Detailed text transcripts for TV channel - CNN - 20100515:11:48:00
Female-type brain circuits until eight weeks of fetal life when the testicles pump out tes test rhone. >> we all have female brains? >> called female-type brain circuits because until the testosterone tsunamis hit them, don't change to male circuit brains. >> sometimes in development, something happens to the brain to make us boys versus girls? >> so we know that doctor birth we have got a lot of biological wiring in there. we have hormones and going into puberty, the female brain gets awash in much more estrogen, like 15 fold more and boys get awash, teen boys in 20 fold more testosterone. th...
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