Pedro Barbosa1,2, Sean S O'Sullivan3, Eileen Joyce2,4, Andrew J Lees1, Thomas T Warner1,2, Atbin Djamshidian1,5. 1. Reta Lila Weston Institute of Neurological Studies, Department of Clinical Movement Disorder and Neuroscience Institute of Neurology, University College London London United Kingdom. 2. The National Hospital for Neurology and Neurosurgery London United Kingdom. 3. Department of Neurology Bon Secours Hospital Cork Ireland. 4. Department of Clinical Movement Disorder and Neuroscience Institute of Neurology, University College London London United Kingdom. 5. Department of Neurology Innsbruck Medical University Innsbruck Austria.
Abstract
BACKGROUND: Little is known about the cognitive and neuropsychiatric profile associated with punding and hobbyism in Parkinson's disease (PD). OBJECTIVE: To compare the clinical and neuropsychological features of PD patients with punding and hobbyism to PD controls. METHODS: The Questionnaire for Impulsive-Compulsive Disorders in Parkinson's Disease-Rating Scale (QUIP-RS) was used as a screening tool, and a structured interview was used to diagnose punding/hobbyism. Clinical and neuropsychological assessment was conducted with validated questionnaires/scales. RESULTS: Twenty-one patients with PD and punding (PD + pu) were compared to 26 with hobbyism (PD + h) and 25 PD controls. PD + pu patients showed higher levels of anxiety, non-motor symptoms and motor symptoms, and lower Frontal Assessment Battery scores. The PD + h group exhibited similar levels of anxiety and motor fluctuations to the PD + pu group. CONCLUSION: PD + pu showed increased anxiety and frontal lobe dysfunction, similar to PD + h. Hobbyism could be a prodromal phase with increased risk of leading to punding.
BACKGROUND: Little is known about the cognitive and neuropsychiatric profile associated with punding and hobbyism in Parkinson's disease (PD). OBJECTIVE: To compare the clinical and neuropsychological features of PD patients with punding and hobbyism to PD controls. METHODS: The Questionnaire for Impulsive-Compulsive Disorders in Parkinson's Disease-Rating Scale (QUIP-RS) was used as a screening tool, and a structured interview was used to diagnose punding/hobbyism. Clinical and neuropsychological assessment was conducted with validated questionnaires/scales. RESULTS: Twenty-one patients with PD and punding (PD + pu) were compared to 26 with hobbyism (PD + h) and 25 PD controls. PD + pu patients showed higher levels of anxiety, non-motor symptoms and motor symptoms, and lower Frontal Assessment Battery scores. The PD + h group exhibited similar levels of anxiety and motor fluctuations to the PD + pu group. CONCLUSION: PD + pu showed increased anxiety and frontal lobe dysfunction, similar to PD + h. Hobbyism could be a prodromal phase with increased risk of leading to punding.
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