PSYB45H3 Chapter : Emotions ch 5.docx

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Emotional experience in turn generates emotion related bodily changes. I it was said that emotions generate in the brain but james altered this locating the origins of emotional experience in the body. Bodily changes follow directly the perception of the exciting fact and that our feeling of the same changes as they occur is the emotion. The ans most general function is to maintain the internal condition of the body. Para: originates in the vagus nerve and sacral regision. It facilitates blood flow by dilating certain arteries, it is essential to the sexual response. Sympa: the opposite way from the para system, it increases heart rate and produces vasoconstriction. Sympa helps prepare the body for fight or flight. Support for james s claims regarding the autonomic specificity and emotion: there are over a dozen distinct autonomic pathways that activate different regions of the body.

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