James-Lange theory of emotion

Carl Georg Lange (1834 - 1900) was a Danish physician and psychologist. He and William James independently developed the James-Lange theory of emotion, which posits that all emotions are developed from, and can be reduced to, physiological reactions to stimuli. Unlike James, Lange specifically stated that vasomotor changes are emotions. Lange also noted the psychotropic effects of lithium, although his work in this area was for

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Arousal is a physiological and psychological state involving the activation of the reticular activating system in the brain stem, the autonomic nervous system and the endocrine system, leading to increased heart rate and blood pressure and a condition of alertness and readiness to respond. It is a crucial process in motivating certain behaviours, such as the fight or flight response and sexual activity (see Masters and Johnson's human sexual response cycle, w ...

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