Bidirectional heart-rate change to photic stimulation in infant rats: implication for orienting/defensive reflex distinction.
D000818:Animals; D000831:Animals, Newborn; D001143:Arousal; D006185:Habituation, Psychophysiologic; D006339:Heart Rate; D009949:Orientation; D010775:Photic Stimulation; D051381:Rats; D011919:Rats, Inbred Strains; D012018:Reflex