Abstract：
:We report experiments designed to learn whether different kinds of perceptually unstable visual images engage different neural mechanisms. 21 subjects viewed two types of bi-stable images while we scanned the activity in their brains with functional magnetic resonance imaging (fMRI); in one (intra-categorical type) the two percepts remained within the same category (e.g. face-face) while in the other (cross-categorical type) they crossed categorical boundaries (e.g. face-body). The results showed that cross- and intra-categorical reversals share a common reversal-related neural circuitry, which includes fronto-parietal cortex and primary visual cortex (area V1). Cross-categorical reversals alone engaged additional areas, notably anterior cingulate cortex and superior temporal gyrus, which have been posited to be involved in conflict resolution.
journal_name
Neuroimagejournal_title
NeuroImageauthors
Ishizu T,Zeki Sdoi
10.1016/j.neuroimage.2014.01.040subject
Has Abstractpub_date
2014-05-01 00:00:00pages
203-9eissn
1053-8119issn
1095-9572pii
S1053-8119(14)00061-5journal_volume
91pub_type
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