Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.neuropsychologia.2011.09.019
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dc.titlePre-stimulus pattern of activity in the fusiform face area predicts face percepts during binocular rivalry
dc.contributor.authorHsieh, P.-J.
dc.contributor.authorColas, J.T.
dc.contributor.authorKanwisher, N.G.
dc.date.accessioned2016-10-19T08:43:11Z
dc.date.available2016-10-19T08:43:11Z
dc.date.issued2012-03
dc.identifier.citationHsieh, P.-J., Colas, J.T., Kanwisher, N.G. (2012-03). Pre-stimulus pattern of activity in the fusiform face area predicts face percepts during binocular rivalry. Neuropsychologia 50 (4) : 522-529. ScholarBank@NUS Repository. https://doi.org/10.1016/j.neuropsychologia.2011.09.019
dc.identifier.issn00283932
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/128613
dc.description.abstractVisual input is ambiguous, yet conscious experience is unambiguous. In binocular rivalry the two eyes receive conflicting images, but only one of them is consciously perceived at a time. Here we search for the neural sites of the competitive interactions underlying this phenomenon by testing whether neural pattern activity occurring before stimulus presentation can predict the initial dominant percept in binocular rivalry and, if so, where in the brain such predictive activity is found. Subjects were scanned while viewing an image of a face in one eye and an image of a house in the other eye with anaglyph glasses. The rivalrous stimulus was presented briefly for each trial, and the subject indicated which of the two images he or she preferentially perceived. Our results show that BOLD fMRI multivariate pattern activity in the fusiform face area (FFA) before the stimulus is presented predicts which of the two images will be dominant, suggesting that higher extrastriate areas, such as the FFA, are not only correlated with, but may also be involved in determining the initial dominant percept in binocular rivalry. Furthermore, by examining pattern activity before and after trial onset, we found that pre-trial activity in the FFA for the rivalrous face trials is no more similar to the post-trial activity for the non-rivalrous face trials than to that for the non-rivalrous house trials, indicating a dissociation between neural pattern information, which predicts a given state of awareness, and mean responses, which reflect the state of awareness ultimately achieved. © 2011 Elsevier Ltd.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.neuropsychologia.2011.09.019
dc.sourceScopus
dc.subjectBinocular rivalry
dc.subjectFMRI pattern activity
dc.subjectFusiform face area
dc.subjectPre-stimulus activity
dc.typeArticle
dc.contributor.departmentDUKE-NUS GRADUATE MEDICAL SCHOOL S'PORE
dc.description.doi10.1016/j.neuropsychologia.2011.09.019
dc.description.sourcetitleNeuropsychologia
dc.description.volume50
dc.description.issue4
dc.description.page522-529
dc.description.codenNUPSA
dc.identifier.isiut000301898200009
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