Article released today by some neuro surgeons (sciencealert.com) who have used MRI on 1400 people
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The fact that there was so much overlap between characteristics of 'male' and 'female' brains suggests that most people don't fit into one of these two categories.
Instead, the researchers wrote, each brain "is a unique mosaic of features, some of which may be more common in females compared with males, others may be more common in males compared with females, and still others may be common in both females and males".
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Like any study, of course, this one has its weaknesses as well. For one, it looked at patterns of brain connectivity, but did not connect those patterns to behaviour, McCarthy pointed out. In other words, we won't know whether people whose brains fit mostly in the masculine or feminine zones also act typically masculine or feminine
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