The default mode network (DMN) is a set of interconnected brain regions known to be most active when humans are awake but not engaged in physical activities, such as relaxing, resting or daydreaming.

(Oscar Wong/Moment/Getty Images) A second pregnancy alters the brain in distinctive ways that are not simply a repeat of the first, new research shows. Compared with women having their first child and ...

A study published June 25 in the American Journal of Psychiatry provides new insights into a long-standing question in psychiatric research: What is the underlying neurobiological mechanism of ...

Expert Matt Zemon on how new therapies change the way our brains work. Has there been a psychedelic surge lately, or is it just me? Throughout my time in college, I swear I couldn't go one day without ...

What Is the Default Mode Network? The default mode network (DMN) is a system of connected brain areas that show increased activity when a person is not focused on what is happening around them. The ...

Insomnia is often dismissed as a nighttime nuisance, but mounting evidence suggests it is a full‑time brain state that refuses to power down. Instead of smoothly shifting into a quieter, internally ...

Your brain is busy all day – planning, worrying, imagining, replaying conversations, solving problems. But when you’re not focusing on something specific, it still has a “go-to” mode it tends to ...