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Frontiers in Psychiatry / A Direct Comparison of Placebo and Nocebo Effects on Visuospatial Attention: An Eye-Tracking Experiment
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- معلومة اضافية
- بيانات النشر:
Frontiers
- الموضوع:
2019
- Collection:
Graz University (UGR): Unipub
- الموضوع:
- نبذة مختصرة :
Background: Placebo and nocebo effects on visual attention are still poorly understood. This eye-tracking study directly compared effects of sham transcranial magnetic stimulation (sTMS) that was administered along with the verbal suggestion that the treatment would either increase (placebo) or decrease (nocebo) left-sided visual attention. Method: Twenty women who had reported decreased attention (nocebo responders) and 20 women who had reported increased attention (placebo responders) following sTMS completed a visual search task with three visual load levels. The task was conducted once with and once without the placebo or the nocebo (sTMS). Left-sided fixations and reaction times for left-sided targets (in comparison with right-sided targets) were analyzed. Results: Contrary to the verbal suggestion, the nocebo responders showed more left-sided fixations in the nocebo condition (compared with the control condition) and responded faster to left-sided targets in the high-load condition. The placebo had no effect on fixations and reaction times. Conclusion: These results indicate a more beneficial effect of a nocebo compared with a placebo for the first time. Limits and possibilities of placebo and nocebo interventions are discussed. ; Version of record
- File Description:
text/html
- ISSN:
1664-0640
- Relation:
vignette : https://unipub.uni-graz.at/titlepage/urn/urn:nbn:at:at-ubg:3-16916/128; urn:nbn:at:at-ubg:3-16916; https://resolver.obvsg.at/urn:nbn:at:at-ubg:3-16916; local:99147151540203331; system:AC16744805
- الرقم المعرف:
10.3389/fpsyt.2019.00446
- Rights:
cc-by_4
- الرقم المعرف:
edsbas.241D0626
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