PSY333H5 Lecture Notes - Middle Finger, Headache, Nocebo

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17 Apr 2013
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About 30% of people will experience relief from placebo. Endogenous pathways: systems built in the body that modulates pain. Placebo allows these systems to become active to handle pain. A lot of the relief that patients experienced was due to placebo (endogenous, biological, and physiological). Acupuncture needles: some individuals are scammed ( sham treatment ) because the needles don"t actually go into the skin. Past experience with a drug (you take a tylenol every time you get a headache conditioning). Side effects, self-reinforcing effect (on the lookout for evidence, confirming evidence when taking the drug). Actual drug vs. starch drug (ex. acupuncture vs. sham) Regression toward mean: if you are feeling bad one day, statistically you"ll be feeling better the second day. People on waitlist will get better due to passage of time. Drug must beat placebo in 2 trials to be approved by fda.

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