title: Infant heart rate response as a function of stimulus and state.
mesh_terms: D001143:Arousal; D001307:Auditory Perception; D003214:Conditioning, Classical; D005260:Female; D006339:Heart Rate; D006801:Humans; D007223:Infant; D008297:Male; D009949:Orientation; D011930:Reaction Time; D013016:Sound