Deficits of Motor Intention following Parietal Lesions | Zendy

Christopher L. Gore | Zendy; P. Dennis Rodriguez | Zendy; Gordon C. Baylis | Zendy

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Deficits of Motor Intention following Parietal Lesions

Author(s) -

Christopher L. Gore,

P. Dennis Rodriguez,

Gordon C. Baylis

Publication year - 2002

Publication title -

behavioural neurology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.859

H-Index - 48

eISSN - 1875-8584

pISSN - 0953-4180

DOI - 10.1155/2002/310138

Subject(s) - posterior parietal cortex , parietal lobe , cued speech , psychology , task (project management) , neuroscience , cognitive psychology , coding (social sciences) , frontal lobe , physical medicine and rehabilitation , medicine , statistics , mathematics , management , economics

Patients with lesions to the right parietal lobe were tested on their ability to reach to targets, or to respond verbally to targets. The targets occurred at the same two spatial locations--to the left and right of the patient--with the task being cued by the color of the target. Patients were able to perform both tasks separately rapidly and without error. However, when the two tasks were interleaved, they had difficulty making a response in the left (contralesional) field when this was different to a response that they had just made. These results suggest that lesions to the parietal cortex may cause a deficit in the coding for motor intention, as well as attention in the contralesional field.

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