Abstract:
:An fMRI investigation was conducted to determine whether patients with impaired face recognition, a deficit known as prosopagnosia, would show functional activation in the fusiform gyrus, the neural substrate for face processing, when viewing faces. While the patients did show activation in the fusiform gyrus, with significantly more voxels in posterior areas than their control subjects, this activation was not sufficient for face processing. In one of the patients, the posterior activation was particularly evident in the left hemisphere, which is thought to be involved in feature-based strategies of face perception. We conclude that an increased reliance on feature-based processing in prosopagnosia leads to a recruitment of neurons in posterior regions of the fusiform gyrus, regions that are not ideally suited for processing faces.
journal_name
Neuroreportjournal_title
Neuroreportauthors
Marotta JJ,Genovese CR,Behrmann Mdoi
10.1097/00001756-200106130-00014subject
Has Abstractpub_date
2001-06-13 00:00:00pages
1581-7issue
8eissn
0959-4965issn
1473-558Xjournal_volume
12pub_type
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