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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

221 - 240 of 288 works

2014

Conference Publication

Cognitive and Emotional processing in Parkinson’s disease

Dissanayaka, N., Au, T., Angwin, A., O'Sullivan, J., Byrne, G., Silburn, P., Marsh, R., Mellick, G. and Copland, D. (2014). Cognitive and Emotional processing in Parkinson’s disease. 12th International Conference on Cognitive Neurosicence, Brisbane, QLD Australia, 27-31 July 2014.

Cognitive and Emotional processing in Parkinson’s disease

2014

Conference Publication

An event-related potential study on sentence processing in Parkinson’s disease

Angwin, A., Dissanayaka, N., McMahon, K., Silburn, P. and Copland, D. (2014). An event-related potential study on sentence processing in Parkinson’s disease. 12th International Conference on Cognitive Neurosicence, Brisbane, Australia, 27-31 July 2014.

An event-related potential study on sentence processing in Parkinson’s disease

2014

Conference Publication

Depression and anxiety measures in Parkinson’s disease: which are best?

Torbey, E., Dissanayaka, N. and Pachana, N. (2014). Depression and anxiety measures in Parkinson’s disease: which are best?. 20th Australian Psychological Society Clinical Neuropsychology Conference, Adelaide, SA Australia, 27-29 November 2014.

Depression and anxiety measures in Parkinson’s disease: which are best?

2014

Conference Publication

Negative biases and slow negative wave in Parkinson’s disease

Au, T., Angwin, A., Copland, D., O'Sullivan, J., Byrne, G., Silburn, P., Marsh, R., Mellick, G. and Dissanayaka, N. (2014). Negative biases and slow negative wave in Parkinson’s disease. 12th International Conference on Cognitive Neurosicence, Brisbane, QLD Australia, 27-31 July 2014.

Negative biases and slow negative wave in Parkinson’s disease

2014

Conference Publication

Symptomatology and treatment of anxiety in Parkinson’s disease

White, E., Byrne, G., O'Sullivan, J., Marsh, R., Silburn, P., Pachana, N., Mellick, G., Copland, D. and Dissanayaka, N. (2014). Symptomatology and treatment of anxiety in Parkinson’s disease. In: School of Medicine, The University of Queensland Annual Student Symposium, Brisbane, QLD Australia, (). 2014.

Symptomatology and treatment of anxiety in Parkinson’s disease

2013

Journal Article

Clinical issues in the treatment of anxiety and depression in older adults with Parkinson's disease

Pachana, Nancy A., Egan, Sarah J., Laidlaw, Ken, Dissanayaka, Nadeeka, Byrne, Gerard J., Brockman, Simone, Marsh, Rodney and Starkstein, Sergio (2013). Clinical issues in the treatment of anxiety and depression in older adults with Parkinson's disease. Movement Disorders, 28 (14), 1930-1934. doi: 10.1002/mds.25689

Clinical issues in the treatment of anxiety and depression in older adults with Parkinson's disease

2013

Conference Publication

Patient perspectives on treatment-induced impulse control disorders

Carter, Adrian, Bell, Peter, Diezel, Helene, Dissanayaka, Nadeeka, O'Sullivan, John and Hall, Wayne (2013). Patient perspectives on treatment-induced impulse control disorders. Australasian Professional Society on Alcohol and other Drugs Conference, Brisbane, QLD Australia, 24-27 November 2013. Chichester, West Sussex, United Kingdom: Wiley-Blackwell Publishing Ltd.. doi: 10.1111/dar.12077

Patient perspectives on treatment-induced impulse control disorders

2013

Conference Publication

Drug-induced compulsive disorders: clinical, ethical and legal challenges

Carter, Adrian, O'Sullivan, John, Dissanayaka, Nadeeka, Bartlett, Francesca, Hall, Wayne and Bell, Peter (2013). Drug-induced compulsive disorders: clinical, ethical and legal challenges. Australasian Professional Society on Alcohol and other Drugs Conference, Brisbane, QLD Australia, 24-27 November 2013. Chichester, West Sussex, United Kingdom: Wiley-Blackwell Publishing Ltd.. doi: 10.1111/dar.12077

Drug-induced compulsive disorders: clinical, ethical and legal challenges

2013

Conference Publication

Emotional processing in Parkinson's disease and anxiety: an EEG study of visual affective word processing

Dissanayaka, N., Au, T., Angwin, A., O’Sullivan, J., Byrne, G., Silburn, P., Marsh, R., Mellick, G. and Copland, D. (2013). Emotional processing in Parkinson's disease and anxiety: an EEG study of visual affective word processing. BaCI 2013: First International Conference on Basic and Clinical Multimodal Imaging, Geneva, Switzerland, 5-8 September, 2013. Thousand Oaks, CA, United States: Sage Publications. doi: 10.1177/1550059413507209

Emotional processing in Parkinson's disease and anxiety: an EEG study of visual affective word processing

2013

Conference Publication

Clinical implications of impulse control disorders in Parkinson's disease

O'Sullivan, John and Dissanayaka, Nadeeka (2013). Clinical implications of impulse control disorders in Parkinson's disease. APSAD 2013: Australasian Professional Society on Alcohol and other Drugs Conference, Brisbane, Australia, 24-27 November 2013. Chichester, West Sussex, United Kingdom: Wiley-Blackwell.

