A recent study in Psychiatry Research: Neuroimaging sheds new light on the brain’s role in rumination, a mental pattern often linked to depression. Researchers found that people who tend to ruminate have structural differences in a region of the brain called the precuneus, which seems closely tied to other brain areas involved in memory, self-focus, and attention. These findings suggest that rumination in depression may stem from how various brain networks interact rather than isolated brain regions. Depression can vary widely in its effects, but many people with depression experience ruminati…