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A virtual experimenter does not increase placebo hypoalgesia when delivering an interactive expectancy manipulation
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 received...
| Autores principales: | , , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Nature Publishing Group UK
2020
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7684301/ https://www.ncbi.nlm.nih.gov/pubmed/33230290 http://dx.doi.org/10.1038/s41598-020-77453-9 |