Detection versus location judgments in a hidden pattern task: functional MRI and behavioral correlates

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DOIResolve DOI: http://doi.org/10.1080/13803395.2011.554386
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TypeArticle
Journal titleJournal of Clinical and Experimental Neuropsychology
Volume33
Issue7
Pages765775; # of pages: 11
SubjectHidden figures; Embedded figures; Selective attention; Functional magnetic resonance imaging; Visual search
AbstractWe used functional magnetic resonance imaging (fMRI) to assess cortical involvement in a hidden pattern task. The experimental and control conditions involved judgment of the presence/absence versus the position of a complex pattern. Activation specific to hidden pattern identification was concentrated on frontal, dorsal parietal, and mesolimbic cortex. This was consistent not only across individual subjects, but with hidden figures tasks used in previous fMRI investigations. Results suggest that pattern identification relies on a relatively stable neural network controlling selective attention. In combination with fMRI, hidden pattern tasks may be useful in neuropsychological assessment of visual search and object identification.
Publication date
LanguageEnglish
AffiliationNRC Institute for Biodiagnostics; National Research Council Canada
Peer reviewedYes
NPARC number19727294
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Record identifier32625d4d-b7cb-44a0-b338-a2835db94d26
Record created2012-03-28
Record modified2016-05-09
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