Rahman Qazi, Abrahams Sharon, Wilson Glenn D
Department of Psychology, Institute of Psychiatry, University of London, England.
Neuropsychology. 2003 Apr;17(2):240-6. doi: 10.1037/0894-4105.17.2.240.
This study examined the performance of 60 heterosexual men, 60 gay men, 60 heterosexual women, and 60 lesbians on 3 tests of verbal fluency known to show gender differences: letter, category, and synonym fluency. Gay men and lesbians showed opposite-sex shifts in their profile of scores. For letter fluency, gay men outperformed all other groups; lesbians showed the lowest scores. For category fluency, gay men and heterosexual women jointly outperformed lesbians and heterosexual men. Finally, gay men outperformed all other groups on synonym fluency, whereas lesbians and heterosexual men performed similarly. A difference between heterosexual men and women was demonstrated on category and synonym fluency only. The findings implicate within-sex differences in the functioning of the prefrontal and temporal cortices.
本研究考察了60名异性恋男性、60名男同性恋者、60名异性恋女性和60名女同性恋者在3项已知存在性别差异的语言流畅性测试中的表现：字母流畅性、类别流畅性和同义词流畅性。男同性恋者和女同性恋者在得分分布上出现了异性转变。在字母流畅性方面，男同性恋者的表现优于所有其他组；女同性恋者得分最低。在类别流畅性方面，男同性恋者和异性恋女性的表现共同优于女同性恋者和异性恋男性。最后，在同义词流畅性方面，男同性恋者的表现优于所有其他组，而女同性恋者和异性恋男性表现相似。仅在类别流畅性和同义词流畅性方面显示出异性恋男性和女性之间的差异。研究结果表明前额叶和颞叶皮质功能存在性别内差异。
