title: Infant reactivity to redundant proprioceptive and auditory stimulation: a twin study.
mesh_terms: D001307:Auditory Perception; D002652:Child Behavior; D005260:Female; D005824:Genetics, Behavioral; D006801:Humans; D007223:Infant; D007699:Kinesthesis; D008297:Male; D009043:Motor Activity; D011247:Pregnancy; D011984:Sensory Receptor Cells; D013016:Sound; D014427:Twins