The default mode was one of the first brain networks characterized by science. It consists of a handful of brain regions, including a few at the front of the brain, like the dorsal and ventral medial prefrontal cortices, and others scattered throughout the organ, like the posterior cingulate cortex, the precuneus and the angular gyrus. These regions are associated with memory, experience replay, prediction, action consideration, reward/punishment and information integration...
According to research, the effects of the default mode network include mind wandering, remembering past experiences, thinking about others' mental states, envisioning the future and processing language. While this may seem like a grab bag of unrelated aspects of cognition, Vinod Menon, the director of the Stanford Cognitive & Systems Neuroscience Laboratory, recently theorized that all of these functions may be helpful in constructing an internal narrative. In his view, the default mode network helps you think about who you are in relation to others, recall your past experiences and then wrap up all of that into a coherent self-narrative.
What Your Brain Is Doing When You're Not Doing Anything -- https://www.quantamagazine.org/what-your-brain-is-doing-when-youre-not-doing-anything-20240205
Great article.
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