Noun

(en-noun)

(anatomy) The region of the brain, located in the medial temporal lobe, believed to play a key role in the emotions, such as fear and pleasure, in both animals and humans.

* {{quote-news, year=2009, date=February 12, author=David Brooks, title=The Worst-Case Scenario , work=New York Times citation

, passage=Cognitive scientists distinguish between normal risk-assessment decisions, which activate the reward-prediction regions of the brain, and decisions made amid extreme uncertainty, which generate activity in the amygdala .}}