Tuesday, September 20, 2011

Fusiform gyrus key to understanding neuroanatomic basis of Capgras delusion

Thanks to Doug Shevlin, MD (pictured with crawdaddy) for steering me toward this TED talk by neuroscientist Vilayanura Ramachandran, MD, PhD. Dr. Ramachandran discusses the neuroanatomical substrate of the Capgras delusion, a neurological deficit about which I have blogged before. Dr. Ramachandran explains that the origin of this fascinating deficit stems from a severing (typically resulting from a stroke or neurodegenerative disorder) of the connection between the fusiform gyrus (the face perception area of the brain) and the amygdala (which gages the emotional significance of a perception). Good stuff....  including the crawdaddy.

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