuropsychology, 45 (5), 452-463. doi: 10.1080/13803395.2023.2249172

Optimising verbal fluency analysis in neurological patients with dysarthria: examples from Parkinson’s disease and hereditary ataxia

2023

Journal Article

Longitudinal follow up of data‐driven cognitive subtypes in Parkinson's disease

Pourzinal, Dana, Yang, Jihyun, Sivakumaran, Kumareshan, McMahon, Katie L., Mitchell, Leander, O'Sullivan, John D., Byrne, Gerard J. and Dissanayaka, Nadeeka N. (2023). Longitudinal follow up of data‐driven cognitive subtypes in Parkinson's disease. Brain and Behavior, 13 (10) e3218, e3218. doi: 10.1002/brb3.3218

Longitudinal follow up of data‐driven cognitive subtypes in Parkinson's disease

2023

Journal Article

Frequency of changed behaviours in residential aged care and common mitigation strategies – A retrospective review of behavioural report logs

Brimelow, Rachel, Beattie, Elizabeth, Byrne, Gerard and Dissanayaka, Nadeeka (2023). Frequency of changed behaviours in residential aged care and common mitigation strategies – A retrospective review of behavioural report logs. Journal of Clinical Nursing, 32 (15-16), 4771-4781. doi: 10.1111/jocn.16531

Frequency of changed behaviours in residential aged care and common mitigation strategies – A retrospective review of behavioural report logs

2023

Journal Article

Adaptation of an electronic delirium screening tool for use in the medical setting based on a human centered design approach

Eeles, Eamonn, Tronstad, Oystein, Flaws, Dylan, Teodorczuk, Andrew, Worthy, Peter and Dissanayaka, Nadeeka (2023). Adaptation of an electronic delirium screening tool for use in the medical setting based on a human centered design approach. Delirium Communications. doi: 10.56392/001c.77497

Adaptation of an electronic delirium screening tool for use in the medical setting based on a human centered design approach

2023

Journal Article

Anxiety symptoms in Australian memory clinic attendees with cognitive impairment: differences between self-, carer-, and clinician-report measures

Pacas Fronza, Gabriela, Byrne, Gerard, Appadurai, Kana, Pachana, Nancy and Dissanayaka, Nadeeka N. W. (2023). Anxiety symptoms in Australian memory clinic attendees with cognitive impairment: differences between self-, carer-, and clinician-report measures. Clinical Gerontologist, 47 (2), 215-223. doi: 10.1080/07317115.2023.2231940

Anxiety symptoms in Australian memory clinic attendees with cognitive impairment: differences between self-, carer-, and clinician-report measures

2023

Journal Article

A single-blind, parallel-group randomised trial of a technology-assisted and remotely delivered cognitive behavioural therapy intervention (Tech-CBT) versus usual care to reduce anxiety in people with mild cognitive impairment and dementia: study protocol for a randomised trial

Dissanayaka, Nadeeka, Brooks, Deborah, Worthy, Peter, Mitchell, Leander, Pachana, Nancy A., Byrne, Gerard, Keramat, Syed Afroz, Comans, Tracy, Bennett, Sally, Liddle, Jacki, Chatfield, Mark D., Broome, Annette, Oram, Joanne, Appadurai, Kanaganayagam, Beattie, Elizabeth, Au, Tiffany, King, Teagan, Welsh, Kimberley and Pietsch, Ann (2023). A single-blind, parallel-group randomised trial of a technology-assisted and remotely delivered cognitive behavioural therapy intervention (Tech-CBT) versus usual care to reduce anxiety in people with mild cognitive impairment and dementia: study protocol for a randomised trial. Trials, 24 (1) 420, 1-17. doi: 10.1186/s13063-023-07381-2

A single-blind, parallel-group randomised trial of a technology-assisted and remotely delivered cognitive behavioural therapy intervention (Tech-CBT) versus usual care to reduce anxiety in people with mild cognitive impairment and dementia: study protocol for a randomised trial

2023

Journal Article

Global assessment, cognitive profile, and characteristics of mild cognitive impairment in Parkinson's disease

