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Nat Neurosci. 2007 Jun;10(6):685-6. Epub 2007 May 7.

Only some spatial patterns of fMRI response are read out in task performance.

Author information

1
McGovern Institute for Brain Research, 77 Massachusetts Avenue, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA. markaw@mit.edu

Abstract

Classification methods show that the spatial pattern of a functional magnetic resonance imaging response across the cortex contains category information, but whether such patterns are used, or 'read out', in behavioral performance remains untested. We show that although the spatial pattern in both the retinotopic and lateral occipital cortex (LOC) in humans contains category information, only in the LOC is the pattern stronger for correct than for incorrect trials. Thus, some, but not all, spatial patterns are read out during task performance.

PMID:
17486103
PMCID:
PMC2744445
DOI:
10.1038/nn1900
[Indexed for MEDLINE]
Free PMC Article

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