So if whites see a black face shown at a subliminal speed, the amygdala activates.10 But if the face is shown long enough for conscious processing, the anterior cingulate and the "cognitive" dlPFC then activate and inhibit the amygdala. It's the frontal cortex exerting executive control over the deeper, darker amygdaloid response.
( Robert M. Sapolsky )
[ Behave: The Biology of Humans ]
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