Dr Nadeeka Dissanayaka

Research Fellow

UQ Centre for Clinical Research
Faculty of Medicine
n.dissanayaka@uq.edu.au
+61 7 334 66026

Overview

Dr Nadeeka Dissanayaka is a research fellow at the University of Queensland Centre for Clinical Research, and is an adjunct research fellow at Neurology, Royal Brisbane & Women’s Hospital, and School of Psychology, UQ. Her research involves multidisciplinary areas ranging from basic science (eg: pharmacology, physiology, genetics) to clinical science, and medicine (eg: epidemiology, psychology, psychiatry, neurology, neurosurgery, cognitive neuroscience, neuroimaging and addiction).

Dr Dissanayaka’s primary research focuses to understand more about neuropsychiatric aspects of Parkinson’s disease and related disorders, and includes anxiety, depression, cognitive dysfunction and impulse control disorders. Her studies investigate epidemiology and genetics, new diagnostic methods, neuroimaging markers (EEG and fMRI), new psychological treatment, and adverse effects of pharmacological treatment.

Qualifications

  • Bachelor of Science (Honours), The University of Queensland
  • Doctor of Philosophy, The University of Queensland

Publications

View all Publications

Grants

View all Grants

Supervision

  • Doctor Philosophy

  • Doctor Philosophy

  • Doctor Philosophy

View all Supervision

Publications

Journal Article

Conference Publication

  • Pachana, N. A., Dissanayaka, N. N., Jion, F. I., Harnett, P. and O'Sullivan, J. (2015). Mindfulness to combat anxiety in people with Parkinson's disease. In: *, *, (S31-S31). *.

  • Mosley, P. E., Marsh, R., Dissanayaka, N., Subramanian, H., Carter, A., Hall, W., Coyne, T. and Silburn, P. (2015). Neuropsychiatric Aspects of Parkinson's Disease. In: -, -, (10-10). -. doi:10.1177/0004867415578344

  • Dissanayaka, N. (2015). Phenomenology and Treatment of Anxiety and Depression in Parkinson'S Disease. In: -, -, (11-11). -.

  • Carter, Adrian, O'Sullivan, John, Dissanayaka, Nadeeka, Bartlett, Francesca, Hall, Wayne and Bell, Peter (2013). Drug-induced compulsive disorders: clinical, ethical and legal challenges. In: Special Issue: Abstracts of the Australasian Professional Society on Alcohol and other Drugs Conference. Australasian Professional Society on Alcohol and other Drugs Conference, Brisbane, QLD Australia, (6-6). 24-27 November 2013. doi:10.1111/dar.12077

  • 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. In: 22nd Annual RBWH Health Care Symposium, Brisbane, Australia, (). 14-18 October 2013.

  • 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. In: Abstracts of Presentations at the International Conference on Basic and Clinical Multimodal Imaging (BaCI), a Joint Conference of the International Society for Neuroimaging in Psychiatry (ISNIP), the International Society for Functional Source Imaging (ISFSI), the International Society for Bioelectromagnetism (ISBEM), the International Society for Brain Electromagnetic Topography (ISBET), and the EEG and Clinical Neuroscience Society (ECNS). BaCI 2013: First International Conference on Basic and Clinical Multimodal Imaging, Geneva, Switzerland, (115-115). 5-8 September, 2013. doi:10.1177/1550059413507209

  • 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. In: Abstracts of the Seventeenth International Congress of Parkinson's Disease and Movement Disorders. MDS 2013: 17th International Congress of Parkinson’s Disease and Movement Disorders, Sydney, NSW, Australia, (83-84). 16-20 June, 2013. doi:10.1002/mds.25605

  • Carter, Adrian, Bell, Peter, Diezel, Helene, Dissanayaka, Nadeeka, O'Sullivan, John and Hall, Wayne (2013). Patient perspectives on treatment-induced impulse control disorders. In: Special Issue: Abstracts of the Australasian Professional Society on Alcohol and other Drugs Conference. Australasian Professional Society on Alcohol and other Drugs Conference, Brisbane, QLD Australia, (7-8). 24-27 November 2013. doi:10.1111/dar.12077

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

  • Dissanayaka, N., Au, T., Angwin, A., Copland, D., O’Sullivan, J., Byrne, G., Marsh, R., Mellick, G. and Silburn, P. (2012). Abnormal event related brain potentials generated while processing emotional information in anxious Parkinson’s disease patients. In: 8th International Congress on Mental Dysfunction and Other Non-Motor Features in Parkinson's Disease and Related Disorders, Berlin, Germany, (). 3-6 May 2012.

