Health

The neuroscience prosopagnosia

Gene ExpressionBy Razib KhanDec 1, 2008 9:23 AM

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A few years ago I blogged about prosopagnosia, "face blindness." Nature Neuroscience now has a new paper finding some correlates with brain architecture, Reduced structural connectivity in ventral visual cortex in congenital prosopagnosia:

Using diffusion tensor imaging and tractography, we found that a disruption in structural connectivity in ventral occipito-temporal cortex may be the neurobiological basis for the lifelong impairment in face recognition that is experienced by individuals who suffer from congenital prosopagnosia. Our findings suggest that white-matter fibers in ventral occipito-temporal cortex support the integrated function of a distributed cortical network that subserves normal face processing.

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