Mind Over Matter: Placebos and Expectancies. T/F: Placebos make patients feel better; they don’t actually get better T/F: There are no negative effects of placebos T/F: Placebos can reduce asthma and make wounds heal faster
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T/F: Placebos make patients feel better; they don’t actually get better
T/F: There are no negative effects of placebos
T/F: Placebos can reduce asthma and make wounds heal faster
T/F: Placebo therapy could be the end of biomedicine as we know it
T/F: Doctors can lie to patients if it is in the patient’s best interest.Quiz!
A nocebo response occurs when a drug-trial's subject's symptoms are worsened by the administration of a placebo.
If the patient believes a substance is harmful it can cause negative effects.
(randomly assigned to experimental/placebo arms; passive vs active placebos)
Red & orange indicate regions of heightened mu-opioid activity when P reports positive effect of placebo
Zubieta et al - Placebo Effects Mediated by Endogenous Opioid Activity on µ-Opioid Receptors (2005)
expectancies have more to do
with arousal/sedation than whether alcohol is good or bad