Placebo Effect Types, Tricks, and Truth
Автор: STUDY FREAK
Загружено: 2026-01-17
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Описание:
The placebo effect is a phenomenon where individuals experience real improvements in symptoms after receiving a treatment with no active therapeutic ingredients, such as a sugar pill or saline injection.
This effect is primarily driven by psychological factors like the patient's belief in the treatment's efficacy, their expectations of improvement, and conditioning from prior experiences.
Research indicates that the placebo effect can trigger measurable physiological changes, including the release of endorphins and activation of brain regions involved in pain relief, particularly in conditions like pain, stress-related insomnia, and cancer treatment side effects.
While the placebo effect is most pronounced in subjective symptoms, it can also influence objective outcomes such as blood pressure and immune responses, though it does not alter the underlying disease process.
The effect is often studied in clinical trials using placebo-controlled, double-blind designs to distinguish the true impact of a treatment from psychological influences.
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