皮层厚度揭示了口语和视觉空间记忆中的性别差异
Feng Sang1,2, Shaokun Zhao1,2, Zilin Li1,2
1State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing 100875, China.
Cerebral cortex (New York, N.Y. : 1991)
|March 7, 2024
概括
女人擅长口头记忆,男性擅长视觉空间记忆,有不同的大脑网络支持这些认知能力在老年人中. 这突出了影响记忆表现的性别特异的神经模式.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 衰老研究研究 衰老研究
背景情况:
- 以前的研究表明,行为,认知和大脑结构的性别差异.
- 记忆能力,神经支和衰老期间的性别差异之间的关系尚未完全理解.
研究的目的:
- 在一个老龄化的队列中,研究皮质厚度和记忆能力 (口头和视觉空间) 之间的关系中的性别差异.
- 为了确定这些性别差异化的记忆功能背后的特定大脑区域和神经网络.
主要方法:
- 利用机器学习模型分析皮质厚度与记忆性能之间的关联.
- 检查了来自社区老年人队列的数据 (n=1153,年龄为50.42-86.67岁).
- 与特定神经网络相关的大脑区域 (边缘神经网络,注意力,默认模式,前端对象,视觉).
主要成果:
- 经证实女性在口头记忆方面表现优于男性,而男性在视觉空间记忆方面表现优于女性.
- 确定了与边缘和注意力网络相关的女性口头记忆的关键区域 (中间皮层,轨道前皮层,岛屿).
- 确定了与注意力和视觉网络相关的男性视觉空间记忆的关键区域 (侧向前额叶皮质,前带带状回,部区域).
结论:
- 记忆表现中的性别特异优势可能源于不同的神经处理倾向和相关的大脑网络.
- 在不同大脑区域和网络中皮层厚度的变化是老化记忆功能的性别差异的基础.
- 这些发现有助于理解认知衰老和性别差异的神经生物学基础.
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