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How to Study Placebo Responses in Motion Sickness with a Rotation Chair Paradigm in Healthy Participants

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Published on: December 14, 2014

Placebo interventions, placebo effects and clinical practice.

Klaus Linde¹, Margrit Fässler, Karin Meissner

¹Institute of General Practice, Technische Universität München, 81667 Munich, Germany. klaus.linde@lrz.tum.de

Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences

|May 18, 2011

Summary

This review examines placebo interventions and placebo effects in clinical settings. It argues for focusing on the therapeutic context rather than placebo interventions alone, highlighting ethical concerns with the latter.

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Area of Science:

Clinical Practice
Medical Ethics
Psychology

Background:

The role of placebo interventions and placebo effects in clinical practice is complex and debated.
Perspectives on placebo interventions differ among scientists, physicians, and patients.
Investigating placebo effects in randomized controlled trials often relies on the assumption that they stem from placebo interventions.

Purpose of the Study:

To review the role of placebo interventions and placebo effects in clinical practice.
To discuss the shift in focus from placebo interventions to the broader therapeutic context.
To explore ethical considerations surrounding placebo interventions.

Main Methods:

Literature review of perspectives on placebo interventions.
Analysis of randomized controlled trial methodologies for investigating placebo effects.
Discussion of research methods for studying context effects in therapy.

Main Results:

Placebo effects are often investigated under the premise that they are caused by placebo interventions, which is questioned.
A shift towards investigating the overall therapeutic context is necessary for understanding placebo or context effects.
Placebo interventions present significant ethical and professional challenges and should be avoided.

Conclusions:

Focusing on the therapeutic context is crucial for understanding placebo or context effects.
While context effects are beneficial with active treatments, placebo interventions themselves are ethically problematic.
Clinical practice should prioritize ethical considerations, avoiding direct placebo interventions.