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Posted by sam45 at Dec 22, 2014 10:35 AM |

The Face Is An Entryway to The Self

What happens in the brain when you see—really “see”—a friend's smile or scowl

Dec 18, 2014 | By Christof Koch
Scientific American Mind Vol. 26, Issue 1

Because recognizing a face is so vital to our social lives, it comes as no surprise that a lot of real estate in the cerebral cortex—the highly convoluted region that makes up the bulk of our brain—is devoted to a task crucial to processing faces and their identity. We note whether someone looks our way or not. We discern emotional expressions, whether they register joy, fear or anger. Indeed, functional brain imaging has identified a set of adjacent regions, referred to as the fusiform face area (FFA), that are situated on the left and the right sides of the brain, at the bottom of the temporal lobe of the cerebral cortex. The FFA turns up its activity when subjects look at portraits or close-ups of faces or even when they just think about these images……..

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