Stress-evoked changes in circuits that regulate serotonin in certain parts of the brain can precipitate a low mood and a relapse of cocaine-seeking, based on mouse studies.

New research suggests that regardless of sexual orientation, men prefer sexual dimorphism in faces. This study finds that gay men preferred the most masculine-faced men, while straight men preferred the most feminine-faced women. The findings suggest that regardless of sexual

A genetic tendency to depression is much less likely to be realized in a culture centered on collectivistic rather than individualistic values, according to a new study. In other words, a genetic vulnerability to depression is much more likely to

Imagine: during lunch your colleague throws an apple to you. You catch it (of course) without difficulty. But what actually happened? Did you consciously decide to catch the apple with two hands? And how did your hands know where they

Inflammatory response of brain cells -- as indicated by a molecular imaging technique -- could tell researchers more about why certain neurologic disorders, such as migraine headaches and psychosis in schizophrenic patients, occur and provide insight into how to best