催产素差异调节早期神经对面部和非社会刺激的反应
Eleanor Moses1, Nicole Nelson2, Jessica Taubert1
1School of Psychology, The University of Queensland, Brisbane 4072, Australia.
Social cognitive and affective neuroscience
|February 19, 2024
概括
催产素 (OT) 影响大脑处理面孔和非社会视觉刺激的方式不同. 这种激素影响与视觉事件相关的潜能,对面部和非面部视觉信息表现出明显的影响.
科学领域:
- 神经科学是一个神经科学.
- 心理药理学 心理药理学
- 认知科学 认知科学
背景情况:
- 已知催产素 (OT) 调节社会认知,特别是处理面部信息.
- 催产素对非社会视觉刺激的处理的影响仍然不太清楚.
- 研究这些影响需要有控制的实验设计来隔离荷尔蒙影响.
研究的目的:
- 调查鼻内催产素 (OT) 是否影响非社会视觉刺激的处理.
- 用电脑电图 (EEG) 来比较OT对面部处理和非社会刺激的影响.
- 检查OT诱导的调制和个人焦虑水平之间的关系.
主要方法:
- 一个随机的,双盲的,安慰剂控制的,主体内EEG研究与37名 cisgender男性参与者进行.
- 参与者接受了鼻内催产素 (24IU) 或安慰剂,并通过情绪/中性面孔和威胁/非威胁非社会刺激执行了一项单背任务.
- 分析了与事件相关的潜力 (ERP),以评估差异化处理效应.
主要成果:
- 对于面部和非社会刺激而言,氧化素差异调节ERP.
- 对于面部,OT增加了后N1和前P1的振幅,并导致长期的差异在顶和后部.
- 对于非社会刺激,OT增加了右头顶N1幅度,后来对右头顶和尾部位的威胁刺激产生了特殊影响. 这些影响独立于焦虑水平.
结论:
- 催产素差异调节面部和非社会视觉刺激的神经处理.
- 这些发现表明,OT对视觉处理和认知的影响是刺激依赖的.
- 在这种情况下,催产素对视觉处理的调节作用不受非临床焦虑水平的影响.
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