Fig. 1From: Hearing laughter improves the recovery process of the autonomic nervous system after a stress-loading task: a randomized controlled trialFlow of the experimental procedure. Time 1: During rest (10 min), Time 2: During the Uchida-Kraepelin test (15 min), Time 3: During each intervention (5 min). BP: blood pressure, VAS: visual analogue scaleBack to article page