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Hemispheric antagonism in visuo-spatial neglect: A case study

Marshall, John C. and Halligan, Peter 1996. Hemispheric antagonism in visuo-spatial neglect: A case study. Journal of the International Neuropsychological Society 2 (5) , pp. 412-418. 10.1017/S1355617700001491

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Abstract

We report a case of severe visuo-spatial neglect consequent upon right-hemisphere stroke. At the time of testing, the patient had no visual field cut and no significant hemiparesis. Conventional testing on cancellation tasks with the right hand revealed reliable left neglect, but performance was significantly improved when the left hand was used. Investigations of (manual) line bisection showed normal performance with the right hand but right neglect when the left hand was used. Right neglect was also observed on a purely perceptual version of the line bisection task. We argue that the attentional vectors of the cerebral hemispheres can be modulated by (perceptual) task-demands and by (motorie) response demands. (JINS, 1996, 2, 412–418.)

Item Type: Article
Date Type: Publication
Status: Published
Schools: Psychology
Subjects: B Philosophy. Psychology. Religion > BF Psychology
R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
Uncontrolled Keywords: Visuo-spatial neglect; Cancellation and line bisection; Laterality of manual response
Additional Information: Pdf uploaded in accordance with publisher's policy at http://www.sherpa.ac.uk/romeo/issn/1355-6177/ (accessed 25/02/2014).
Publisher: Cambridge University Press
ISSN: 1355-6177
Date of First Compliant Deposit: 30 March 2016
Last Modified: 04 Jun 2017 04:14
URI: http://orca.cf.ac.uk/id/eprint/35289

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