People with these [pychoses] may hear their inner thoughts as external voices, or believe thoughts have been inserted in their head, suggesting the normal divisions do not exist.
The reason for this, he says, is that their brains do not have the bias, or asymmetry, seen in healthy people.
Brain asymmetry means that areas control certain things, so the left-hand side controls language.
He said: "Asymmetry appears to be less pronounced in people with psychoses."...
Professor Crow suggests there is an "asymmetry gene" on the sex chromosomes, that gives human brains the capacity for language.
He suggests that variation in an "asymmetry gene" in one of these areas could be the factor which determines if someone is going to develop schizophrenia.
It's this brain asymmetry that allowed human beings to develop language, supposedly, and some weakness in the asymmetry that is at the root of schizophrenia. So says Crow anyway.
Why does he locate this "asymmetry gene" on the sex chromosomes? Hmmm.... look out, Professor Crow! Don't forget to say that whatever tendency you find in women is better! Don't be saying we're closer to crazy.
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