  • Dissanayaka, N., Au, T., Angwin, A., O’Sullivan, J., Byrne, G., Copland, D., Marsh, R., Mellick, G. and Silburn, P. (2012). Abnormalities in emotional processing associated with anxiety in Parkinson’s disease. In: Parkinson’s Australia National Conference, Brisbane, Australia, (). 13-14 July 2012.

  • Dissanayaka, N., Au, T., Angwin, A., O’Sullivan, J., Byrne, G., Copland, D., Marsh, R., Mellick, G. and Silburn, P. (2012). Characterizing anxiety in Parkinson’s disease: clinical symptoms and neurophysiological markers. In: 21st Annual RBWH Health Care Symposium, Brisbane, Australia, (). 8-12 October 2012.

  • Dissanayaka, N., Mellick, G., O’Sullivan, J. and Silburn, P. (2012). Depression and anxiety in Parkinson’s disease. In: Parkinson’s Australia National Conference, Brisbane, Australia, (). 13-14 July 2012.

  • Carter, A., Dissanayaka, N., O’Sullivan, J. and Hall, W. (2012). Drug induced impulse control disorders: a prospectus for neuroethical analysis. In: Parkinson’s Australia National Conference, Brisbane, Australia, (). 13-14 July 2012.

  • Bell, P., Copland, D., Dissanayaka, N., McMahon, K., Mellick, G. and Silburn, P. (2012). Frontostriatal circuit dysfunction in parkinson's disease during verbal suppression: evidence from functional neuroimaging. In: Parkinson’s Australia National Conference, Brisbane, Australia, (). 13-14 July 2012.

  • Dissanayaka, Nadeeka, Au, Tiffany, Angwin, Anthony, Copland, David, O’Sullivan, John, Byrne, Gerard, Marsh, Rodney, Mellick, George and Silburn, Peter (2012). Neural correlates of emotional processing in Parkinson’s disease and the influence of affective disturbances. In: Conference Abstract: ACNS-2012 Australasian Cognitive Neuroscience Conference. 3rd Australasian Cognitive Neuroscience Conference (ACNS 2012 ), Brisbane, Australia, (). 29 November - 2 December 2012. doi:10.3389/conf.fnhum.2012.208.00140

  • Au, Tiffany, Angwin, Anthony, Copland, David, Mellick, George, O’Sullivan, John, Silburn, Peter, Byrne, Gerard and Dissanayaka, Nadeeka (2012). Neural mechanisms underlying emotional processing in healthy older adults: electrophysiological correlates of visual affective word processing. In: Conference Abstract: ACNS-2012 Australasian Cognitive Neuroscience Conference. 3rd Australasian Cognitive Neuroscience Conference (ACNS 2012 ), Brisbane, Australia, (). 29 November - 2 December 2012. doi:10.3389/conf.fnhum.2012.208.00121

  • Copland, D., Bell, P., McMahon, K., Dissanayaka, N., Mellick, G. and Silburn, P. (2012). Subcortical activity during verbal selection and suppression in Parkinson's Disease. In: 50th Academy of Aphasia Proceedings.. 50th Academy-of-Aphasia Meeting, San Francisco, United States, (50-51). 28-30 October 2012. doi:10.1016/j.sbspro.2012.10.074

  • Dissanayaka, N., Angwin A., Copland, D., O’Sullivan, J., Byrne, G., Marsh, M., Mellick, G. and Silburn, P. (2011). Abnormal event related brain potentials generated while processing emotional information in anxious Parkinson’s disease patients. In: The Biannual Movement Disorder Society of Australia Conference, Melbourne, Australia, (). 8-10 September 2011.

  • Dissanayaka, N., Angwin, A., Copland, D., O’Sullivan, J., Byrne, G., Marsh, R., Mellick, G. and Silburn, P. (2011). Abnormal event related brain potentials generated while processing emotional information in anxious Parkinson’s disease patients. In: 20th RBWH Healthcare Symposium, Brisbane, Australia, (). 10-14 October 2011.

  • Dissanayaka, Nadeeka, Au, Tiffany, Angwin, Anthony, Copland, David, O’Sullivan, John, Byrne, Gerard, Marsh, Rodney, Mellick, George and Silburn, Peter (2011). Abnormal event related brain potentials generated while processing emotional information in anxious Parkinson’s disease patients. In: 2nd Australasian Cognitive Neuroscience Conference, Sydney, Australia, (). 9-12 December 2011.

