title: The role of visual-holding cues and the simultanizing strategy in infant operant learning.
mesh_terms: D000161:Acoustic Stimulation; D000367:Age Factors; D001288:Attention; D001307:Auditory Perception; D002657:Child Development; D003216:Conditioning, Operant; D003463:Cues; D005246:Feedback; D005260:Female; D005403:Fixation, Ocular; D006801:Humans; D007223:Infant; D008297:Male; D008568:Memory; D009949:Orientation; D014796:Visual Perception