emotion psychology

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Emotions are characterised by:

Psychological changes (autonomic/hormonal), behavioural responses, changes in cognition and subjective feelings.

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Example of fear responses include:

pupil size, skin conductance, hormone secretion, immobility.

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Adaptive benefits of emotional responses:

find water/food, avoid danger, signal intent to others.

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Maladaptive emotional responses:

phobias, PSTD, drug addiction/non homeostatic obesity.

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Emotions are the result of complex two-way interactions between:

physiological state (autonomic, muscular, hormonal) and cognitive processes (appraisal of event and context; memory; expectation).

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