Psychology 2036A/B Lecture Notes - Lecture 9: Substantia Gelatinosa Of Rolando, Trigeminal Neuralgia, Posterior Grey Column

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It"s a serious and prevalent health problem: costs add up to billion/yr in canada, pain is most common medical complaint. Symptoms thats most likely to send people to seek treatment. Comes in many diff forms (from ickering to torturing" see p 302) Can be short term acute, or continuous and long term. It is a puzzling phenomena, some people actually like pain. Pain w no apparent physical cause: neuralgia (pain along the length of a nerve) ex. trigeminal neuralgia (pain in the face) Pain can be provoked b innocuous stimuli (cottonball across the face along nerve causes pain: causalgia (severe burning pain) Pain occurs long after original wound is healed. Can be provoked by innocuous stimuli (puff of air: phantom limb pain (pain in amputated limb) C. pain is in uenced by psychological factors: 1. Severely wounded soldiers - only 25% requested morphine, didn"t experience a lot of pain.

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