Communicative versus Strategic Rationality: Habermas Theory of Communicative Action and the Social Brain. User shrillthrill, in the Ακαδημαική Φιλοσοφία - Academic Philosophy subreddit, 09 Jan 2014
Additional evidence that areas of the brain involved in the strategic thinking are competitive with those governing emotional thinking User KingOfBrains, in the Reddit Science subreddit, 06 Jun 2013