When your mind is wandering, your brain’s “default mode” network is active. Its discovery 20 years ago inspired a raft of research into networks of brain regions and how they interact with each other.
https://www.wired.com/story/what-your-brain-is-doing-when-youre-not-doing-anything/?utm_source=dlvr.it&utm_medium=blogger
https://www.wired.com/story/what-your-brain-is-doing-when-youre-not-doing-anything/?utm_source=dlvr.it&utm_medium=blogger