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2025 Journal Article Enhancing neuropsychological assessment clinical pathways in Parkinson's disease through the use of technologyLobo, Elton H., Worthy, Peter, Brooks, Deborah, Shrubsole, Kirstine, Pourzinal, Dana, Sriram, Deepa, Fels, Rachel, Yang, Ji Hyun, Liddle, Jacki, Mitchell, Leander K. and Dissanayaka, Nadeeka N. (2025). Enhancing neuropsychological assessment clinical pathways in Parkinson's disease through the use of technology. Frontiers in Digital Health, 7 1681221, 1681221. doi: 10.3389/fdgth.2025.1681221 |
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2025 Journal Article Diagnosis, evaluation, and management of cognitive disorders in Parkinson's disease: consensus recommendations from a modified Delphi processPourzinal, Dana, Brooks, Deborah, Sriram, Deepa, Mitchell, Leander K., Pachana, Nancy A., Shrubsole, Kirstine, Wood, Brian, O'Sullivan, John D., Marsh, Rodney, Lehn, Alexander, Liddle, Jacki, Tan, Edwin C. K., Halford, W. Kim, Page, Neil and Dissanayaka, Nadeeka N. (2025). Diagnosis, evaluation, and management of cognitive disorders in Parkinson's disease: consensus recommendations from a modified Delphi process. Alzheimer's and Dementia: Diagnosis, Assessment and Disease Monitoring, 17 (3) e70152, 1-13. doi: 10.1002/dad2.70152 |
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2025 Journal Article Evaluating evidence for a neuropsychological toolkit to predict cognitive decline in PD: a systematic reviewPourzinal, Dana, King, James, Sivakumaran, Kumareshan, Yang, Jihyun, McCann, Emily, Mitchell, Leander K., Brooks, Deborah, Lehn, Alexander, Liddle, Jacki, Pachana, Nancy A., Tinson, Helen, Shrubsole, Kirstine, Bailey, Daniel X. and Dissanayaka, Nadeeka N. (2025). Evaluating evidence for a neuropsychological toolkit to predict cognitive decline in PD: a systematic review. The Clinical Neuropsychologist, 1-28. doi: 10.1080/13854046.2025.2511966 |
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2025 Journal Article Diagnosis, evaluation and management of cognitive disorders in Parkinson’s disease: A systematic reviewPourzinal, Dana, Elgey, Charlotte, Bailey, Daniel X., Yang, Jihyun, Lehn, Alexander, Tinson, Helen, Liddle, Jacki, Brooks, Deborah, Naismith, Sharon L., Shrubsole, Kirstine, Marsh, Rodney, Mitchell, Leander K., Pachana, Nancy A., King, James and Dissanayaka, Nadeeka N. (2025). Diagnosis, evaluation and management of cognitive disorders in Parkinson’s disease: A systematic review. International Psychogeriatrics 100081, 1-10. doi: 10.1016/j.inpsyc.2025.100081 |
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2025 Journal Article Schrödinger's cat and mouse: An adapted thought experiment for the context of consciousnessEeles, Eamonn, Pourzinal, Dana, Baland, Jalal and Ray, Julian (2025). Schrödinger's cat and mouse: An adapted thought experiment for the context of consciousness. Behavioural Brain Research, 483 115459, 1-7. doi: 10.1016/j.bbr.2025.115459 |
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2025 Journal Article Development and Validation of the Parkinson’s Disease Specific Anxiety Inventory (PDSAI)Dissanayaka, Nadeeka N., Pourzinal, Dana, Byrne, Gerard, Pachana, Nancy A., O’Sullivan, John D., White, Elizabeth, Au, Tiffany, Yang, Jihyun, Interian, Alejandro, Rodriguez, Kailyn and Dobkin, Roseanne D. (2025). Development and Validation of the Parkinson’s Disease Specific Anxiety Inventory (PDSAI). Journal of Geriatric Psychiatry and Neurology, 38 (5), 8919887251332660-361. doi: 10.1177/08919887251332660 |
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2025 Journal Article Telehealth cognitive behavior therapy to reduce anxiety in people living with cognitive impairment: a randomized feasibility pilot studyPacas 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. (2025). Telehealth cognitive behavior therapy to reduce anxiety in people living with cognitive impairment: a randomized feasibility pilot study. Clinical Gerontologist, 48 (4), 684-698. doi: 10.1080/07317115.2024.2336187 |
