Sublime

women have more wiring between the left and right hemispheres of the brain, in an area called the corpus callosum (something that helps with quickly connecting ideas and empathy).

(In women, the association is more striking: older women who have significant belly fat have a 39 percent increased risk of developing dementia within fifteen years as compared to women with a normal waist size based on their height and build.34)

prolactin has been shown to rebuild myelin, the protective sheath that insulates neurons and makes your brain work faster.

tissue. But GH, which is secreted by the brain’s pituitary gland, is also a powerful cognitive modulator, shown to improve many aspects of brain function, including processing speed and mood.

Las últimas partes que se «conectan» son los lóbulos frontales (figura 4). De hecho, el cerebro adolescente está solo en el 80 % del proceso de maduración. Esa franja del 20 %, donde el cableado es más débil, es fundamental, y explica en gran parte la conducta desconcertante de los adolescentes: sus cambios de humor, su irritabilidad, su impulsivid

honestly supposed to be a physiological necessity was a psychological necessity—or so believed.

“It’s almost as though, without sleep, the brain had reverted back to more primitive patterns of activity, in that it was unable to put emotional experiences into context and produce controlled, appropriate responses.”

En utilisant la taille moyenne du cerveau humain et en extrapolant à partir des résultats des primates, il a suggéré que les humains pouvaient maintenir confortablement 150 relations stables. Dunbar