Study associates personality traits with placebo response

11/15/2012 | MedicalXpress.com

Researchers using PET and standard psychological tests have discovered that personality traits such as resiliency, straightforwardness, altruism and anger/hostility may influence a person's response to a placebo. Those who were resilient were more likely to experience pain relief from a placebo, while those prone to anger/hostility were not affected by the placebo, according to the study published in Neuropsychopharmacology. The findings, derived utilizing PET to look at various areas of the brain, may help researchers adjust results in clinical trials in consideration of personality traits and individual responses to placebo.

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