Body rocking, head banging, and head rolling: an analysis of rhythmic motor activities in normal infants.
D002657:Child Development; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008426:Maternal Deprivation; D009043:Motor Activity; D009422:Nervous System Diseases / Q000175:diagnosis; D012653:Self Stimulation; D012677:Sensation; D012737:Sex Factors