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一项ERP研究,研究了高度社会无情的个体对情绪面部的注意力预处理

Xin-Wei Fu¹, Juan Yang², Xin-Ran Yao¹

¹School of Psychology, Shandong Second Medical University, 7166 Baotong Xi Street, Weifang, Shandong 261053, China.

Psychiatry research. Neuroimaging

|April 5, 2025

概括

在处理情感面孔时,高社会无情症 (HSA) 个体表现出与表达相关的视觉不匹配负面性 (EMMN) 减少. 在注意力前的情感面部处理中,这种缺陷与社会无聊症的严重程度有关.

科学领域:

神经科学是一个神经科学.
精神病学是一个精神病学.
认知科学认知科学

背景情况:

与表情相关的视觉不匹配负面性 (EMMN) 反映了面部情绪处理中的预测错误.
在精神疾病如精神分裂症和严重抑郁症中观察到EMMN的减少.
社会无声症是一种跨诊断特征,但其对EMMN的影响尚未得到充分理解.

研究的目的:

研究高社会无情症 (HSA) 个体中意外面部情绪的注意前处理.
为了比较HSA和低社会无情 (LSA) 群体之间的EMMN反应.
探索EMMN赤字与社会无情症严重程度之间的关系.

主要方法:

使用一种奇怪的控制范式,带有快乐和悲伤的面部表情.
在三个时间窗口 (70-140毫秒,180-270毫秒,280-360毫秒) 中记录了EMMN组件.
分析了6个感兴趣地区31个HSA和31个LSA参与者的数据.

主要成果:

与LSA参与者相比,HSA参与者在280-360毫秒的时间窗口中表现出较低的EMMN振幅.
在这个晚期的时间窗口中,EMMN幅度的降低与社会无情的得分有显著的相关性.
这些发现表明,HSA.患者在晚期情绪面部处理方面存在特定的缺陷.

结论:

具有高社会无情感的个体表现出减少的EMMN,表明情绪面部表情的注意力预处理受损.
观察到的EMMN减少与社会无情程度密切相关.
这项研究增强了对社会无情的情感面部处理背后的心理生理机制的理解.

关键词:

情感面孔情感面孔与表情相关的视觉不匹配负面性 (EMMN)预注意处理是注意前处理.社会无情 (SA) 是一种社会无情.

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