The Brain's Nucleus Accumbens (IMAGE) University of California - Los Angeles Caption Two views of the brain with the nucleus accumbens, a hub of the brain's reward circuitry, highlighted in green. This region was more active when teenagers saw that their own photographs, and those of others, had been "liked" by more peers. Past research suggests that this region is particularly sensitive in adolescence. Credit Lauren Sherman/UCLA Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.