title: Game-playing women shed light on biology of cooperation.
mesh_terms: D000533:Altruism; D001921:Brain / Q000000981:diagnostic imaging; D002755:Choice Behavior; D003299:Cooperative Behavior; D005260:Female; D005716:Game Theory; D006801:Humans; D007398:Interpersonal Relations; D009042:Motivation; D010988:Play and Playthings; D011859:Radiography