A new review suggests that depression might be better understood as a collection of symptoms as opposed to a single brain disorder.

Depression may not be one biological condition, but several distinct patterns of brain activity hiding under the same ...

Bipolar disorder exists on a spectrum rather than as a single, uniform condition. This fundamental characteristic explains why two people with the same diagnosis can experience dramatically different ...

A new study by researchers at the University of Chicago and the City College of New York has identified a unique, genetic “mimicry switch” that determines whether or not male and female Elymnias ...