Does left-handedness confer resistance to spatial bias?

Bareham, Corinne A., Bekinschtein, Tristanf A., Scott, Sophie K. and Manly, Tom (2015) Does left-handedness confer resistance to spatial bias?. Scientific Reports, 5 Art No.: 9162: . doi:10.1038/srep09162

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Author Bareham, Corinne A.
Bekinschtein, Tristanf A.
Scott, Sophie K.
Manly, Tom
Title Does left-handedness confer resistance to spatial bias?
Journal name Scientific Reports   Check publisher's open access policy
ISSN 2045-2322
Publication date 2015-03-17
Year available 2015
Sub-type Article (original research)
DOI 10.1038/srep09162
Open Access Status DOI
Volume 5
Issue Art No.: 9162
Total pages 5
Place of publication London United Kingdom
Publisher Nature Publishing Group
Collection year 2016
Language eng
Formatted abstract
We recently demonstrated that drowsiness, indexed using EEG, was associated with left-inattention in a group of 26 healthy right-handers. This has been linked to alertness-related modulation of spatial bias in left neglect patients and the greater persistence of left, compared with right, neglect following injury. Despite handedness being among the most overt aspects of human lateralization, studies of this healthy analogue of left neglect have only been conducted with predominantly or exclusively right-handed individuals. Here, with a group of 26 healthy non-right-handers we demonstrate that, unlike right-handers who showed a rightward shift in attention with drowsiness, non-right-handers showed the opposite pattern on an auditory spatial localization task. The current results are the first indication that factors linked to handedness can affect the development and extremity of spatial biases, potentially conferring resilience to clinical symptoms in non-right-handers and, given that 90% of us are right-handed, why left neglect is disproportionately persistent.
Keyword Attention
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Queensland Brain Institute Publications
Official 2016 Collection
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Citation counts: TR Web of Science Citation Count  Cited 2 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 2 times in Scopus Article | Citations
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Created: Tue, 31 Mar 2015, 00:19:57 EST by System User on behalf of Queensland Brain Institute