지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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Objectives : Cerebral laterality is thought to be an important marker for neurodevelopment. Prenatal testosterone could influence both cerebral laterality and 2nd to 4th finger length ratio(2D : 4D). EEG coherence and 2D : 4D were examined to investigate the relationship between prenatal testosterone level and cerebral laterality. Methods : EEG was recorded in 24 healthy subjects in the eyes closed resting state. Differences in 2D : 4D finger ratio were used to discriminate "masculine finger type" and "feminine finger type" groups. The 2D : 4D ratio was lower and greater than one for the "masculine finger type" group and "feminine finger type" group, respectively. We used coherence analysis to estimate the cortical functional connectivity. Results : There were statistically meaningful relationships among cerebral functional connectivity, sex and finger ratio. Man and masculine finger type group showed higher intra-hemispheric coherence than those of woman and feminine finger type group. Woman and feminine finger type group showed higher inter-hemispheric coherence than those of man and masculine finger type group. Conclusions : These results imply that prenatal testosterone might act as important determinants of cerebral laterality. Further examination of the relationship between 2D : 4D and EEG coherence in schizophrenia could give some clues for the neurodevelopmental hypothesis of schizophrenia genesis.
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참고문헌 (49)
참고문헌 신청
Manning JT / 2004 / Sex and ethnic differences in 2nd to 4th digit ratio of childen / Early Human Development 80:161~168
Manning JT / 2002 / Digit ratio: A pointer to fertility, behavior, and health. New Brunswick / Rutgers University Press
Kondo T / 1997 / Of fingers, toes and penises / Nature 390:185~198
Chamberlain NL / 1994 / The length and location of CAG trinucleotide repeats in the androgen receptor N-terminal domain affect transactivation function / Nucleic Acids Research 22:3181~3186
Putz DA / 2004 / Sex hormones and finger length: What does 2D：4D indicate / Evolution and human behavior 25:182~199
Manning JT / 2002 / Digit ratio: A pointer to fertility, behavior, and health. New Brunswick / Rutgers University Press
Kondo T / 1997 / Of fingers, toes and penises / Nature 390:185~198
Chamberlain NL / 1994 / The length and location of CAG trinucleotide repeats in the androgen receptor N-terminal domain affect transactivation function / Nucleic Acids Research 22:3181~3186
Putz DA / 2004 / Sex hormones and finger length: What does 2D：4D indicate / Evolution and human behavior 25:182~199
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