Psychology

With Ilana Ritov, Jon Baron found that outcomes that are absolutely prohibited (PVs) tend to show a greater discrepancy between acts and omissions that cause them (omission bias).

The origin of social relationships: Robert Seyfarth, Dorothy Cheney, and their colleagues have recently found that, among baboons in the Okavango Delta of Botswana, survival is greatest in the offspring of mothers who have the strongest bonds with other females.

Harvey Grill and lab members have shown that leptin, a hormone made in fat, acts on the same neurons in the brain that respond to signals arising from food in the stomach. Immunohistochemical images of **green** pSTAT leptin responsive cells, **red** c-Fos stomach distention responsive cells and yellow neurons responsive to both signals