Tetsuo Koyama Quotes
We found that expectations have a surprisingly big effect on pain. Positive expectations produced about a 28 percent decrease in pain ratings -- equal to a shot of morphine. 
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Expectations | Surprisingly | Effect | Pain | Positive |
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We found that expectations have a surprisingly big effect on pain. Positive expectations produced about a 28 percent decrease in pain ratings -- equal to a shot of morphine.
- Tetsuo Koyama