Yang, Jihyun, Pourzinal, Dana, Byrne, Gerard J., McMahon, Katie L., Copland, David A., O’Sullivan, John D., Mitchell, Leander and Dissanayaka, Nadeeka N. (2023). Global assessment, cognitive profile, and characteristics of mild cognitive impairment in Parkinson's disease. International Journal of Geriatric Psychiatry, 38 (6) e5955, e5955. doi: 10.1002/gps.5955

Global assessment, cognitive profile, and characteristics of mild cognitive impairment in Parkinson's disease

2023

Conference Publication

Reduction of anxiety symptoms in people living with cognitive impairment after CBT-based telehealth psychotherapy: results from a pilot trial

Pacas Fronza, G., Mitchell, L., Pachana, N., Byrne, G., Liddle, J. and Dissanayaka, N. N. (2023). Reduction of anxiety symptoms in people living with cognitive impairment after CBT-based telehealth psychotherapy: results from a pilot trial. Australian Dementia Research Forum 2023, Gold Coast, QLD Australia, 29 - 31 May 2023.

Reduction of anxiety symptoms in people living with cognitive impairment after CBT-based telehealth psychotherapy: results from a pilot trial

2023

Conference Publication

Co-designing better conversations with smart assistants to support self-managed therapy practice

Worthy, P., Brooks, D., Pacas Fronza, G., Liddle, J., Mitchell, L., Pachana, N., Frost, D., Robertson, S. and Dissanayaka, N. (2023). Co-designing better conversations with smart assistants to support self-managed therapy practice. Australian Dementia Research Forum 2023, Gold Coast, QLD Australia, 29-31 May 2023.

Co-designing better conversations with smart assistants to support self-managed therapy practice

2023

Conference Publication

Barriers and facilitators to the delivery of CBT interventions to people with mild cognitive impairment and dementia: technology assisted and non-technology assisted approaches

Welsh, K., Brooks, D., Mitchell, L. and Dissanayaka, N. (2023). Barriers and facilitators to the delivery of CBT interventions to people with mild cognitive impairment and dementia: technology assisted and non-technology assisted approaches. Australian Dementia Research Forum 2023, Gold Coast, QLD Australia, 29-31 May 2023.

Barriers and facilitators to the delivery of CBT interventions to people with mild cognitive impairment and dementia: technology assisted and non-technology assisted approaches

2023

Conference Publication

Development of a digital training package to upskill psychologists in the delivery of a technology assisted CBT program (Tech-CBT) to target anxiety in people with mild cognitive impairment and dementia

King, T., Brooks, D., Worthy, P., Bennett, S., Liddle, J., Mitchell, L. and Dissanayaka, N. (2023). Development of a digital training package to upskill psychologists in the delivery of a technology assisted CBT program (Tech-CBT) to target anxiety in people with mild cognitive impairment and dementia. Australian Dementia Research Forum 2023, Gold Coast, QLD Australia, 29-31 May 2023.

Development of a digital training package to upskill psychologists in the delivery of a technology assisted CBT program (Tech-CBT) to target anxiety in people with mild cognitive impairment and dementia

2023

Conference Publication

Improving implementation: protocol for a mixed-methods process evaluation of a technology-assisted CBT program for anxiety in people living with mild cognitive impairment and dementia

Welsh, K., Brooks, D., Mitchell, L. and Dissanayaka, N. (2023). Improving implementation: protocol for a mixed-methods process evaluation of a technology-assisted CBT program for anxiety in people living with mild cognitive impairment and dementia. Australian Dementia Research Forum 2023, Gold Coast, QLD Australia, 29-31 May 2023.

Improving implementation: protocol for a mixed-methods process evaluation of a technology-assisted CBT program for anxiety in people living with mild cognitive impairment and dementia

2023

Conference Publication

New technology assisted interventions to combat anxiety and depression in dementia

Dissanayaka, N.N., Pacas Fronza, G., Mitchell, L., Pachana, N., Worthy, P., Byrne, G., Keramat, S.A., Comans, T., Bennett, S., Liddle, J., Chatfield, M., Broome, A., Oram, J., Appadurai, K., Beattie, E., Welsh, K., King, T., Brimelow, R., Burley, C., Pietsch, A., Brooks, D. and Au, T. (2023). New technology assisted interventions to combat anxiety and depression in dementia. Australian Dementia Research Forum 2023, Gold Coast, QLD Australia, 29-31 May 2023.

