Heart-brain-axis and Psychosocial Stress

Two consecutive validated mental stress tests, namely 1) the Montreal Imaging Stress Task consisting of two series of 15-minute mental calculation tests, without (Control Mode) and with (Stress Mode) negative feedback, respectively; and 2) the Trier Social Stress Test consisting of a 5-minute mock job interview (Speech Part) followed by a 5-minute mental calculation test (Mental Arithmetic Part).