title: THE SMILING RESPONSE. II. VISUAL DISCRIMINATION AND THE ONSET OF DEPTH PERCEPTION.
mesh_terms: D002648:Child; D003867:Depth Perception; D006801:Humans; D007223:Infant; D002666:Psychology, Child; D012904:Smiling; D014796:Visual Perception
keywords: CHILD PSYCHOLOGY; DEPTH PERCEPTION; INFANT; VISUAL PERCEPTION