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Doctoral Thesis
unige:91624 
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Expectancy effects of pain and disgust in perceptual and moral decisions |
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| Defense | Thèse de doctorat : Univ. Genève et Lausanne, 2016 - Neur. 188 - 2016/11/30 | |
| Abstract | Although expectancy effects have been described before (e.g. placebo effect), no one ever questioned their specificity. After all, it might be that when people anticipate pain, they form a representation of the approaching event, which could be shared with other aversive experiences, such as the case of disgust. In the present thesis, I examined the nature and specificity of expectancy of pain and disgust in the context of perceptual decisions (Experiments 1 & 2) and higher cognitive (moral) decisions (Experiments 3 & 4). I conducted four experiments to analyze behavioral, physiological and neural measures (using fMRI) from healthy human volunteers, which were all engaged in a new experimental set-up, specifically developed for testing the following experimental questions: (1) to which degree pain and disgust expectations recruit similar/dissociated representations of the upcoming event? (2) to which extent pain and disgust expectations affect high-level decisions, such as those involving morally-questionable behavior? | |
| Keywords | Pain — Disgust — Expectations — Pain expectancy — Anticipation — Anticipation of pain — Anticipation of disgust — Prediction — Sensory expectations — Affective expectations — Affective processing — Placebo — Cues — Predictive-cues — fMRI — Neuroimaging — Thermal stimulation — Olfaction — Nociception — Odors — Olfactory processing — Noxiousness — Noxious stimulus — Brain — Brain activity — Salience — Neural activity — Aversiveness — Insula — Cingulate cortex | |
| Identifiers | URN: urn:nbn:ch:unige-916245 PMID: PMC4668356 | |
| Note | Thèse en Neurosciences des universités de Genève et de Lausanne | |
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| Research group | Affective sciences | |
| Project | FNS: SNFgrant n.32003B_138413 | |
| Citation (ISO format) | SHARVIT, Gil Shlomo. Expectancy effects of pain and disgust in perceptual and moral decisions. Université de Genève. Thèse, 2016. https://archive-ouverte.unige.ch/unige:91624 |
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