  • Dissanayaka, Nadeeka N., O'Sullivan, John D., Silburn, Peter A. and Mellick, George D. (2011). Assessment methods and factors associated with depression in Parkinson's disease. In: 7th International Congress on Mental Dysfunction and other Non-Motor Features in Parkinsons Disease and Related Disorders, Barcelona, Spain, (208-210). 9-12 December 2010. doi:10.1016/j.jns.2011.06.031

  • Dissanayaka, N., O’Sullivan, J., Silburn, P. and Mellick, G. (2010). Factors associated with freezing of gait in Parkinson’s disease. In: 19th Annual RBWH Health Care Symposium, Brisbane, Australia, (). 11-15 October 2010.

  • Dissanayaka, N. N., O’Sullivan, J. D., Silburn, P. A. and Mellick, G. D. (2010). Risk factors for depression in Parkinson’s disease. In: 7th International Congress on Mental Dysfunctions and Other Non-motor Features in Parkinson’s Disease and Related Disorders, Barcelona, Spain, (). 9-12 December 2010.

  • White, N. M., Johnson, H. L., Mengersen, K. L., Mellick, G. D., Dissanayaka, N. and Silburn, P. A. (2009). A probabilistic approach for patient classification in Parkinson’s disease. In: Abstracts of The Movement Disorder Society's Thirteenth International Congress of Parkinson's Disease and Movement Disorders. MDS 13th International Congress: The Movement Disorder Society’s 13th International Congress of Parkinson’s Disease and Movement Disorder, Paris, France, (S388-S388). 7-11 June 2009. doi:10.1002/mds.22628

  • Dissanayaka, N. N. W., Sellbach, A., Matheson, S., Marsh, R., Silburn, P. A., O'Sullivan, J. D., Byrne, G. J. and Mellick, G. D. (2009). Assessing depression in Parkinson’s disease. In: 5th National Conference on Depression in Elderly., Sydney, Australia, (). 2009.

  • Dissanayaka, N. N., Sellbach, A., Matheson, S., Marsh, R., Silburn, P. A., O'Sullivan, J. D., Byrne, G. J. and Mellick, G. D. (2009). Risk factors for depression in Parkinson’s disease. In: Combined Abstracts of 2009 Australian Psychology Conferences. 1st Joint Conference of the APS Psychology and Ageing Interest Group, and the Royal Australian and New Zealand College of Psychiatrists Faculty of Psychiatry of Old Age, Gold Coast, Australia, (193-194). 12-14 November 2009.

  • Dissanayaka, N., Sellbach, A., Matheson, S., O'Sullivan, J., Silburn, P. A., Marsh, R., Byrne, G. and Mellick, G. (2009). Risk factors for depression in Parkinson’s disease. In: 18th Annual RBWH Health Care Symposium, Brisbane, Australia, (). October 2009.

  • Dissanayaka, N. N. W., Silburn, P. A., O’Sullivan, J. D. and Mellick, J. D. (2009). What contributes to depression in Parkinson’s disease?. In: Australian Society for Medical Research Queensland Postgraduate Student Conference, Brisbane, Australia, (). 26 May 2009.

  • Dissanayaka, N., Silburn, P., O’Sullivan, J. and Mellick, G. (2008). Is depression in Parkinson’s disease ‘organic’ or ‘reactive’. In: Australian Society for Medical Research Queensland Postgraduate Student Conference, Brisbane, Australia, (). 29 May 2008.

  • Dissanayaka, N., O’Sullivan, J., Silburn, P. and Mellick, G. (2008). Risk factors for depression in Parkinson’s disease. In: 6th International Congress on Mental Dysfunctions and Other Non-motor Features in Parkinson’s Disease, Dresden, Germany, (). 16-19 October 2008.

  • Dissanayaka, N., Silburn, P., O’Sullivan, J. and Mellick, G. (2007). A candidate gene study of the serotonin and dopamine transporter genes in relation to depression in Parkinson's disease.. In: 2007 Eskitis Institute Graduate Student Symposium, Brisbane, Australia, (). October, 2007.

  • Dissanayaka, N., Silburn, P., O’Sullivan, J. and Mellick G. (2007). A candidate gene study of the serotonin and dopamine transporter genes in relation to depression in Parkinson’s disease. In: 6th Australian Human Gene Mapping Conference, Brisbane, Australia, (668-668). 29-31 August 2007.

  • Dissanayaka, N., Silburn, P., O’Sullivan, J. and Mellick, G. (2007). Genetic and non-genetic determinants of depression in the setting of Parkinson's disease. In: ASMR Queensland Postgraduate Medical Research Student Conference, Brisbane, QLD, Australia, (). 23 May, 2007.

