depression and other disorders may depend on the amygdala, a part of the brain that controls strong emotional reactions, especially fear. But a deep understanding of this structure has been lacking.
The three main brain centers in the circuitry of anxiety—the amygdala, the hippocampus, and the prefrontal cortex (PFC)—are all subject to lasting shifts in structure and function as a result ...
The amygdala, which is centrally involved in ... link brain characteristics to specific disorders, some aspects of brain structure and function appear related to a variety of conditions.