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人类大脑为什么变小了?
导读:一般认为,脑容量越大,意味着有更多的神经元细胞、神经髓鞘细胞和细胞间突触联系,大脑可以执行更多次的运算和信息整合,也就是可能会更聪明。可是,你知道吗,我们人脑容量的巅峰可不是现在,而是一万年前到三万年前。这是怎么回事?人脑的演化趋势未来会是怎样的呢?我们现代人的脑容量在现存的灵长类中是最大的, ...
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