title: Symbolization, language, and chimpanzees: a theoretical reevaluation based on initial language acquisition processes in four young Pan troglodytes.
mesh_terms: D000818:Animals; D001245:Association Learning; D003216:Conditioning, Operant; D004193:Discrimination Learning; D005260:Female; D006801:Humans; D007802:Language; D007804:Language Development; D007858:Learning; D008297:Male; D008960:Models, Psychological; D002679:Pan troglodytes