The effect of feedback on the control of cardiac rate.
D000293:Adolescent; D000328:Adult; D000704:Analysis of Variance; D003216:Conditioning, Operant; D005246:Feedback; D006339:Heart Rate; D006801:Humans; D007858:Learning; D008991:Monitoring, Physiologic; D011603:Psychophysiology; D014785:Vision, Ocular