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Associate Professor Nadeeka Dissanayaka
Associate Professor

Nadeeka Dissanayaka

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Overview

Background

Associate Professor Nadeeka Dissanayaka is a NHMRC Boosting Dementia Research Leadership 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 an honorary research fellow at Department of Neurology, Royal Brisbane & Women’s Hospital. 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 A/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

Associate 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: A/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: A/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: A/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: A/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. A/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. A/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

286 works between 2004 and 2024

1 - 20 of 286 works

2024

Journal Article

Interhemispheric asynchrony of NREM EEG at the beginning and end of sleep describes evening vigilance performance in patients undergoing diagnostic polysomnography

McCloy, Karen, Duce, Brett, Dissanayaka, Nadeeka, Hukins, Craig and Abeyratne, Udantha (2024). Interhemispheric asynchrony of NREM EEG at the beginning and end of sleep describes evening vigilance performance in patients undergoing diagnostic polysomnography. Physiological Measurement, 45 (11) 115002, 115002. doi: 10.1088/1361-6579/ad8f8f

Interhemispheric asynchrony of NREM EEG at the beginning and end of sleep describes evening vigilance performance in patients undergoing diagnostic polysomnography

2024

Journal Article

Capturing the ghost in the machine: a process for development and validation of measures of phenomenal consciousness in delirium

Eeles, Eamonn, Tran, David Duc, Ward, Sarah, Teodorczuk, Andrew, Ray, Julian, Miller, Tim and Dissanayaka, Nadeeka N. (2024). Capturing the ghost in the machine: a process for development and validation of measures of phenomenal consciousness in delirium. Age and Ageing, 53 (7) afae144. doi: 10.1093/ageing/afae144

Capturing the ghost in the machine: a process for development and validation of measures of phenomenal consciousness in delirium

2024

Journal Article

Profiling people with Parkinson's disease at risk of cognitive decline: Insights from PPMI and ICICLE‐PD data

Pourzinal, Dana, Lawson, Rachael A., Yarnall, Alison J., Williams‐Gray, Caroline H., Barker, Roger A., Yang, Jihyun, McMahon, Katie L., O'Sullivan, John D., Byrne, Gerard J. and Dissanayaka, Nadeeka N. (2024). Profiling people with Parkinson's disease at risk of cognitive decline: Insights from PPMI and ICICLE‐PD data. Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring, 16 (3) e12625, e12625. doi: 10.1002/dad2.12625

Profiling people with Parkinson's disease at risk of cognitive decline: Insights from PPMI and ICICLE‐PD data

2024

Conference Publication

Enhancing utility of neuropsychological evaluation for earlier and effective diagnosis of dementia in Parkinson’s disease: PDCogniCare project

Au, T., Bailey, D., Beattie, E., Brooks, D., Broome, A., Byrne, G., Chatfield, M., Dissanayaka, N., Keramat, S.A., Lehn, A., Liddle, J., Marsh, R., Mitchell, L., Naismith, S., Nestor, S., O’Sullivan, J., Pachana, N., Pourzinal, D., Robertson, S., Shrubsole, K., Sivakumaran, K., Spooner, D., Tinson, H., Verreynne, M.L., Worthy, P. and Yang, J. (2024). Enhancing utility of neuropsychological evaluation for earlier and effective diagnosis of dementia in Parkinson’s disease: PDCogniCare project. Australian Dementia Research Forum 2024, Gold Coast, QLD Australia, 3-5 June 2024.

Enhancing utility of neuropsychological evaluation for earlier and effective diagnosis of dementia in Parkinson’s disease: PDCogniCare project

2024

Conference Publication

Neuropsychological predictors of cognitive decline in Parkinson's disease: A systematic review (PDCogniCare)

Pourzinal, D., Sivakumaran, K., Yang, J., Bailey, D.X., Mitchell, L.K., Brooks, D. and Dissanayaka, N. (2024). Neuropsychological predictors of cognitive decline in Parkinson's disease: A systematic review (PDCogniCare). Australian Dementia Research Forum 2024, Gold Coast, QLD Australia, 3-5 June 2024.

