A virtual experimenter does not increase placebo hypoalgesia when delivering an interactive expectancy manipulation

Abstract Lack of standardization and unblinding threaten the research of mechanisms involved in expectancy effects on pain. We evaluated a computer-controlled virtual experimenter (VEx) to avoid these issues. Fifty-four subjects underwent a baseline-retest heat pain protocol. Between sessions, they...

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Autores principales: Bjoern Horing, Sarah C. Beadle, Zachariah Inks, Andrew Robb, Eric R. Muth, Sabarish V. Babu
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2020
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Acceso en línea:https://doaj.org/article/4d3a4b360f3e4ed8855d44a3aacf7938
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