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男孩女孩的大脑天生就是不同的。科学家认为,两者最显著的不同是由激素分泌造成的。最初,人类子宫中的胎儿有着相同的原始生殖腺。发育到第6周,男性Y染色体上的一个基因会让男胎儿的原始生殖腺发育为睾丸,女胎儿的则变成卵巢。从第8周开始,睾丸开始分泌大量睾酮(雄性激素的一种),其含量在第16周前后达到最大值。到了第26周,男女胎儿的睾酮再次回到同一水平。一般认为,睾酮水平激增会导致与通信有关的中枢结构的部分细胞死亡,同时,性
The brains of boys and girls are born differently. Scientists believe that the most significant difference between the two is caused by hormone secretion. Initially, the fetuses in the human uterus had the same primitive gonads. By the 6th week of development, a gene on the male Y chromosome will develop the primordial gonads of the male fetus into the testes and the female fetuses into the ovaries. Testicles began to secrete large amounts of testosterone (a form of androgen) beginning at week 8, reaching its maximum around week 16. By the 26th week, the male and female fetuses returned to the same level of testosterone again. It is generally believed that a surge in testosterone levels leads to a partial cell death of the communication-related central structure,