Clinical implications of impulse control disorders in Parkinson's disease

2013

Conference Publication

Depression and anxiety rating scales in Parkinson’s disease: critique and recommendations

Torbey, E., Pachana, N. and Dissanayaka, N. (2013). Depression and anxiety rating scales in Parkinson’s disease: critique and recommendations. Psychology & Ageing Interest Group Conference, Melbourne, VIC Australia, 15-16 November 2013.

Depression and anxiety rating scales in Parkinson’s disease: critique and recommendations

2013

Conference Publication

Identifying EEG markers associated with anxiety in Parkinson's disease: late positive potential

Dissanayaka, N. N., Au, T., Angwin, A., Copland, D., O'Sullivan, J., Byrne, G. J., Marsh, R., Mellick, G. and Silburn, P. A. (2013). Identifying EEG markers associated with anxiety in Parkinson's disease: late positive potential. MDS 2013: 17th International Congress of Parkinson’s Disease and Movement Disorders, Sydney, NSW, Australia, 16-20 June, 2013. Hoboken, NJ, United States: John Wiley & Sons. doi: 10.1002/mds.25605

Identifying EEG markers associated with anxiety in Parkinson's disease: late positive potential

2013

Conference Publication

Validity of depression and anxiety rating scales in Parkinson’s disease

Torbey, E., Pachana, N. and Dissanayaka, N. (2013). Validity of depression and anxiety rating scales in Parkinson’s disease. 22nd Annual RBWH Health Care Symposium, Brisbane, Australia, 14-18 October 2013.

Validity of depression and anxiety rating scales in Parkinson’s disease

2013

Other Outputs

Understanding anxiety and depression in Parkinson's disease and in the elderly

Dissanayaka, Nadeeka (2013, 01 01). Understanding anxiety and depression in Parkinson's disease and in the elderly Foundation Line 3-3.

Understanding anxiety and depression in Parkinson's disease and in the elderly

2013

Other Outputs

Parkinson's disease link to anxiety and depression

Dissanayaka, N. (2013, 01 01). Parkinson's disease link to anxiety and depression RBWH Foundation Newsletter 3-3.

Parkinson's disease link to anxiety and depression

2013

Conference Publication

Emotional dysfunction in Parkinson’s disease

Dissanayaka, N., Au, T., Angwin, A., O’Sullivan, J., Byrne, G., Silburn, P., Marsh, R., Mellick, G. and Copland, D. (2013). Emotional dysfunction in Parkinson’s disease. 22nd Annual RBWH Health Care Symposium, Brisbane, Australia, 14-18 October 2013.

Emotional dysfunction in Parkinson’s disease

2012

Journal Article

Probabilistic subgroup identification using Bayesian finite mixture modelling: a case study in Parkinson's disease phenotype identification

White, Nicole, Johnson, Helen, Silburn, Peter, Mellick, George, Dissanayaka, Nadeeka and Mengersen, Kerrie (2012). Probabilistic subgroup identification using Bayesian finite mixture modelling: a case study in Parkinson's disease phenotype identification. Statistical Methods in Medical Research, 21 (6), 563-583. doi: 10.1177/0962280210391012

Probabilistic subgroup identification using Bayesian finite mixture modelling: a case study in Parkinson's disease phenotype identification

2012

Journal Article

Large-scale replication and heterogeneity in Parkinson disease genetic loci

Sharma, Manu, Ioannidis, John P. A., Aasly, Jan O., Annesi, Grazia, Brice, Alexis, Van Broeckhoven, Christine, Bertram, Lars, Bozi, Maria, Crosiers, David, Clarke, Carl, Facheris, Maurizio, Farrer, Matthew, Garraux, Gaetan, Gispert, Suzana, Auburger, Georg, Vilarino-Gueell, Carles, Hadjigeorgiou, Georgios M., Hicks, Andrew A., Hattori, Nobutaka, Jeon, Beom, Lesage, Suzanne, Lill, Christina M., Lin, Juei-Jueng, Lynch, Timothy, Lichtner, Peter, Lang, Anthony E., Mok, Vincent, Jasinska-Myga, Barbara, Mellick, George D. ... Dissanayaka, N. N. (2012). Large-scale replication and heterogeneity in Parkinson disease genetic loci. Neurology, 79 (7), 659-667. doi: 10.1212/WNL.0b013e318264e353

Large-scale replication and heterogeneity in Parkinson disease genetic loci

2012

Journal Article

Validity and reliability of the Geriatric Anxiety Inventory in Parkinson's disease

Matheson, Sally F., Byrne, Gerard J., Dissanayaka, Nadeeka N. W., Pachana, Nancy A., Mellick, George D., O'Sullivan, John D., Silburn, Peter A., Sellbach, Anna and Marsh, Rodney (2012). Validity and reliability of the Geriatric Anxiety Inventory in Parkinson's disease. Australasian Journal on Ageing, 31 (1), 13-16. doi: 10.1111/j.1741-6612.2010.00487.x

Validity and reliability of the Geriatric Anxiety Inventory in Parkinson's disease

2012

Journal Article

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

Ambermoon, Polly, Carter, Adrian, Hall, Wayne, Dissanayaka, Nadeeka and O'Sullivan, John (2012). Compulsive use of dopamine replacement therapy: a model for stimulant drug addiction?. Addiction, 107 (2), 241-247. doi: 10.1111/j.1360-0443.2011.03511.x

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

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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