Wall and Melzack’s theory asserted that the pain system is spread throughout the brain and spinal cord, and far from being a passive recipient of pain, the brain always controls the pain signals we feel. Their “gate control theory of pain” proposed a series of controls, or “gates,” between the site of injury and the brain. When pain messages are sent from damaged tissue through the nervous system, they pass through several “gates,” starting in the spinal cord, before they get to the brain. But these messages travel only if the brain gives them “permission,” after determining they are important
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High vs low pain tolerance?
