Fig. 1

Mood measurements were collected at home on the day of the first and third sessions. Before starting the experiment, the participants received an explanation of AT. They were first instructed to relax for 2Â min, and then they were instructed to engage in AT for 3Â min. After an interval of 2Â min, they repeated the AT. The SAMY level, TEMP, and subjective symptom score were collected both before and after AT