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2024 Journal Article Profiling people with Parkinson's disease at risk of cognitive decline: Insights from PPMI and ICICLE‐PD dataPourzinal, 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 and Dementia: Diagnosis, Assessment and Disease Monitoring, 16 (3) e12625, 1-11. doi: 10.1002/dad2.12625 |
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2024 Journal Article Hippocampal resting‐state connectivity is associated with posterior‐cortical cognitive impairment in Parkinson's diseasePourzinal, 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, 1-12. doi: 10.1002/brb3.3454 |
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2023 Journal Article Levetiracetam for the treatment of mild cognitive impairment in Parkinson's disease: a double-blind controlled proof-of-concept trial protocolDissanayaka, 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 |
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2023 Journal Article Longitudinal follow up of data‐driven cognitive subtypes in Parkinson's diseasePourzinal, 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 |
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2023 Journal Article Global assessment, cognitive profile, and characteristics of mild cognitive impairment in Parkinson's diseaseYang, 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 |
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2022 Journal Article Systematic review of data‐driven cognitive subtypes in Parkinson’s diseasePourzinal, Dana, Yang, Jihyun, Lawson, Rachael A., McMahon, Katie L., Byrne, Gerard J. and Dissanayaka, Nadeeka N. (2022). Systematic review of data‐driven cognitive subtypes in Parkinson’s disease. European Journal of Neurology, 29 (11), 3395-3417. doi: 10.1111/ene.15481 |
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2022 Journal Article Semantic fluency deficits and associated brain activity in Parkinson’s disease with mild cognitive impairmentYang, Jihyun, McMahon, Katie L., Copland, David A., Pourzinal, Dana, Byrne, Gerard J., Angwin, Anthony J., O’Sullivan, John D. and Dissanayaka, Nadeeka N (2022). Semantic fluency deficits and associated brain activity in Parkinson’s disease with mild cognitive impairment. Brain Imaging and Behavior, 16 (6), 1-12. doi: 10.1007/s11682-022-00698-7 |
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2022 Journal Article The Attention Network Test in Parkinson and Lewy body disease: a systematic reviewYang, Jihyun, Pourzinal, Dana, Rheinberger, Toby, Copland, David A., McMahon, Katie L., Byrne, Gerard J. and Dissanayaka, Nadeeka N. (2022). The Attention Network Test in Parkinson and Lewy body disease: a systematic review. Cognitive and Behavioral Neurology, 35 (1), 1-13. doi: 10.1097/WNN.0000000000000292 |
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2021 Journal Article Anxiety disorders are associated with verbal memory impairment in patients with Parkinson’s disease without dementiaDissanayaka, 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 |
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2021 Journal Article Hippocampal correlates of episodic memory in Parkinson's disease: A systematic review of magnetic resonance imaging studiesPourzinal, 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 |
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2021 Journal Article Neural correlates of attentional deficits in Parkinson’s disease patients with mild cognitive impairmentYang, 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 |
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2020 Journal Article Identifying subtypes of mild cognitive impairment in Parkinson’s disease using cluster analysisPourzinal, Dana, Yang, Ji Hyun J., Byrne, Gerard J., O’Sullivan, John D., Mitchell, Leander, McMahon, Katie L., Copland, David A. and Dissanayaka, Nadeeka N. (2020). Identifying subtypes of mild cognitive impairment in Parkinson’s disease using cluster analysis. Journal of Neurology, 267 (11), 3213-3222. doi: 10.1007/s00415-020-09977-z |