01 n. a reaction by a patient who receives a placebo{2}, in which the symptoms of illness are lessened or an anticipated effect is experienced. …
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1.
a reaction by a patient who receives a placebo{2}, in which the symptoms of illness are lessened or an anticipated effect is experienced. Because the placebo{2} itself has no pharmacological activity, this reaction is mediated by the expectations of the patient receiving the placebo{2}; the reaction is considered as an example of the power of suggestion.(Med.)