面部情绪的表现扩展从感觉到前额叶皮层与发展的表现
bioRxiv : the preprint server for biology
|June 6, 2025
概括
面部情感识别随着年龄的增长而发展,儿童主要使用后上皮质 (pSTC). 成年人也会激活背侧前额叶皮质 (DLPFC),这表明他们正在发展大脑网络来进行社交交流.
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
- 认知科学 认知科学
背景情况:
- 面部表情识别对于社交沟通至关重要,并在整个生命中发展.
- 由于数据采集的局限性,了解儿童中这种发展的神经基础是具有挑战性的.
研究的目的:
- 调查面部表情识别背后的大脑机制的发育变化.
- 为了比较儿童与成人的面部情绪的神经处理.
主要方法:
- 从童年 (5-10岁) 和童年后 (13-55岁) 的内脑电图 (EEG) 数据分析组.
- 检查了大脑区域的差异性参与,特别是后部上部皮质 (pSTC) 和后侧前额皮质 (DLPFC).
主要成果:
- 成年人 (童年后) 在pSTC和DLPFC中显示了面部情绪编码.
- 在pSTC中,儿童主要表现出面部情绪表达,DLPFC的参与有限.
- 在PSTC中编码复杂情绪随着年龄的增长而增加.
结论:
- 幼儿在面部情绪处理方面更多地依赖感官区域 (pSTC),而不是前额叶皮层 (DLPFC).
- 从DLPFC到pSTC的自上而下的调制可能在开发过程中成熟.
- 这种成熟使人能够全面了解面部情绪,特别是需要经验的复杂情绪.
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