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在ERP中的分类器定量化原始化效应与面部认知能力之间的关系:任务难度和延迟变异性的贡献

Yilin Li¹, Werner Sommer², Andrea Hildebrandt³

¹Department of Physics, Hong Kong Baptist University, Hong Kong Special Administrative Region of China; Institute of Transdisciplinary Studies, Hong Kong Baptist University, Hong Kong Special Administrative Region of China; Centre for Nonlinear Studies and Beijing-Hong Kong-Singapore Joint Centre for Nonlinear and Complex Systems (Hong Kong), Hong Kong Baptist University, Hong Kong Special Administrative Region of China.

Cortex; a journal devoted to the study of the nervous system and behavior

|July 8, 2025

概括

延迟变化在面部认知中显著影响大脑行为关系. 对延迟转移进行校正,发现早期重复效应 (N250r) 和面部速度,以及后期效应 (N400) 和面部记忆精度之间存在明显的关联.

科学领域:

认知神经科学认知神经科学
神经科学是一个神经科学.
心理学心理学心理学

背景情况:

面部认知的个体差异与事件相关潜力 (ERP) 的早期重复效应 (N250r) 相相关.
较晚的原始化效应 (例如,N400) 和面部认知能力之间的联系不太清楚,这阻碍了对它们的认知意义的充分理解.
试验和参与者之间的延迟变化可能会掩盖这些大脑行为关系.

研究的目的:

通过使用深度神经网络分类性能,研究面部认知能力与原始化效应 (N250r,N400) 之间的关系.
检查任务难度和延迟变化如何影响这些大脑行为关联.
确定延迟转移在基于ERP的大脑行为相关性中的作用.

主要方法:

采用深度神经网络,通过对每个参与者的分类性能来量化原始化效应.
利用结构方程建模来探索原始化效应和面部认知之间的关系.
应用了基于RIDE的逐步延迟校正方法,以考虑试验对试验的变化.

主要成果:

在早期重复效应 (N250r) 和面部认知速度之间发现了显著的关联.
N400效应与面部记忆准确性有更强烈的联系.
这些关联在ERP任务中比较容易,在ERP任务中更明显.
纠正条件之间的延迟转移取消了观察到的ERP振幅-行为相关性.

结论:

延迟转移是影响面部认知中观察到的大脑行为关系的关键因素.
分类器量化的原始化效应为建模这些关系提供了强大的衡量标准.
了解延迟变化对于准确解释认知神经科学研究中的ERP发现至关重要.

关键词:

大脑与行为之间的关系.面部认知面部认知原始化效应的原始化影响任务的难度任务的难度试验对试验的变化性.

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