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Relations between prenatal testoster...

Grimshaw, Gina M.

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Relations between prenatal testosterone and cerebral lateralization: A test of three hypotheses.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Relations between prenatal testosterone and cerebral lateralization: A test of three hypotheses./
作者:	Grimshaw, Gina M.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 1993,
面頁冊數:	91 p.
附註:	Source: Masters Abstracts International, Volume: 55-05.
Contained By:	Masters Abstracts International55-05.
標題:	Psychobiology. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MM81224
ISBN:	9780315812246

Relations between prenatal testosterone and cerebral lateralization: A test of three hypotheses.
Grimshaw, Gina M.

Relations between prenatal testosterone and cerebral lateralization: A test of three hypotheses. - Ann Arbor : ProQuest Dissertations & Theses, 1993 - 91 p.

Source: Masters Abstracts International, Volume: 55-05.

Thesis (M.A.)--University of Waterloo (Canada), 1993.

This item must not be sold to any third party vendors.

In the present study, prenatal testosterone levels were measured in amniotic fluid obtained from second trimester amniocentesis. Subjects were 53 10-year old children (25 girls and 28 boys) who have been followed longitudinally since birth as part of the Amniocentesis Follow-Up Study (Finegan et al., 1984, 1985, 1990). Relations were examined between prenatal testosterone and three asymmetries; handedness, lateralization of speech, and lateralization of affect. In girls, prenatal testosterone levels were positively associated with handedness scores and with language lateralization. Girls with higher testosterone levels were more strongly right-handed, and had stronger left-hemisphere language representation. In boys, prenatal testosterone levels were negatively associated with lateralization of affect. Boys with higher testosterone levels had greater right-hemisphere specialization for emotional processing. In all cases where relations were observed, higher levels of prenatal testosterone were associated with greater lateralization in the direction of the population bias. This pattern of results is most consistent with Witelson's (1991) hypothesis that testosterone acts prenatally to promote lateralization of function. (Abstract shortened by UMI.).

ISBN: 9780315812246Subjects--Topical Terms:

555678
Psychobiology.

Relations between prenatal testosterone and cerebral lateralization: A test of three hypotheses.
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500 $a Source: Masters Abstracts International, Volume: 55-05.
500 $a Publisher info.: Dissertation/Thesis.
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506 $a This item must not be sold to any third party vendors.
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520 $a In the present study, prenatal testosterone levels were measured in amniotic fluid obtained from second trimester amniocentesis. Subjects were 53 10-year old children (25 girls and 28 boys) who have been followed longitudinally since birth as part of the Amniocentesis Follow-Up Study (Finegan et al., 1984, 1985, 1990). Relations were examined between prenatal testosterone and three asymmetries; handedness, lateralization of speech, and lateralization of affect. In girls, prenatal testosterone levels were positively associated with handedness scores and with language lateralization. Girls with higher testosterone levels were more strongly right-handed, and had stronger left-hemisphere language representation. In boys, prenatal testosterone levels were negatively associated with lateralization of affect. Boys with higher testosterone levels had greater right-hemisphere specialization for emotional processing. In all cases where relations were observed, higher levels of prenatal testosterone were associated with greater lateralization in the direction of the population bias. This pattern of results is most consistent with Witelson's (1991) hypothesis that testosterone acts prenatally to promote lateralization of function. (Abstract shortened by UMI.).
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