@
vilCarmin :
Je poses la question sérieusement, tu as lu ces articles ? Ou parcouru en diagonale ? Parce que :
However, when the size of the brain is compared to body weight at this age, there is almost no difference between boys and girls. So, a girl baby and a boy baby who weigh the same will have similar brain sizes.
Many studies have tried to find differences in the right and left cerebral hemispheres to suggest that male and female brains are different. However, few of these experiments have found meaningful differences between men and women. If fact, there are many similarities between the cerebral hemispheres of men and women.
Using magnetic resonance imaging methods, some researchers have found no differences in the size of the corpus callosum of men and women or that the corpus callosum is larger in men than in women (Allen et al., 2003).
A propos de l'hypothalamus :
At 4 years of age, there is a decrease in the number of cells in this nucleus in girls. The exact function of this nucleus in behavior is not fully known.
Suprachiasmatic Nucleus of the Hypothalamus: This area of the hypothalamus is involved with circadian rhythms and reproduction cycles. The only difference between women and men in this area is one of shape: in males, this nucleus is shaped like a sphere; in females it is more elongated. However, the number of cells and volume of this nucleus are not different in men and women.
Et la conclusion :
The behavioral and neurological differences between men and women require further study. Perhaps new studies will find neuroanatomical differences that explain some of the complex differences between male and female behavior. However, from a review of the current scientific evidence, it appears that differences in many cognitive behaviors (for example, memory) are related more to individual differences between people than to whether people are female or male.
