PSYC18H3 Lecture Notes - Lecture 4: Reflex, Vagal Tone, Cranial Nerves
Document Summary
William james" theory: autonomic specificity: emotions have various distinct physiological signature, the viscera is the starting place of emotion: sends signals to the brain via the afferent networks of the ans, event > bodily change > emotion. Does arousal equate to emotion: body is not enough for emotional response, study conducted by maranon: participants were injected with ep, results: Awareness of bodily arousal and autonomic symptomatology of emotion but experienced incomplete emotion. Psychological component to the experience, but absence of bodily arousal. Reports of sobbing, sighing, weeping; often reported negative. Walter b cannon"s critique memories: same bodily changes can accompany a variety of emotions, autonomic changes are incremental, too slow, autonomic changes for non-emotional experiences, often insensitive to ans changes. Cannon-bard theory of emotion: event > bodily change + emotion, physiological and emotional changes occur simultaneously and are independent of one another, the thalamus is the starting place for emotional experience not the viscera, evidence supporting this theory:
