title: What are big brains for?
authors.affiliation: Department of Psychology, University of Pennsylvania, Philadelphia, PA 19104, USA. seyfarth@psych.upenn.edu
authors.forename: Robert M
authors.initials: RM
authors.lastname: Seyfarth
authors.forename: Dorothy L
authors.initials: DL
authors.lastname: Cheney
mesh_terms: D000818:Animals; D001921:Brain / Q000033:anatomy & histology*; D007360:Intelligence; D007858:Learning; D011323:Primates / Q000033:anatomy & histology* / Q000523:psychology*; D012919:Social Behavior