Prenatal exposure to sex hormone linked with geniusMarch 13th, 2011 - 2:40 pm ICT by IANS
Toronto, March 13 (IANS) High IQ in some people may be linked to exposure of sex hormone in the womb, says a new study.
University of Alberta researcher Marty Mrazik, professor in educational psychology, and a colleague from Rider University in the US, linked giftedness — an IQ of 130 or higher — to prenatal exposure of higher levels of testosterone.
“There seems to be some evidence that excessive prenatal exposure to testosterone facilitates increased connections in the brain, especially in the right prefrontal cortex,” said Mrazik.
“That’s why we see some intellectually gifted people with distinct personality characteristics that you don’t see in the normal population,” the journal Roeper Review reports.
Mrazik’s notion came from observations made during clinical assessments of gifted individuals. He and his colleague observed some specific traits among the subjects, according to an Alberta statement.
“It gave us some interesting ideas that there could be more to this notion of genius being predetermined from a biological perspective, than maybe people gave it credit for,” said Mrazik.
“It seemed that the bulk of evidence from new technologies (such as Functional MRI scans) tell us that there’s a little bit more going on than a genetic versus environmental interaction,” Mrazik added.
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Tags: biological perspective, clinical assessments, colleague, distinct personality, educational psychology, genius, gifted individuals, high iq, mri scans, personality characteristics, prefrontal cortex, prenatal exposure, researcher, rider university, roeper review, sex hormone, testosterone, toronto march, university of alberta, womb