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Testosteronewasshowntoorganizebrainandmodulatecognitivefunctions.Itiscurrentlyunknownли связанные с mentalrotationisalsoassociatedwithprenataltestosteroneexposureandtestosteroneгенетические полиморфизмы. Theaimofourstudywastoanalyzeassociationsbetweenmentalrotationпроизводительность, theactualtestosteronelevels,theprenataltestosteronelevel(expressedas2D:4Dratio)и theandrogenreceptorCAGrepeatpolymorphisminintellectuallygiftedboys.Onehundredforty-семь boysaged10–18yearswithIQ4130wereenrolled.SalivasampleswerecollectedandusedforЭлиза ofactuallevelsofsalivarytestosterone. The2D:4 D палец lengthratioasanindicatorofprenataltestosteronewasmeasuredonbothhandsandaveraged. Amthauermentalrotationtestwasusedfortheоценки ofthisspatialability. TheCAGrepeatpolymorphismintheandrogenreceptorgenewasпроанализированы usingPCRandcapillaryelectrophoresis.Linearregressionrevealedthat2D:4D пальцев длинаКоэффициент andthenumberofCAGrepeatsintheandrogenreceptorgenewereassociatedwithmentalвращение. Actuallevelsoftestosteronedidnotcorrelatesignificantly withmentalrotation. Многовариантное тестированиеanalysisofcovariancerevealedthatafteradjustmentofageasaconfoundingvariable, onlytheeffectofgeneticpolymorphismwassignificant. TheresultsareinlinewithourpreviousgeneticanalysisofintellectuallygiftedboysshowingtheimportanceofCAGrepeatpolymorphismintheandrogenreceptorгена. Detailsoftheinteractionsbetweenandrogensignaling, testosteronelevelsanditsmetabolismособенно duringtheprenataldevelopmentofbrainfunctionremaintobeelucidated.
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