  • Dissanayaka, N., Sellbach, A., Matheson, S., Marsh, R., Silburn, P., O’Sullivan, J., Byrne, G. and Mellick, G. (2007). What contributes to depression in the setting of Parkinson's disease?. In: 4th National Conference on Depression in the Elderly, Sydney, NSW, Australia, (). 28-29 June, 2007.

  • Dissanayaka, N., Selbach, A., Matheson, S., Marsh, R., Silburn, P. A., O'Sullivan, J. D., Byrne, G. J. and Mellick, G. D. (2006). Assessing risk factors for depression in Parkinson’s disease. In: Abstracts and proceedings from the 5th National Conference for Emerging Researchers in Ageing. 5th National Conference of Emerging Researchers in Aging, Sydney, Australia, (-64). 2006.

  • Dissanayaka, N., Sellbach, A., Matheson, S., Marsh, R., Silburn, P., O’Sullivan, J., Byrne, G. and Mellick, G. (2006). Assessing the risk factors for depression in Parkinson's disease. In: ASMR Queensland Postgraduate Medical Research Student Conference, Brisbane, QLD, Australia, (). 26 May, 2006.

  • Dissanayaka, N., Sellbach, A., Matheson, S., Marsh, R., Silburn, P., O’Sullivan, J., Byrne, G. and Mellick, G. (2006). Regular exposure to pesticides is related to depression associated with Parkinson's Disease: evidence from two independent Australian samples. In: Abstracts of the 5th International Congress on Mental Dysfunction in Parkinson's Disease. 5th International Congress on Mental Dysfunction in Parkinson's Disease, Amsterdam, Netherlands, (31-31). 12-14 June, 2006. doi:10.1016/S1353-8020(07)70104-9

  • Dissanayaka, N., Sellbach, A., Matheson, S., Marsh, R., Silburn, P., O’Sullivan, J., Byrne, G. and Mellick, G. (2006). Regular exposure to pesticides is related to depression associated with Parkinson's disease: evidence from two independent Australian samples. In: 2006 Eskitis Institute Graduate Student Symposium, Brisbane, QLD, Australia, (). November, 2006.

  • Dissanayaka, N., Sellbach, A., Matheson, S., Marsh, R., Silburn, P., O’Sullivan, J., Byrne, G. and Mellick, G. (2006). Validity of three depression rating scales in Australian Parkinson's Disease patients. In: Abstracts of the 5th International Congress on Mental Dysfunction in Parkinson's Disease. 5th International Congress on Mental Dysfunction in Parkinson's Disease, Amsterdam, Netherlands, (32-32). 12-14 June, 2006. doi:10.1016/S1353-8020(07)70108-6

  • Dissanayaka, N., Sellbach, A., Matheson, S., Marsh, R., Silburn, P., O’Sullivan, J., Byrne, G. and Mellick, G. (2006). Validity of three depression rating scales in Australian Parkinson's disease patients. In: 2006 Eskitis Institute Graduate Student Symposium, Brisbane, QLD, Australia, (). November, 2006.

  • Dissanayaka, N. N. W., Sellbach, A., O’Sullivan, J. D., Silburn, P. A. and Mellick, G. D. (2005). Impact of depression on quality of life in people with Parkinson’s disease. In: Proceedings of the 4th National Conference of Emerging Researchers in Aging. 4th National Conference of Emerging Researchers in Aging, Brisbane, (86-89). 2005.

  • Dissanayaka, N. N. W., Deng, Y., Marsh, R., O’Sullivan, J. D., Silburn, P. A., Roberts, M. and Mellick, G. D. (2005). Risk factors and assessment methods for depression associated with Parkinson's disease. In: ASMR Queensland Postgraduate Medical Research Student Conference, Brisbane, QLD, Australia, (). 10 June, 2005.

  • Dissanayaka, N. N. W., Sellbach, A., O’Sullivan, J. D., Silburn, P. A. and Mellick, G. D. (2005). The impact of depression and motor disability on quality of life in patients suffering from Parkinson's disease. In: The University of Queensland School of Medicine Southern Clinical Division Post Graduate Student Conference, Brisbane, QLD, Australia, (). 2005.

  • Dissanayaka, N. N. W., Deng, Y. and Mellick, G. D. (2004). Parkinson's disease and depression: the role of serotonin transporter gene and other risk factors. In: Mair Underwood and Kate Suridge, Contibuting to an ageing agenda. Abstracts and Proceedings of ERA 2004: The 3rd National Conference for Emerging Researchers in Ageing. ERA 2004: The 3rd National Conference for Emerging Researchers in Ageing, Brisbane, QLD, Australia, (96-100). 2nd December 2004.

Other Outputs

Grants (Administered at UQ)

PhD and MPhil Supervision

Current Supervision