Abstract #0755
Face and Body Selective Regions of the Marmoset Extrastriate Visual Cortex
ChiaChun Hung 1,2 , Cecil Chern-Chyi Yen 1 , Jennifer L Ciuchta 1 , Daniel Papoti 1 , David A Leopold 2 , and Afonso C Silva 1
1
CMU/LFMI/NINDS, National Institutes of
Health, Bethesda, MD, United States,
2
SCNI/LN/NIMH,
National Institutes of Health, Bethesda, MD, United
States
The ventral temporal cortex of humans and macaques is
marked by multiple, distinct regions specialized for the
visual processing of faces and bodies. Here we
demonstrate a similar category-specific organization in
the common marmoset (Callithrix jacchus), a small, New
World monkey. By using functional magnetic resonance
imaging (fMRI) and electrocorticography (ECoG) in awake,
trained animals, we demonstrate six face-selective and
three adjacent body-selective cortical regions in the
marmoset visual cortex. These findings suggest that key
elements of ventral stream specialization for face and
body processing were present in a common anthropoid
primate ancestor at least 35 million years ago.
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