Neural developmental changes in processing inverted faces |
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Authors: | Jane E Joseph Ann D Gathers Xun Liu Christine R Corbly Sarah K Whitaker Ramesh S Bhatt |
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Institution: | (1) Laboratory of Experimental Psychology, University of Leuven, Tiensestraat 102, PSI 00.70, B-3000 Leuven, Belgium |
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Abstract: | We explored developmental changes in neural substrates for face processing, using fMRI. Children and adults performed a perceptual-matching
task with upright and inverted face and animal stimuli. Behaviorally, inversion disrupted face processing more than animal
processing for adults and older children. In line with this behavioral pattern, the left middle occipital gyrus showed a stronger
face than animal inversion effect in adults. Moreover, a superior aspect of this region showed a greater face inversion effect
in older than in younger children, indicating a developmental change in the processing of inverted faces. The visual regions
recruited for inverted face processing in adults also overlapped more with brain regions involved in the viewing of upright
objects than with regions involved in the viewing of upright faces in an independent localizer task. Hence, when faces are
inverted, adults recruit regions normally engaged for recognizing objects, possibly pointing to a role for the featural processing
of inverted faces. |
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