That little ball packed with biological material is the medium through which all of our billions of cells coordinate with each other to keep our conscious stable and our bodies responsive.
That, plus the fact that in some regions of the female brain, nerve cells are packed more densely than in men, means that the number of nerve cells in male and female brains may be similar.
再加上在有些区域女性大脑的神经细胞密度要大于男性，我们可以认为两性的脑神经细胞数量是相当的。
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His conclusion is that the main difference is in the structure of the small columns of nerve cells that are packed together to form the cerebral cortex.