Neuropsychological predictors of cognitive decline in Parkinson's disease: A systematic review (PDCogniCare)

2024

Conference Publication

Barriers and facilitators of cognitive behavioural therapy interventions for people living with mild cognitive impairment or dementia: a systematic review

Welsh, K., Brooks, D., Mitchell, L. and Dissanayaka, N. (2024). Barriers and facilitators of cognitive behavioural therapy interventions for people living with mild cognitive impairment or dementia: a systematic review. Australian Dementia Research Forum 2024, Gold Coast, QLD Australia, 3-5 June 2024.

Barriers and facilitators of cognitive behavioural therapy interventions for people living with mild cognitive impairment or dementia: a systematic review

2024

Conference Publication

Barriers and enablers to cognitive assessment in Parkinson’s disease: perspectives of clinicians and people living with PD

Brooks, D., Worthy, P., Shrubsole, K. and Dissanayaka, N. (2024). Barriers and enablers to cognitive assessment in Parkinson’s disease: perspectives of clinicians and people living with PD. Australian Dementia Research Forum 2024, Gold Coast, QLD Australia, 3-5 June 2024.

Barriers and enablers to cognitive assessment in Parkinson’s disease: perspectives of clinicians and people living with PD

2024

Conference Publication

Technology assisted and remotely delivered anxiety psychotherapy intervention for people living with dementia and their care partners: Tech-CBT project

Au, T., Beattie, E., Bennett, S., Brooks, D., Broome, A., Byrne, G., Chatfield, M., Comans, T., Dissanayaka, N., Guy, R., Keramat, S.A., King, T., Lehn, A., Liddle, J., Mitchell, L., Oram, J., O’Sullivan, J., Pacas Fronza, G., Pachana, N., Pietsch, A., Tan, J., Welsh, K. and Worthy, P. (2024). Technology assisted and remotely delivered anxiety psychotherapy intervention for people living with dementia and their care partners: Tech-CBT project. Australian Dementia Research Forum 2024, Gold Coast, QLD Australia, 3-5 June 2024.

Technology assisted and remotely delivered anxiety psychotherapy intervention for people living with dementia and their care partners: Tech-CBT project

2024

Journal Article

Telehealth Cognitive Behavior Therapy to Reduce Anxiety in People Living with Cognitive Impairment: A Randomized Feasibility Pilot Study

Pacas Fronza, Gabriela, Mitchell, Leander K., Pachana, Nancy A., Byrne, Gerard J., Liddle, Jacki, Yang, Jihyun, Brooks, Deborah, Au, Tiffany, Pourzinal, Dana, Worthy, Peter, Comans, Tracy, Beattie, Elizabeth, Bennett, Sally, Russell, Trevor and Dissanayaka, Nadeeka N. (2024). Telehealth Cognitive Behavior Therapy to Reduce Anxiety in People Living with Cognitive Impairment: A Randomized Feasibility Pilot Study. Clinical Gerontologist, 1-15. doi: 10.1080/07317115.2024.2336187

Telehealth Cognitive Behavior Therapy to Reduce Anxiety in People Living with Cognitive Impairment: A Randomized Feasibility Pilot Study

2024

Journal Article

Hippocampal resting‐state connectivity is associated with posterior‐cortical cognitive impairment in Parkinson's disease

Pourzinal, Dana, Yang, Jihyun, McMahon, Katie L., Copland, David A., Mitchell, Leander, O'Sullivan, John D., Byrne, Gerard J. and Dissanayaka, Nadeeka N. (2024). Hippocampal resting‐state connectivity is associated with posterior‐cortical cognitive impairment in Parkinson's disease. Brain and Behavior, 14 (3) e3454, e3454. doi: 10.1002/brb3.3454

Hippocampal resting‐state connectivity is associated with posterior‐cortical cognitive impairment in Parkinson's disease

2024

Journal Article

Face and content validity of a mobile delirium screening tool adapted for use in the medical setting (eDIS‐MED): Welcome to the machine

Eeles, Eamonn, Tronstad, Oystein, Teodorczuk, Andrew, Flaws, Dylan, Fraser, John F. and Dissanayaka, Nadeeka (2024). Face and content validity of a mobile delirium screening tool adapted for use in the medical setting (eDIS‐MED): Welcome to the machine. Australasian Journal on Ageing, 43 (2), 415-419. doi: 10.1111/ajag.13288

Face and content validity of a mobile delirium screening tool adapted for use in the medical setting (eDIS‐MED): Welcome to the machine

