Placebo effect
Placebo effect Pla*ce"bo ef*fect`, n. (Med.) 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.

Note: Dramatic subjective effects such as relief of discomfort or pain are sometimes observed due to administration of a placebo, but in some cases measurable physiological effects may also be observed. [PJC]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • placebo effect — placebo effects N COUNT: usu the N in sing The placebo effect is the fact that some patients health improves after taking what they believe is an effective drug but which is in fact only a placebo. The placebo effect can be understood only if we… …   English dictionary

  • placebo effect — n. an improvement in a person s medical condition regarded as the effect of the person s belief in the effectiveness of the treatment used …   English World dictionary

  • Placebo Effect — Allgemeine Informationen Genre(s) Dark Electro Gründung März 1989 Auflösung April 1999 Website …   Deutsch Wikipedia

  • placebo effect — n improvement in the condition of a patient that occurs in response to treatment but cannot be considered due to the specific treatment used * * * the sum total of all nonspecific effects, both good and adverse, of medical treatment, primarily… …   Medical dictionary

  • placebo effect — UK / US noun [countable] Word forms placebo effect : singular placebo effect plural placebo effects medical improvement in an ill person s condition when they have been given a placebo instead of real medicine …   English dictionary

  • placebo effect — noun any effect that seems to be a consequence of administering a placebo; the change is usually beneficial and is assumed result from the person s faith in the treatment or preconceptions about what the experimental drug was supposed to do;… …   Useful english dictionary

  • placebo effect — noun a beneficial effect produced by a placebo drug or treatment, due to the patient s belief in that treatment …   English new terms dictionary

  • placebo effect — pla•ce′bo effect [[t]pləˈsi boʊ[/t]] n. med a reaction to a placebo manifested by a lessening of symptoms or the production of anticipated side effects …   From formal English to slang

  • placebo effect — /pləˈsiboʊ əfɛkt/ (say pluh seeboh uhfekt) noun a beneficial effect asserted by a patient after taking a placebo …   Australian English dictionary

  • placebo effect — /pleuh see boh/ a reaction to a placebo manifested by a lessening of symptoms or the production of anticipated side effects. [1945 50] * * * …   Universalium

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