丸激素的使用降低了健康男性对愤怒面部表情的敏感性:一种计算建模方法
Yu Nan1, Pranjal Mehta2, Jiajun Liao3
1Department of Applied Social Sciences, Hong Kong Polytechnic University, Hong Kong Special Administrative Region of China; School of Psychology and Cognitive Science, East China Normal University, Shanghai, China.
Psychoneuroendocrinology
|January 11, 2024
概括
丸激素的使用降低了男性对愤怒的面部表情的敏感性,这可能会影响威胁感知和攻击性行为. 这项研究调查了丸激素与识别面部威胁之间的因果关系.
科学领域:
- 神经内分泌学神经内分泌学
- 行为神经科学 行为神经科学
- 心理学 心理学 心理学
背景情况:
- 较高的丸激素水平与男性的侵略性和主导性增加有关.
- 威胁感知是将荷尔蒙与行为联系起来的潜在机制.
- 丸激素对男性识别面部威胁的因果关系尚不清楚.
研究的目的:
- 为了研究外源性的因果影响,男性对面部威胁线索的敏感性.
- 为了确定丸激素是否会影响愤怒和恐惧的面部表情的识别.
主要方法:
- 这是一项双盲,安慰剂控制的研究,涉及120名健康的年轻男性.
- 使用单剂量 (150毫克) 或安慰剂凝.
- 利用计算机建模 (漂移扩散建模,信号检测分析) 的心理物理任务来评估从变形面部表情中识别威胁.
主要成果:
- 与安慰剂相比,的使用显著降低了对愤怒的面部表情的感知敏感度.
- 没有观察到丸激素对识别恐惧面部表情有显著影响.
- 在回归分析,信号检测分析和漂移扩散建模中得到一致的结果.
结论:
- 外源丸激素减弱了对面部威胁,特别是愤怒信号的敏感性.
- 这种降低的敏感性可能会导致对社会支配的错误判断和增加的攻击性行为.
- 这些发现为丸激素在调节威胁感知和相关行为方面的作用提供了因果证据.
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