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The Predictive Nature of Pseudoneglect for Visual Neglect: Evidence from Parietal Theta Burst Stimulation

PLoS ONE, ISSN: 1932-6203, Vol: 8, Issue: 6, Page: e65851
2013
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Article Description

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. © 2013 Varnava et al.

Bibliographic Details

http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84879148039&origin=inward; http://dx.doi.org/10.1371/journal.pone.0065851; http://www.ncbi.nlm.nih.gov/pubmed/23823975; https://dx.plos.org/10.1371/journal.pone.0065851.g002; http://dx.doi.org/10.1371/journal.pone.0065851.g002; https://dx.plos.org/10.1371/journal.pone.0065851.g007; http://dx.doi.org/10.1371/journal.pone.0065851.g007; https://dx.plos.org/10.1371/journal.pone.0065851; https://dx.plos.org/10.1371/journal.pone.0065851.g003; http://dx.doi.org/10.1371/journal.pone.0065851.g003; https://dx.plos.org/10.1371/journal.pone.0065851.t001; http://dx.doi.org/10.1371/journal.pone.0065851.t001; https://dx.plos.org/10.1371/journal.pone.0065851.g006; http://dx.doi.org/10.1371/journal.pone.0065851.g006; https://dx.plos.org/10.1371/journal.pone.0065851.g001; http://dx.doi.org/10.1371/journal.pone.0065851.g001; https://dx.plos.org/10.1371/journal.pone.0065851.g005; http://dx.doi.org/10.1371/journal.pone.0065851.g005; https://dx.plos.org/10.1371/journal.pone.0065851.g004; http://dx.doi.org/10.1371/journal.pone.0065851.g004; https://dx.doi.org/10.1371/journal.pone.0065851.g005; https://journals.plos.org/plosone/article/figure?id=10.1371/journal.pone.0065851.g005; https://dx.doi.org/10.1371/journal.pone.0065851.g004; https://journals.plos.org/plosone/article/figure?id=10.1371/journal.pone.0065851.g004; https://dx.doi.org/10.1371/journal.pone.0065851.t001; https://journals.plos.org/plosone/article/figure?id=10.1371/journal.pone.0065851.t001; https://dx.doi.org/10.1371/journal.pone.0065851.g003; https://journals.plos.org/plosone/article/figure?id=10.1371/journal.pone.0065851.g003; https://dx.doi.org/10.1371/journal.pone.0065851.g001; https://journals.plos.org/plosone/article/figure?id=10.1371/journal.pone.0065851.g001; https://dx.doi.org/10.1371/journal.pone.0065851.g007; https://journals.plos.org/plosone/article/figure?id=10.1371/journal.pone.0065851.g007; https://dx.doi.org/10.1371/journal.pone.0065851.g006; https://journals.plos.org/plosone/article/figure?id=10.1371/journal.pone.0065851.g006; https://dx.doi.org/10.1371/journal.pone.0065851; https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0065851; https://dx.doi.org/10.1371/journal.pone.0065851.g002; https://journals.plos.org/plosone/article/figure?id=10.1371/journal.pone.0065851.g002; http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0065851; https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0065851&type=printable; http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0065851#pone-0065851-t001; http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0065851&type=printable; http://dx.plos.org/10.1371/journal.pone.0065851.g006; http://dx.plos.org/10.1371/journal.pone.0065851; http://dx.plos.org/10.1371/journal.pone.0065851.g002; http://dx.plos.org/10.1371/journal.pone.0065851.g005; http://dx.plos.org/10.1371/journal.pone.0065851.g003; http://dx.plos.org/10.1371/journal.pone.0065851.t001; http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0065851; http://dx.plos.org/10.1371/journal.pone.0065851.g007; http://www.plosone.org/article/metrics/info:doi/10.1371/journal.pone.0065851; http://dx.plos.org/10.1371/journal.pone.0065851.g001; http://dx.plos.org/10.1371/journal.pone.0065851.g004

Alice Varnava; Martynas Dervinis; Christopher D. Chambers; Angela Sirigu

Public Library of Science (PLoS)

Biochemistry, Genetics and Molecular Biology; Agricultural and Biological Sciences; Multidisciplinary

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