对于语言来说,大脑的功能组织中的性别差异
B A Shaywitz1, S E Shaywitz, K R Pugh
1Department of Pediatrics, Yale University School of Medicine, New Haven, Connecticut 06510-8064.
Nature
|February 16, 1995
概括
研究了大脑语言组织中的性别差异. 男人表现出左脑侧面化声学任务,而女性参与了两个半球,表明明显的神经处理.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 心理学 心理学 心理学
背景情况:
- 大脑对语言的功能组织,特别是性别差异,仍然是一个争论的话题.
- 一个普遍的假设表明,语言在男性中更侧向,在女性中更双向,但证据不确定.
研究的目的:
- 在语言处理过程中,研究大脑功能组织中的性别差异.
- 为了检查神经激活模式跨拼写,语音和语义任务在男性和女性.
主要方法:
- 在38名右撇子 (19名男性,19名女性) 上利用了回声平面功能磁共振成像 (fMRI).
- 参与者执行了拼写 (字母识别),语音 (律律) 和语义 (类别) 任务.
主要成果:
- 在语音任务中,男性大脑的激活是侧向左下额头的.
- 女性参与者表现出不同的激活模式,涉及双边下额回区域.
- 这些发现表明神经系统在语音处理方面存在基于性别的变异.
结论:
- 这项研究提供了性别差异在语言功能性大脑组织中的明确证据.
- 这些变化在语音处理水平上尤其明显.
相关概念视频
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