Part of brain network much bigger in people with depression, scientists find

Research suggests expanded frontostriatal salience network could be risk factor for developing condition

Researchers have gained new insight into how and why some people experience depression after finding a particular brain network is far bigger in people living with the condition.

The surface of the brain is a communication junction box at which different areas talk to each other to carry out particular processes. But there is a finite amount of space for these networks to share.