Mirror image and self-recognition in young human infants: I. A method of experimental analysis.
D000375:Aging; D001288:Attention; D005133:Eye Movements; D005149:Facial Expression; D005260:Female; D005403:Fixation, Ocular; D006801:Humans; D007223:Infant; D008297:Male; D009043:Motor Activity; D010865:Pilot Projects; D012107:Research Design; D012649:Self Concept; D012919:Social Behavior; D012931:Social Environment; D013690:Television; D014796:Visual Perception