Sensation-3 - behaviors g Likelihood of cure acute will get...

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Sensation Principles of Sensory Experiences: A. Selectivity= our senses select that which is most important at any time; our senses can each only do one thing (cant hear an apple, you can taste it or see it) B. Change= we recognize new events that are occurring, recognize beginning or ending of things(turn off light, sounds) C. Comparison= we notice when something is sweeter or sour, lighter or brighter, softer or louder PAIN (body waring system, #1 reason people see doctor or take medication, more of a psychological phenomenon) A. Acute (short term pains) vs. Chronic Pain (last longer than 6 months and nothing seems to be effective) a. Biological utility- signal to body that something is wrong in ACUTE; b. Symptomatic (acute) vs. disease (chronic)- c. Inducing anxiety (acute) vs. depression (chronic)- d. Narcotics indicated (acute) vs. contraindicated (chronic)- e. Addiction potential f. Etiology- refers to cause of the pain; chronic pain is less clear and there is a complex interaction of variety of
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Unformatted text preview: behaviors g. Likelihood of cure- acute will get better; chronic usually the person will not be cured so we try to manage the pain Theories of Pain 1. Specificity Theory = x amount of tissue damage is x amount of pain 2. Gate Control Theory (Melzack & Wall, 1965) = at point of pain the message starts to get sent out (spinal cord -> brain); in spinal cord there is a gate that allows signals to go in or out; if gate is open pain signals will travel through, if closed they will not travel through a. Factors which open and close gate 1. Physical- the more tissue damage the more likely someone will feel pain; counter stimulation (when grab and rub something that hurts) 2. Emotional- different emotional states, particularly anxiety will open gate more, but relaxation will decrease it 3. Cognitive- think about pain door is open more( if you focus on your pain it hurts, if distracted you can tolerate it more)...
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