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.

Default Mode Network (DMN): A network of brain regions that is active when a person is not focused on the external environment, often associated with self-referential thoughts and daydreaming.

The DMN is spread out across many dispersed brain regions, making it more difficult to track its activity in real time. The researchers had to use an advanced method of brain activity imaging to ...

We investigated which brain regions and connections change due ... deeper into how social media disrupts the brain’s “default mode network” (DMN) — a system that’s active when you ...

At some point in your life, you must've experienced a lightbulb moment when an amazing idea just popped into your head out of nowhere. But what is your brain doing during these brief periods of ...