Cognition and emotion are foundational for many of the mechanisms proposed behind racist movement recruitment and mobilization. Cognition and emotion are, of course, incredibly general terms that capture a range of psychological and social-psychological phenomena. Cognition refers to the set of mental processes behind knowledge acquisition, storage, and usage; and emotion refers to the range of sudden, short-term neurobiological reactions to environmental stimuli as well as to more durable affective dispositions that one might call “moods” or “feelings.”