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Unformatted text preview: the small are on, opening the gate. Since the gate is controlled by the brain, he factors discussed earlier (expectations, mood, personality) influence the functioning of the gate. Contradiction to Gate Control Theory: 1) endorphins - the body's own pain killers (morphine-like). May explain acupuncture, acupressure, pain tolerance during last two weeks of pregnancy, etc. BUT- endorphins may work with the gate control theory - maybe pain is perceived, endorphins are released, so the brain no longer needs the signals and closes the gate....
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- Fall '09