New technology assisted interventions to combat anxiety and depression in dementia

2023

Journal Article

Barriers and enablers for the implementation of trauma-informed care in healthcare settings: a systematic review

Huo, Yan, Couzner, Leah, Windsor, Tim, Laver, Kate, Dissanayaka, Nadeeka N. and Cations, Monica (2023). Barriers and enablers for the implementation of trauma-informed care in healthcare settings: a systematic review. Implementation Science Communications, 4 (1) 49, 1-20. doi: 10.1186/s43058-023-00428-0

Barriers and enablers for the implementation of trauma-informed care in healthcare settings: a systematic review

2023

Journal Article

Motivational and myopic mechanisms underlying dopamine medication-induced impulsive-compulsive behaviors in Parkinson's disease

Dawson, Andrew, Ortelli, Paola, Carter, Adrian, Ferrazzoli, Davide, Dissanayaka, Nadeeka N., Evans, Andrew, Chye, Yann, Lorenzetti, Valentina, Frazzitta, Giuseppe and Yücel, Murat (2023). Motivational and myopic mechanisms underlying dopamine medication-induced impulsive-compulsive behaviors in Parkinson's disease. Frontiers in Behavioral Neuroscience, 16 949406, 1-11. doi: 10.3389/fnbeh.2022.949406

Motivational and myopic mechanisms underlying dopamine medication-induced impulsive-compulsive behaviors in Parkinson's disease

2023

Conference Publication

A narrative review of the development and performance characteristics of electronic delirium screening tools

Eeles, E., Dissanayaka, N. and Teodorczuk, A. (2023). A narrative review of the development and performance characteristics of electronic delirium screening tools. European Delirium Association Conference 2023, Birmingham, United Kingdom, 6-8 September 2023.

A narrative review of the development and performance characteristics of electronic delirium screening tools

2023

Conference Publication

Real-world implementation of an electronic diagnostic support tool (AiD-DST) designed to identify the cause(s) of delirium. A study protocol and work in progress

Eeles, E., Teodorczuk, A. and Dissanayaka, N. (2023). Real-world implementation of an electronic diagnostic support tool (AiD-DST) designed to identify the cause(s) of delirium. A study protocol and work in progress. Australian Dementia Research Forum 2023, Gold Coast, QLD Australia, 29-31 May 2023.

Real-world implementation of an electronic diagnostic support tool (AiD-DST) designed to identify the cause(s) of delirium. A study protocol and work in progress

2023

Conference Publication

Real-world implementation of an electronic diagnostic support tool (AID-DST) designed to identify the cause(s) of delirium. A study protocol and work in progress

Eeles, Eamonn, Teodorczuk, A. and Dissanayaka, N. (2023). Real-world implementation of an electronic diagnostic support tool (AID-DST) designed to identify the cause(s) of delirium. A study protocol and work in progress. European Delirium Association Conference 2023, Birmingham, United Kingdom, 6 - 8 September 2023.

Real-world implementation of an electronic diagnostic support tool (AID-DST) designed to identify the cause(s) of delirium. A study protocol and work in progress

2023

Conference Publication

Towards better mental health of people living with dementia in residential aged care: Co-design of the Mental Health Care Indicator (MHICare) tool

Brooks, D., Sriram, D., Brimelow, R., Burley, C. and Dissanayaka, N. (2023). Towards better mental health of people living with dementia in residential aged care: Co-design of the Mental Health Care Indicator (MHICare) tool. Australian Dementia Research Forum 2023, Gold Coast, QLD, Australia, 29-31 May 2023.

Towards better mental health of people living with dementia in residential aged care: Co-design of the Mental Health Care Indicator (MHICare) tool

2023

Conference Publication

A framework for the measurement of phenomenal consciousness in delirium

Eeles, E., Teodorczuk, A. and Dissanayaka, N. (2023). A framework for the measurement of phenomenal consciousness in delirium. The Australian and New Zealand Society for Geriatric Medicine Annual Scientific Meeting 2023, Brisbane, QLD Australia, 10-12 May 2023.

A framework for the measurement of phenomenal consciousness in delirium

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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