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Rôle des mécanismes d'autorégulation dans la soumission à l'autorité

Abstract : In the Milgram's obedience experiments (Milgram, 1963, 1965, 1974), naive participants were ordered to administer increasingly severe electric shocks on a “learner” (a confederate) after being told that they were participating in an experiment on the effects of punishment on learning. Results revealed that 62.5% of the participants were willing to administer allegedly lethal electric shocks when ordered to do so (standard condition; Milgram, 1974). The Milgram's findings are still often cited when explaining destructive behaviors such as torture. The Milgram’s obedience studies have also been a target of ethical criticism and replication has been discouraged. In such a context, a very few experimental studies has been conducted since the Milgram’s experiments and the mechanisms responsible for destructive obedience remain unknown. Recent research reopens the door to direct empirical study of destructive obedience through the employment of immersive environments. A recent fMRI study showed that pain-related affective sharing in a virtual version of the Milgram paradigm elicited an aversive, self-oriented state of personal distress. This result suggests that low self-regulatory control of the shared affect evoked by the victim’s pain could be responsible for destructive obedience. Based on recent social neuroscience research, we hypothesized that stress vulnerability may facilitate destructive obedience through a mechanism of inhibitory control over empathic resonance responsible for decreased harm aversion. We conducted six studies aiming (i) to explore the influence of cardiac vagal tone (a biomarker of stress vulnerability) on right-wing authoritarianism (RWA, a classic predictor of destructive obedience) and on destructive obedience, (ii) to induce a self-regulatory fatigue in order to manipulate the participants’ abilities for inhibitory control during the obedience procedure, (iii) to explore the relation between theta oscillations (a biomarker of inhibitory control) and destructive obedience, (iv) to examine the relation between destructive obedience and hemodynamic response in the ventromedial prefrontal cortex (including the orbitofrontal cortex) and the dorsolateral prefrontal cortex, two brain areas highly involved in empathy and moral cognition. Obedience was measured using the “Immersive Video Milgram Obedience Experiment”. All in all, our results showed: (i) that lower vagal tone predicted higher RWA and destructive obedience, and that obedient participants exerted a cognitive effort associated to decreased physiological arousal (studies 2 and 3), (ii) that self-regulatory fatigue reduced destructive obedience and suppressed the influence of RWA, (iii) that increased theta power predicted destructive obedience (study 4), (iv) that increased oxygenated-hemoglobin in the right ventromedial prefrontal cortex predicts disobedience. On the whole, these results support the hypothesis that individuals with high in stress vulnerability exert an inhibitory control over their empathic resonance in an attempt to reduce their own distress, and that such a mechanism is responsible for decreased harm aversion and then destructive obedience.
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Submitted on : Wednesday, April 18, 2018 - 10:20:06 AM
Last modification on : Tuesday, October 6, 2020 - 12:42:02 PM


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  • HAL Id : tel-01769505, version 1



Johan Lepage. Rôle des mécanismes d'autorégulation dans la soumission à l'autorité. Psychologie. Université Grenoble Alpes, 2017. Français. ⟨NNT : 2017GREAH027⟩. ⟨tel-01769505⟩



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