Activity states in premature and term infants.
D001143:Arousal; D002657:Child Development; D003448:Crying; D005865:Gestational Age; D006234:Handling, Psychological; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D009043:Motor Activity; D009460:Neurologic Examination; D012890:Sleep; D014851:Wakefulness