面部表情处理的动态发育特征因情绪不同而有所不同
Hua Bai1,2, Jake J Son1,2,3, Nathan M Petro1,2
1Institute for Human Neuroscience, Boys Town National Research Hospital, Boys Town, NE, USA.
Communications biology
|October 1, 2025
概括
面部处理过程中的大脑活动从童年到青春期发生显著变化. 神经振荡向后部区域转移,并显示威胁检测的专业化增加,影响社会认知发展.
科学领域:
- 神经科学是一个神经科学.
- 发展心理学 发展心理学
- 社会认知是指社会认知.
背景情况:
- 面部表情是理解情绪和意图的重要社交线索.
- 情感面部处理的神经基础是已知的,但大脑振荡的发育变化不太了解.
研究的目的:
- 研究儿童和青少年在面部表情处理过程中神经振荡动态的发育轨迹.
- 为了检查与年龄相关的α/β和gamma振荡的变化,以响应不同的面部表情.
主要方法:
- 磁脑电图 (MEG) 用于6-17岁典型发育个体的大样本.
- 参与者对愤怒,快乐和中立的面孔进行了性别判断.
- 神经振荡 (α,β,gamma) 被量化并分析了与年龄相关的变化.
主要成果:
- 对中性面部的α/β反应随着年龄的增长而转向后部处理 (后部上皮质增加,前额皮质减少).
- 马振荡随着年龄的增长而增加,在 temporoparietal junction 和 fusiform 中,愤怒和中立的面孔增加,这表明威胁/模两可处理的增强.
- 快乐的脸表现出与年龄相关的注意力皮层的马衰减,这表明注意力需求减少.
结论:
- 这项研究提供了对面部表情处理神经动态发育变化的最全面的评估.
- 研究结果揭示了神经处理和专业化的与年龄相关的转变,为心理病理学相关的机制提供了洞察力.
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