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Gepubliceerd in: Journal of Behavioral Medicine 2/2006

01-04-2006

Expectations and Placebo Response: A Laboratory Investigation into the Role of Somatic Focus

Auteurs: Andrew L. Geers, Suzanne G. Helfer, Paul E. Weiland, Kristin Kosbab

Gepubliceerd in: Journal of Behavioral Medicine | Uitgave 2/2006

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Abstract

It has been theorized that expectations are an important causal determinant of the placebo effect. Placebo expectations, however, do not always yield placebo effects. In a laboratory study, we tested the hypothesis that one's level of somatic focus moderates the effect of placebo expectations on placebo responding. We also varied whether participants were told the placebo was a drug, could either be a drug or placebo, or was a placebo. The results revealed that individuals who thought they were taking a drug (i.e., unconditional expectations) reported more placebo symptoms when they closely focused on their symptoms. Individuals told they may or may not be receiving a drug (i.e., conditional expectations) did not differ from control participants regardless of how closely they attended to their symptoms. The findings have theoretical implications for expectancy models of the placebo effect as well as for practical research comparing the type of expectations held by individuals in clinical trials and clinical practice.
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Metagegevens
Titel
Expectations and Placebo Response: A Laboratory Investigation into the Role of Somatic Focus
Auteurs
Andrew L. Geers
Suzanne G. Helfer
Paul E. Weiland
Kristin Kosbab
Publicatiedatum
01-04-2006
Uitgeverij
Springer US
Gepubliceerd in
Journal of Behavioral Medicine / Uitgave 2/2006
Print ISSN: 0160-7715
Elektronisch ISSN: 1573-3521
DOI
https://doi.org/10.1007/s10865-005-9040-5

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