2024

Journal Article

Measuring Phenomenal Consciousness in Delirium: The New Black

Eeles, Eamonn, Teodorczuk, Andrew and Dissanayaka, Nadeeka (2024). Measuring Phenomenal Consciousness in Delirium: The New Black. Journal of Consciousness Studies, 31 (1), 31-50. doi: 10.53765/20512201.31.1.031

Measuring Phenomenal Consciousness in Delirium: The New Black

2024

Journal Article

Prototype development of the Mental Health benchmarking Industry Tool for residential aged Care (MHICare Tool): a protocol paper of a two-stage sequential and mixed methods codesign study

Brimelow, Rachel, Brooks, Deborah, Sriram, Deepa, Burley, Claire, Beattie, Elizabeth, Byrne, Gerard and Dissanayaka, Nadeeka (2024). Prototype development of the Mental Health benchmarking Industry Tool for residential aged Care (MHICare Tool): a protocol paper of a two-stage sequential and mixed methods codesign study. BMJ Open, 14 (2) e078493, 1-7. doi: 10.1136/bmjopen-2023-078493

Prototype development of the Mental Health benchmarking Industry Tool for residential aged Care (MHICare Tool): a protocol paper of a two-stage sequential and mixed methods codesign study

2024

Journal Article

Feasibility and acceptability of a videoconferencing CBT intervention for anxiety in people with Parkinson’s Disease

Roper, Amy, Brooks, Deborah, Mitchell, Leander K., Pachana, Nancy A., Au, Tiffany R., Byrne, Gerard J., O’Sullivan, John D. and Dissanayaka, Nadeeka N. (2024). Feasibility and acceptability of a videoconferencing CBT intervention for anxiety in people with Parkinson’s Disease. Clinical Gerontologist, 1-16. doi: 10.1080/07317115.2024.2306861

Feasibility and acceptability of a videoconferencing CBT intervention for anxiety in people with Parkinson’s Disease

2024

Conference Publication

Verbal fluency correlates with medial temporal lobe volumes in Parkinson’s disease with memory impairment

Yang, J., Pourzinal, D. and Dissanayaka, N. (2024). Verbal fluency correlates with medial temporal lobe volumes in Parkinson’s disease with memory impairment. Australian Dementia Research Forum 2024, Gold Coast, QLD Australia, 3-5 June 2024.

Verbal fluency correlates with medial temporal lobe volumes in Parkinson’s disease with memory impairment

2024

Conference Publication

“It’s really important that we do have a voice.” Residents’ perspectives on the factors that promote and support mental health within aged care homes

Brooks, D., Burley, C., Sriram, D., Brimelow, R. and Dissanayaka, N. (2024). “It’s really important that we do have a voice.” Residents’ perspectives on the factors that promote and support mental health within aged care homes. Australian Dementia Research Forum 2024, Gold Coast, QLD Australia, 3-5 June 2024.

“It’s really important that we do have a voice.” Residents’ perspectives on the factors that promote and support mental health within aged care homes

2023

Journal Article

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

Eeles, Eamonn, Tran, David Duc, Boyd, Jemima, Tronstad, Oystein, Teodorczuk, Andrew, Flaws, Dylan, Fraser, John F. and Dissanayaka, Nadeeka (2023). A narrative review of the development and performance characteristics of electronic delirium-screening tools. Australian Critical Care, 37 (4), 651-658. doi: 10.1016/j.aucc.2023.11.006

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

2023

Journal Article

Levetiracetam for the treatment of mild cognitive impairment in Parkinson's disease: a double-blind controlled proof-of-concept trial protocol

Dissanayaka, Nadeeka, Pourzinal, Dana, Byrne, Gerard J., Yang, Jihyun, McMahon, Katie L., Pontone, Gregory M., O'Sullivan, John D., Adam, Robert, Littleford, Roberta, Chatfield, Mark, Lehn, Alexander, Mari, Zoltan and Bakker, Arnold (2023). Levetiracetam for the treatment of mild cognitive impairment in Parkinson's disease: a double-blind controlled proof-of-concept trial protocol. Pilot and Feasibility Studies, 9 (1) 189, 189. doi: 10.1186/s40814-023-01406-y

Levetiracetam for the treatment of mild cognitive impairment in Parkinson's disease: a double-blind controlled proof-of-concept trial protocol

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

Funding

Current funding

  • 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

Associate Professor Nadeeka Dissanayaka is:
Available for supervision

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Available projects

Supervision history

Current supervision

Completed supervision

Media

Enquiries

Contact Associate 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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