So differences in structural connections and arrangement may reflect wiring adaptations of larger brains.Ī group of researchers found regional size differences of male and female brains, which may balance out the overall size difference. A larger brain means more distance, which can slow the transmission of information down.
But some scientists say that a large brain is not simply a smaller brain scaled up. Male brains are, on average, 10% larger than females (accounting for body size). This supports the idea that women (low testosterone) are better at empathising and detecting emotion than men. He found lower levels of testosterone were correlated with greater empathy during childhood development. In later life they measured the children’s empathising or systemising abilities. These traits were linked with testosterone levels during development.īaron-Cohen analyzed foetal testosterone levels from amniotic fluid samples of their mothers. Exposure to different cocktails of hormones as a foetus may change how the brain develops.Ī group of Cambridge scientists led by Simon Baron-Cohen suggested that men are, on average, better at analytical tasks, whereas women are better at empathising and emotional processing. This is why we all have nipples! But the presence of different hormones such as oestrogen and testosterone during gestation causes physical differences to start to arise – for example guiding the formation of ovaries or testes.
During foetal development, male and female embryos start off the same.
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