Dans cet ouvrage, l'auteur explore la nature de la sensibilité humaine, en se concentrant sur les notions de plaisir et de peine. Il propose une approche scientifique et rigoureuse de ces concepts, en combinant des éléments de biologie, de psychologie et de philosophie. Ce livre intéressera les chercheurs en sciences sociales et tous les lecteurs curieux de mieux comprendre les mécanismes de la pensée et de l'émotion.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.