Sighs can become learned behaviors via operant learning

Sighs have important physiological and psychological regulatory functions. These rewarding effects of a sigh potentially reinforce sighing in situations that require physiological and/or psychological regulation. The present study aimed to investigate whether sighs can become learned behaviors via operant learning. In two studies, we manipulated the effect of spontaneous sighs in response to dyspnea relief, by either punishing a sigh by the...