Cardiovascular changes during induced emotion: an application of lang's theory of emotional imagery.

Studies of emotion have provided occasional support for physiological differentiation of affective states; however, the evidence has been inconsistent. The aims of the present study were to investigate cardiovascular changes associated with relived experiences of happiness, sadness, anger, fear, and disgust and to examine the utility of methods designed to optimize the induction of emotional responses. Thirty-four undergraduates who scored 0.5 sd above the mean on Larsen and Diener's Affect Intensity Measure described their most intense experiences of five emotions. These descriptions were then used to induce those emotions while blood pressure and other hemodynamic measures were monitored. Systolic blood pressure, diastolic blood pressure, and stroke volume differentiated among emotions. The results support the suggestion that cardiovascular activity differentiates emotional states and provide some insight into the physiological adjustments subserving such effects. The study demonstrates a method that may be applied to studies of discrete emotions.

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