منابع مشابه
PLACEBO ANALGESIA 1 Placebo Analgesia
SUMMARY The expectation of pain relief can exert a powerful analgesic effect, even when pain is severe. Depending on the nature of experiences and instructions provided, a placebo analgesic effect can be elicited acutely in a very large percentage of individuals, in both experimental and clinical contexts. Placebo analgesia has been linked with activity in the prefrontal cortex, endogenous opio...
متن کاملPlacebo Effect ▶ Placebo Placebo Response ▶ Placebo Placement - Pending Requirement ▶ Stay - Put Requirement Placenta
A simulated intervention (often a drug but potentially other interventions) used as a control/comparison in research studies. As suggested in the title of a book on the subject (Shapiro & Shapiro, 2000), the effects of such treatment can be powerful (what is termed to placebo response or effect). In drug studies, for example, the use of a placebo (inert agent that is packaged so as to be indist...
متن کاملPlacebo interventions, placebo effects and clinical practice.
This article reviews the role of placebo interventions and placebo effects in clinical practice. We first describe the relevance of different perspectives among scientists, physicians and patients on what is considered a placebo intervention in clinical practice. We then summarize how placebo effects have been investigated in randomized controlled trials under the questionable premise that such...
متن کاملPlacebo Effects
A placebo is a treatment that is expected to have no inherent pharmacological or physical benefit — for instance, a starch capsule given for anxiety or pain, or sham surgery in which the critical surgical procedure is not performed. Placebos are often used for comparison in clinical studies, as a baseline against which to evaluate the efficacy of investigational clinical treatments. However, pl...
متن کاملRandomized Placebo-Controlled Placebo Trial to Determine the Placebo Effect Size.
BACKGROUND It is the gold standard to use a placebo treatment as the control group in prospective randomized controlled trials (RCTs). Although placebo-controlled trials can reveal an effect of an active treatment, the pure effect of a placebo treatment alone has never been presented or evaluated. No evidence-based, placebo-therapeutic options are currently available, and no placebo-controlled ...
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ژورنال
عنوان ژورنال: Forum Médical Suisse ‒ Swiss Medical Forum
سال: 2007
ISSN: 1661-6146,1661-6138
DOI: 10.4414/fms.2007.06122