Publications by authors named "John D O'Sullivan"

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Development and Validation of the Parkinson's Disease Specific Anxiety Inventory (PDSAI).
Nadeeka N Dissanayaka, Dana Pourzinal, Gerard Byrne, Nancy A Pachana, John D O'Sullivan

J Geriatr Psychiatry Neurol· September 2025

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Feasibility and Acceptability of a Videoconferencing CBT Intervention for Anxiety in People with Parkinson's Disease.
Amy Roper, Deborah Brooks, Leander K Mitchell, Nancy A Pachana, Tiffany R Au, John D O'Sullivan

Clin Gerontol· July 2025

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Diagnosis, evaluation, and management of cognitive disorders in Parkinson's disease: Consensus recommendations from a modified Delphi process.
Dana Pourzinal, Deborah Brooks, Deepa Sriram, Leander K Mitchell, Nancy A Pachana, John D O'Sullivan

Alzheimers Dement (Amst)· July 2025

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Peripheral and central elevation of IL-8 in patients with Huntington's disease.
Jenny N Fung, John D Lee, Robert Adam, John D O'Sullivan, Trent M Woodruff

Mol Immunol· March 2025

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Clinical utility of F-fluorodopa positron emission tomography in the movement disorder clinic: an Australian experience.
Dennis Yeow, Matthew Fielder, Shane Hynard, Robert Adam, Matthew Katz, John D O'Sullivan

Intern Med J· February 2025

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Profiling people with Parkinson's disease at risk of cognitive decline: Insights from PPMI and ICICLE-PD data.
Dana Pourzinal, Rachael A Lawson, Alison J Yarnall, Caroline H Williams-Gray, Roger A Barker, John D O'Sullivan

Alzheimers Dement (Amst)· August 2024

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Hippocampal resting-state connectivity is associated with posterior-cortical cognitive impairment in Parkinson's disease.
Dana Pourzinal, Jihyun Yang, Katie L McMahon, David A Copland, Leander Mitchell, John D O'Sullivan

Brain Behav· March 2024

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A physiotherapy group exercise and self-management approach to improve physical activity in people with mild-moderate Parkinson's disease: a randomized controlled trial.
Sandra G Brauer, Robyn M Lamont, John D O'Sullivan

Trials· January 2024

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Pareidolias are a function of visuoperceptual impairment.
Emily McCann, Soohyun Lee, Felicia Coleman, John D O'Sullivan, Peter J Nestor

PLoS One· November 2023

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Levetiracetam for the treatment of mild cognitive impairment in Parkinson's disease: a double-blind controlled proof-of-concept trial protocol.
Nadeeka Dissanayaka, Dana Pourzinal, Gerard J Byrne, Jihyun Yang, Katie L McMahon, John D O'Sullivan

Pilot Feasibility Stud· November 2023

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Longitudinal follow up of data-driven cognitive subtypes in Parkinson's disease.
Dana Pourzinal, Jihyun Yang, Kumareshan Sivakumaran, Katie L McMahon, Leander Mitchell, John D O'Sullivan

Brain Behav· October 2023

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Global assessment, cognitive profile, and characteristics of mild cognitive impairment in Parkinson's disease.
Jihyun Yang, Dana Pourzinal, Gerard J Byrne, Katie L McMahon, David A Copland, John D O'Sullivan

Int J Geriatr Psychiatry· June 2023

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A Review of RRx-001: A Late-Stage Multi-Indication Inhibitor of NLRP3 Activation and Chronic Inflammation.
Nanthini Jayabalan, Bryan Oronsky, Pedro Cabrales, Tony Reid, Scott Caroen, John D O'Sullivan

Drugs· April 2023

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Semantic fluency deficits and associated brain activity in Parkinson's disease with mild cognitive impairment.
Jihyun Yang, Katie L McMahon, David A Copland, Dana Pourzinal, Gerard J Byrne, John D O'Sullivan

Brain Imaging Behav· December 2022

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Caring for a loved one with Parkinson's disease: the role of coping styles and relationship quality.
Angeline Zhang, Leander K Mitchell, Nancy A Pachana, Ji Hyun J Yang, Tiffany R Au, John D O'Sullivan

Int Psychogeriatr· July 2022

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Anxiety disorders are associated with verbal memory impairment in patients with Parkinson's disease without dementia.
Nadeeka N Dissanayaka, Elana J Forbes, Ji Hyun J Yang, Dana Pourzinal, John D O'Sullivan

J Neurol· March 2022

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Sodium selenate as a disease-modifying treatment for progressive supranuclear palsy: protocol for a phase 2, randomised, double-blind, placebo-controlled trial.
Lucy Vivash, Kelly L Bertram, Charles B Malpas, Cassandra Marotta, Ian H Harding, John D O'Sullivan

BMJ Open· December 2021

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Defining Atypical Anxiety in Parkinson's Disease.
Elana J Forbes, Gerard J Byrne, John D O'Sullivan, Jihyun Yang, Rodney Marsh

Mov Disord Clin Pract· May 2021

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Neural correlates of attentional deficits in Parkinson's disease patients with mild cognitive impairment.
Jihyun Yang, Dana Pourzinal, Katie L McMahon, Gerard J Byrne, David A Copland, John D O'Sullivan

Parkinsonism Relat Disord· April 2021

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Identifying subtypes of mild cognitive impairment in Parkinson's disease using cluster analysis.
Dana Pourzinal, Ji Hyun J Yang, Gerard J Byrne, John D O'Sullivan, Leander Mitchell

J Neurol· November 2020

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Characteristics of advanced Parkinson's disease patients seen in movement disorder clinics - Australian results from the cross-sectional OBSERVE study.
Andrew Evans, Victor S C Fung, John D O'Sullivan, Rick Stell, Richard White

Clin Park Relat Disord· October 2020

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Differential patterns of internally generated responses in parkinsonian disorders.
Priscilla Tjokrowijoto, Amelia Ceslis, John D O Sullivan, Robert Adam, George Mellick

Neuropsychologia· September 2020

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Too much of a good thing: hedonistic homoeostatic dysregulation and other behavioural consequences of excessive dopamine replacement therapy in Parkinson's disease.
John D O'Sullivan

J Neurol Neurosurg Psychiatry· June 2020

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Updates and advances in the treatment of Parkinson disease.
Michael W Hayes, Victor Sc Fung, Thomas E Kimber, John D O'Sullivan

Med J Aust· September 2019

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The CuePed Trial: How Does Environmental Complexity Impact Cue Effectiveness? A Comparison of Tonic and Phasic Visual Cueing in Simple and Complex Environments in a Parkinson's Disease Population with Freezing of Gait.
Rodney Marsh, Michael H Cole, Nadeeka N W Dissanayaka, Tiffany R Au, Sandra Clewett, John D O'Sullivan

Parkinsons Dis· July 2019

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