title: Infant state: relationship to heart rate, behavioral response and response decrement.
mesh_terms: D000161:Acoustic Stimulation; D000704:Analysis of Variance; D001307:Auditory Perception; D002652:Child Behavior; D002657:Child Development; D003448:Crying; D005260:Female; D006339:Heart Rate; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D012890:Sleep; D014851:Wakefulness