性别特定的静止状态rDMPFC中心的功能连接性是时间间选择的基础
Chenyu Lv1, Zhibing Xiao2, Yachen Sun3
1Faculty of Psychology, Southwest University, Chongqing 400715, China.
Cerebral cortex (New York, N.Y. : 1991)
|August 1, 2023
概括
男性的延迟折扣比女性更大,反映了大脑中不同的神经连接模式. 这项研究揭示了前额叶皮层等区域的性别特异性功能连接性差异,影响决策.
科学领域:
- 神经科学是一个神经科学.
- 认知神经科学 认知神经科学
- 决策科学 决策科学 决策科学
背景情况:
- 跨时代选择中的性别差异已被记录下来,但它们的神经支仍然不清楚.
- 了解这些差异对于理解决策冲动性及其神经基础至关重要.
研究的目的:
- 通过静止状态功能连接 (rsFC) 来研究时间间选择的性别特异的神经基础.
- 为了确定大脑连接模式在男性和女性之间如何不同,与延迟折扣有关.
主要方法:
- 在三个独立样本中使用了rsFC分析 (N=555个总和).
- 专注于右背中前额叶皮层 (rDMPFC) 作为整个大脑连接分析感兴趣的区域.
- 采用了减法方法来隔离特定性别的连接模式,并通过斜率测试验证了结果.
主要成果:
- 在所有样本中,一致观察到男性的延迟折扣率 (log k) 比女性高.
- 确定了与log k相关的独特rsFC模式,这些模式在性别之间存在显著差异.
- 在女性中,较高的log k与rsdfc在rdmpfc和前带状皮层/右轨道前皮层之间相关;在男性中,它与rsdfc在rdmpfc和左轨道前皮层/右前皮层之间相关.
结论:
- 在间选择的基础上的神经机制表现出显著的性别差异.
- 这些发现提高了对决策冲动性及其神经生物学相关性的性别差异的理解.
- 强调在研究决策过程中考虑性别的重要性.
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