Thèse soutenue

Le traitement des valeurs dans le cerveau humain : examination à l'aide de l'imagerie cérébrale fonctionnelle
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Auteur / Autrice : Maël Lebreton
Direction : Mathias Pessiglione
Type : Thèse de doctorat
Discipline(s) : Neurosciences Cognitives
Date : Soutenance en 2013
Etablissement(s) : Paris 6

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Résumé

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Several disciplinary fields make use of the concept of value to explain human and animal behaviours. This thesis uses functional imagery technics to investigate value representation in the human brain. Our studies demonstrate that the activity in the limbic fronto-striatal circuits corresponds to a value representation, and that this brain system interact with other brain systems –mirror neurons, episodic memory, attentional and motor circuits-, to account for specific behaviours –mimetic desire, patience in inter-temporal choices, and incentive motivated motor and cognitive effort production. We also show that biological constraints due to the value implementation within brain signals can have important consequences on our behaviour. Deciphering value biological processing constitutes a fundamental step toward better understanding our motives.