The brain: The story of you
Auteur
- David Eagleman (Écrivain)
Acheter d'occasion
Classement en biblio - 2 lecteurs
extrait
What’s the secret behind the flexibility of young brains? It’s not about growing new cells – in fact, the number of brain cells is the same in children and adults. Instead, the secret lies in how those cells are connected.
At birth, a baby’s neurons are disparate and unconnected, and in the first two years of life they begin connecting up extremely rapidly as they take in sensory information. As many as two million new connections, or synapses, are formed every second in an infant’s brain. By age two, a child has over one hundred trillion synapses, double the number an adult has.
It has now reached a peak and has far more connections than it will need. At this point, the blooming of new connections is supplanted by a strategy of neural “pruning”. As you mature, 50% of your synapses will be pared back.
Which synapses stay and which go?
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L'essentiel n'est pas ce que l'on sait mais la façon de le dire: ce livre a un objectif et ses démonstrations sont séduisantes. J'aime beaucoup le fait d'utiliser des exemples extrêmes mais concrets qui donnent une valeur toute différente aux propos généraux illustrés. Une lecture simple qui bien qu'elle soit sérieuse permet de se détendre en même temps: un bon point, (un peu comme Baillargeon l'a fait). J'aimerai mettre cet ouvrage en comparaison avec les travaux de Canguilhem.
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Date de sortie
The brain: The story of you
- France : 2015-10-06 (Français)
Activité récente
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Résumé
Locked in the silence and darkness of your skull, your brain fashions the rich narratives of your reality and your identity. Join renowned neuroscientist David Eagleman for a journey into the questions at the mysterious heart of our existence. What is reality? Who are “you”? How do you make decisions? Why does your brain need other people? How is technology poised to change what it means to be human? In the course of his investigations, Eagleman guides us through the world of extreme sports, criminal justice, facial expressions, genocide, brain surgery, gut feelings, robotics, and the search for immortality.
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