Human Brain 'Lights Up' While Expecting a Treat

Expecting a reward or punishment can affect brain activity in areas responsible for processing different senses, including sight or touch, reveals a new study. For example, research shows that these brain regions light up on brain scans when humans are expecting a treat. However, researchers know less about what happens when the reward is actually received-or an expected reward is denied. To get a better grasp on how the brain behaves when people who ...