Psychosomatic medicine
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Psychosomatic medicine · Jun 2013
Randomized Controlled TrialReduction of motion sickness with an enhanced placebo instruction: an experimental study with healthy participants.
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. ⋯ Verbal suggestions combined with a conditioning procedure are effective in reducing symptoms of motion sickness.