Pain2-6-09 - Pain Pain “the most pervasive symptom in...

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Unformatted text preview: Pain Pain “the most pervasive symptom in medical practice, the most frequently stated ‘cause’ of disability, and the single most compelling force underlying an individual’s choice to seek or avoid medical care.” Nature and Symptoms of Pain What is pain? The Qualities and Dimensions of Pain • Source – Organic Pain – Psychogenic Pain • Time – Acute Pain – Chronic Pain • Benign • Recurrent • Progressive Pain How does pain impact a person’s life? What is the ‘pain-prone personality’? Perceiving Pain • body releases algogenic substances (histamine, serotonin, brandykinin) • afferent neurons (nociceptors) – A-delta fibers – C fibers Neurochemical Basis of Pain • Endogenous Opioid Peptides – Beta endorphins – Proenkaphalin – Prodynorphins Pain without an Apparent Physical Basis • Neuralgia • Causalgia • Phantom Limb Pain Theories of Pain A. Specificity Theory B. Pattern Theory C. Gate-Control Theory—Melzack and Wall, • substantia gelatinosa of the dorsal horns – Analgesia • Endogenous opioids • Naloxone What are some of the ways we can tell that a person is in pain?tell that a person is in pain?...
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This note was uploaded on 04/04/2009 for the course PSYCH 531 taught by Professor Kelly during the Spring '09 term at Ohio State.

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Pain2-6-09 - Pain Pain “the most pervasive symptom in...

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