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Nat Neurosci. 2000 Feb;3(2):191-7.

Expertise for cars and birds recruits brain areas involved in face recognition.

Author information

1
Department of Psychology, Vanderbilt University, Wilson Hall, Nashville, Tennessee 37240, USA. isabel.gauthier@vanderbilt.edu

Abstract

Expertise with unfamiliar objects ('greebles') recruits face-selective areas in the fusiform gyrus (FFA) and occipital lobe (OFA). Here we extend this finding to other homogeneous categories. Bird and car experts were tested with functional magnetic resonance imaging during tasks with faces, familiar objects, cars and birds. Homogeneous categories activated the FFA more than familiar objects. Moreover, the right FFA and OFA showed significant expertise effects. An independent behavioral test of expertise predicted relative activation in the right FFA for birds versus cars within each group. The results suggest that level of categorization and expertise, rather than superficial properties of objects, determine the specialization of the FFA.

PMID:
10649576
DOI:
10.1038/72140
[Indexed for MEDLINE]

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