And then digging in: en.wikipedia.org/wiki/Posteri... "The #PosteriorCingulateCortex forms a central node in the #DefaultModeNetwork of the brain. It has been shown to communicate with various brain networks simultaneously and is involved in diverse functions.Along with the #precuneus, the PCC"

Posterior cingulate cortex - W...

"The #PosteriorCingulateCortex, the #AnteriorCingulateFortex, and #MedialPrefrontalCortex are thought to combine to provide humans with the ability to #SelfReflect. The #InsularFortex is also thought to be involved in the process of #SelfReference."