Heart rate changes in a reaction time experiment with young and aged subjects.
D000328:Adult; D000367:Age Factors; D000704:Analysis of Variance; D001307:Auditory Perception; D004562:Electrocardiography; D006339:Heart Rate; D006801:Humans; D008297:Male; D011930:Reaction Time; D012119:Respiration; D013997:Time Factors