title: Concept of uprightness in baboons: assessment with pictures of realistic scenes.
mesh_terms: D000818:Animals; D032882:Comprehension; D003210:Concept Formation; D008297:Male; D009949:Orientation; D048531:Papio papio / Q000523:psychology*; D010775:Photic Stimulation; D013037:Spatial Behavior; D014163:Transfer, Psychology; D014796:Visual Perception