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

Varnava, Alice, Dervinis, Martynas and Chambers, Christopher D. ORCID: https://orcid.org/0000-0001-6058-4114 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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Abstract

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 Psychology
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:	11 Oct 2024 01:05
URI:	https://orca.cardiff.ac.uk/id/eprint/48216

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