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Describe the following biopsychology theories of emotion. Darwin Include the brain mechanisms involved with each.
Darwin theorized that emotions in humans and other species are the product of evolution. His theory was comprised of three primary ideas. First, emotional expression evolved from behavior predictability (what the behavior will do next). [ Second, if the behavior signals are beneficial, then they will evolve to increase the function of communication, sometimes forgetting the original function of
the behavior; survival often dictates changes in behavior patterns. Third, opposing messages are frequently communicated through opposite behaviors. The James-Lange theory of emotion differed from the typical perception of emotion expression and the feeling of emotion. James and Lange believed that the experience of emotion was caused by sensory stimulation, processed by the cortex, initiated in the autonomic nervous system to stimulate visceral organs and in the somatic nervous system to stimulate skeletal muscle response. Simply put, James and Lange believed that the autonomic nervous system's response of increased heartbeat and flight or flight response were the source of emotional feelings, instead of emotional feelings triggering those responses. The James-Lange theory of emotion does not hold up under scrutiny, because human patients who have lost autonomic and somatic feedback due to a broken neck or other serious injury still experience emotions at the capacity prior to injury and loss of the nervous systems' feedback. For more details please see the link : ]
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