神经影像测量与健康成年人面部情绪处理的关联:任务 fMRI 研究。

Gantian Huang, Chen Qiu, Meng Liao, Qiyong Gong, Longqian Liu, Ping Jiang
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引用次数: 0

摘要

研究情绪相关的神经回路对情绪面部加工的基础处理可能有助于理解精神障碍。我们使用多伦多情感障碍量表的两个分量表来评估 25 名健康参与者的情感认知。得分越高,表明情绪认知越困难。此外,参与者还在功能磁共振成像中完成了一项 "n-back "任务。心理生理学交互分析用于探索神经回路的功能连接(FC)。接下来,我们使用弹性网回归分析进行特征选择,并对神经成像测量和问卷评分进行了相关分析。经过 3 倍交叉验证,5 项神经影像测量结果成为重要特征。相关性分析结果表明,TAS得分较高的参与者在面部刺激处理过程中杏仁核和枕面部区(OFA)之间的FC增加,但在情绪处理过程中连接性降低。这些研究结果表明,情绪识别能力差的人在面部加工过程中,面部相关脑区之间的连通性会增加。然而,在情绪处理过程中,参与情绪处理的神经回路之间的神经同步性降低会影响面部表情处理。这些发现提示了与主观情绪感知有关的潜在神经标记,可能有助于诊断和治疗精神病患者的情绪失调。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Association of neuroimaging measures with facial emotional processing in healthy adults: a task fMRI study.

Investigating the neural processing of emotion-related neural circuits underlying emotional facial processing may help in understanding mental disorders. We used two subscales of the Toronto Alexithymia Scale (TAS) to assess the emotional cognitive of 25 healthy participants. A higher score indicates greater difficulty in emotional perception. In addition, participants completed a n-back task during functional magnetic resonance imaging. Psychophysiological interaction analysis was used to explore the functional connectivity (FC) of neural circuits. Next, we used elastic-net regression analysis for feature selection and conducted correlation analysis between the neuroimaging measures and questionnaire scores. Following a 3-fold cross-validation, five neuroimaging measures emerged as significant features. Results of correlation analysis demonstrated that participants with higher TAS scores exhibited increased FC between the amygdala and occipital face area during facial stimulus processing, but decreased connectivity during emotional processing. These findings suggested that individuals with poor emotional recognition exhibited increased connectivity among face-related brain regions during facial processing. However, during emotional processing, decreasing neural synchronization among neural circuits involved in emotional processing affects facial expression processing. These findings suggest potential neural marker related to subjective emotional perception, which may contribute to the diagnosis and treatment of emotional dysregulation in individuals with psychiatric conditions.

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