Reduction of Motion Sickness With an Enhanced Placebo Instruction: An Experimental Study With Healthy Participants

作者: Björn Horing , Katja Weimer , Damaris Schrade , Eric R. Muth , Jenna L. Scisco

DOI: 10.1097/PSY.0B013E3182915EE7

关键词: MedicinePlaceboMean agePhysical therapyMotion sicknessNoceboPhysical medicine and rehabilitationPlacebo responseNausea

摘要: Objective Expectancy and conditioning are underlying mechanisms of placebo and nocebo responses. In previous studies with motion sickness, we could induce nocebo responses by both methods, but no placebo responses. Methods In Experiment 1, 64 volunteers (50% women, mean age= 23.5 years) were evaluated to determine the degree they realized speed changes in nauseogenic rotation. For Experiment 2, 32 volunteers (50% women, mean age= 26.0 years) were exposed to fast rotation (15 rounds per minute, or rpm) on Day …

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