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The predictive nature of pseudoneglect for visual neglect: Evidence from parietal theta burst stimulation

Varnava, Alice, Dervinis, Martynas and Chambers, Christopher D. 2013. The predictive nature of pseudoneglect for visual neglect: Evidence from parietal theta burst stimulation. Plos One 8 (6) , e65851. 10.1371/journal.pone.0065851

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Following parietal damage most patients with visual neglect bisect horizontal lines significantly away from the true centre. Neurologically intact individuals also misbisect lines; a phenomenon referred to as ‘pseudoneglect’. In this study we examined the relationship between neglect and pseudoneglect by testing how patterns of pre-existing visuospatial asymmetry predict asymmetry caused by parietal interference. Twenty-four participants completed line bisection and Landmark tasks before receiving continuous theta burst stimulation to the left or right angular gyrus. Results showed that a pre-existing pattern of left pseudoneglect (i.e. right bias), but not right pseudoneglect, predicts left neglect-like behaviour during line bisection following right parietal cTBS. This correlation is consistent with the view that neglect and pseudoneglect arise via a common or linked neural mechanism.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Subjects: R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
Publisher: Public Library of Science
ISSN: 1932-6203
Funders: BBSRC, Wales Institute of Cognitive Neuroscience
Date of First Compliant Deposit: 30 March 2016
Last Modified: 13 Apr 2019 21:19

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