轨道前皮层灰质体积与风险承担之间的关系中的性别差异.
Suril Gohel1, Andrew P Szeszko1, Chi C Chan2,3
1Department of Health Informatics, Rutgers University, Newark, New Jersey.
Neuroreport
|March 12, 2026
概括
这项研究揭示了风险承担和冲动性方面的性别差异,男性的整体风险承担率更高,女性的预谋性更高. 男性的大脑结构的差异部分解释了这些行为.
科学领域:
- 神经科学是一个神经科学.
- 行为科学 行为科学
- 神经成像是一种神经成像.
背景情况:
- 冒险和冲动性是相关的,但经常被单独研究.
- 这些行为中性别差异背后的神经生物学机制尚未得到充分理解.
研究的目的:
- 为了研究风险承担和冲动性的性别差异.
- 检查轨道前皮层灰质体积与这些行为之间的关系.
主要方法:
- 164名成年人 (69M/95F) 完成了风险承担和冲动性的自我报告措施.
- 用MRI评估横向和中间轨道前皮层的灰质体积.
- 进行了相关性和调解分析,以探索大脑与行为之间的关系.
主要成果:
- 男人显示出更大的整体风险承担;女性显示出更大的预谋缺乏.
- 男性的积极紧迫性和寻找感觉的程度高于女性.
- 风险承担和冲动性在两性之间都有积极的相关性,在女性中更强.
- 在男性中,更大的风险承担与侧向轨道前皮层体积相关,以寻找感觉为媒介.
- 对于中间轨道前皮层体积,没有发现显著的相关性.
结论:
- 性差异存在于侧轨前皮层体积和风险承担之间的关系中.
- 感觉寻找部分调解了男性的这种关系,提供了对性别特定的大脑行为关联的见解.
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