在面部处理网络中的功能连接发展中的性别差异
Duncan Nowling1, Kathleen I Crum1,2, Jane Joseph1
1Department of Neuroscience, Medical University of South Carolina, Charleston, South Carolina, USA.
概括
性差异出现在大脑在发育过程中如何处理面对的过程中. 男人显示分离的增加,而女性显示分离和整合的面部处理网络与年龄.
科学领域:
- 神经科学是一个神经科学.
- 发展心理学 发展心理学
- 认知科学 认知科学
背景情况:
- 了解典型的面部处理网络发展中的性别差异对于识别性相关发育障碍 (如自闭症谱系障碍) 中的障碍至关重要.
- 其他认知领域的先前研究表明,神经网络发展中的潜在基于性别的差异.
研究的目的:
- 调查核心和扩展面部处理区域的整合和分离中的与年龄相关的性别差异.
- 为了确定女性是否随着年龄的增长在面部网络中表现出增加的整合和男性增加的隔离.
主要方法:
- 一个横截面设计,涉及133个典型的发展儿童和成年人.
- 功能性磁共振成像 (fMRI) 使用面部定位器任务.
- 心理生理相互作用 (PPI) 分析,以检查面部处理网络中的与年龄相关的功能连接性变化.
主要成果:
- 在面部观察过程中,男性显示右状面部区域 (FFA) 与右下额头 (IFG) 眼区域之间的合与年龄的减少.
- 雌性表现出随着年龄的增长而增加的整合,其证据是特定的FFA和面区域 (OFA) 与IFG连接的增强合.
- 在面部观测期间,女性在OFA与IFG部区域合中也表现出与年龄相关的分离.
结论:
- 面部处理网络的神经发育遵循性二态轨迹.
- 这些不同的发育路径,以男性的分离和女性的分离和整合为特征,主要发生在童年和青春期.
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