3 'Antisocial' Habits That Signal Intelligence, By A Psychologist

A 2016 analysis of 15,197 young adults found that higher cognitive ability reversed the usual positive link between socializing and life satisfaction.

Researchers used the savanna theory of happiness to explain why more intelligent people may prefer solitude for productive thought.

Neuroscience links solitude and mind-wandering to activation of the default mode network, incubation, and creative problem solving.