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Question 2 - Selon les conceptions actuelles en neurosciences, l'addiction à une substance psychoactive :7 A - résulte, au moins en partie, d'un état de tension lié à un désir-besoin très fort de consommer la substance.)it - s'accompagne de changements dans les processus motivationnels : ils deviennent centréssur la nourriture.~ - résulte d'une augmentation progressive de la sensation de plaisir à chaque nouvelleconsommation.~ - ne s'accompagne jamais de rechutes si la personne arrête de consommer

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