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The effect of viewing graspable objects and actions in Parkinson's Disease

Poliakoff, E, Galpin, AJ, Dick, J, Moore, P and Tipper, SP 2007, 'The effect of viewing graspable objects and actions in Parkinson's Disease' , NeuroReport, 18 (5) , pp. 483-487.

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Abstract

Viewing action-relevant stimuli such as a graspable object or another person moving can affect the observer's own motor system. Evidence exists that external stimuli may facilitate or hinder movement in Parkinson's disease, so we investigated whether action-relevant stimuli would exert a stronger influence. We measured the effect of action-relevant stimuli (graspable door handles and finger movements) on reaction times compared with baseline stimuli (bars and object movements). Parkinson's patients were influenced by the location of the baseline stimuli, but unlike healthy controls, action-relevant stimuli did not exert a stronger influence. This suggests that external cues exert their influence in Parkinson's disease through lower-level visual processes and the influence of action-relevant stimuli on the motor system is disrupted.

Item Type: Article
Themes: Subjects / Themes > R Medicine > R Medicine (General)
Health and Wellbeing
Schools: Colleges and Schools > College of Health & Social Care > School of Health Sciences > Centre for Health Sciences Research
Colleges and Schools > College of Arts & Social Sciences > School of Arts & Media > Communication, Cultural & Media Studies Research Centre
Colleges and Schools > College of Science & Technology
Colleges and Schools > College of Science & Technology > School of Environment and Life Sciences
Journal or Publication Title: NeuroReport
Publisher: Lippincott, Williams & Wilkins
Refereed: Yes
ISSN: 0959-4965
Depositing User: H Kenna
Date Deposited: 20 Aug 2007 15:35
Last Modified: 20 Aug 2013 16:46
URI: http://usir.salford.ac.uk/id/eprint/256

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