抑郁症患者无意识情绪处理的神经生理学途径：脑电图-核磁共振成像同步测量的启示。

IF 8.3 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

ACS Applied Materials & Interfaces Pub Date : 2024-11-01 DOI:10.1016/j.bpsc.2024.07.005

Julia Schräder , Lennard Herzberg , Han-Gue Jo , Lucia Hernandez-Pena , Julia Koch , Ute Habel , Lisa Wagels

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引用次数: 0

摘要

背景：重度抑郁障碍（MDD）的特点是强烈的情绪失调。驱动抑郁症负面情绪的机制可能是存在于无意识层面的快速过程：方法：通过同时测量脑电图-核磁共振成像（EEG-FMRI）和面部表情（快乐、悲伤、中性）来进行引物任务，以研究 MDD 中偏向无意识情绪处理的神经生理学途径。在目标情绪之前的引物会产生无意识（16.7 毫秒引物）和有意识（150 毫秒引物）试验。研究人员招募了一个 N = 126 的大样本，其中包括健康对照组（HC；n = 66；37 名女性）和 MDD（n = 60；31 名女性）：结果：与 MDD 相比，HC 在快乐试验中的反应时间较短，但在悲伤或中性试验中的反应时间较短。在无意识引物呈现的试验中，N170振幅低于有意识引物呈现的试验。N170振幅与皮层（右侧纺锤形回（FFG）、右侧颞中回、右侧颞下回、左侧辅助运动区、右侧额中回）和皮层下脑区（右侧杏仁核）相关。当有意识地呈现刺激时，N170 和大脑活动相关性的强度会增加。呈现的情绪并不影响N170值与大脑活动的相关性：我们的研究结果表明，MDD可能在行为和神经生理学水平上表现出有偏差的情绪调节能力。对人脸敏感的事件相关电位显示，与人脸识别（FFG）和情绪处理（杏仁核）相关区域的大脑活动增强具有相关性。这些发现在 MDD 和 HC 中都很明显，MDD 的效应大小较低，表明情绪识别和处理能力下降。

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Neurophysiological Pathways of Unconscious Emotion Processing in Depression: Insights From a Simultaneous Electroencephalography–Functional Magnetic Resonance Imaging Measurement

Background

Major depressive disorder (MDD) is characterized by strong emotional dysregulation. Mechanisms driving the negative affect in depression may be fast processes existing on an unconscious level.

Methods

A priming task was conducted using simultaneous electroencephalography–functional magnetic resonance imaging measurement involving presentation of facial expressions (happy, sad, and neutral) to examine the neurophysiological pathway of biased unconscious emotion processing in MDD. Priming prior to a target emotion created unconscious (16.7-ms primer) and conscious (150-ms primer) trials. A large sample (N = 126) was recruited, containing healthy control participants (n = 66; 37 women) and participants with MDD (n = 60; 31 women).

Results

The healthy control group showed a shorter reaction time in happy but not in sad or neutral trials compared with the MDD group. N170 amplitudes were lower in trials with unconscious than conscious primer presentation. N170 amplitudes correlated with cortical (right fusiform gyrus, right middle temporal gyrus, right inferior temporal gyrus, left supplementary motor area, right middle frontal gyrus) and subcortical brain regions (right amygdala). The strength of N170 and brain activity correlation increased when the stimulus was consciously presented. Presented emotions did not affect the correlation of N170 values and brain activity.

Conclusions

Our findings show that MDD may exhibit biased emotion regulation abilities at a behavioral and neurophysiological level. Face-sensitive event-related potentials demonstrate a correlation with heightened brain activity in regions associated with both face recognition (fusiform gyrus) and emotion processing (amygdala). These findings are evident in both MDD and healthy control groups, with lower effect sizes in the MDD group indicating reduced emotion recognition and processing abilities.

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来源期刊

ACS Applied Materials & Interfaces 工程技术-材料科学：综合

CiteScore

16.00

自引率

6.30%

发文量

4978

审稿时长

1.8 months

期刊介绍： ACS Applied Materials & Interfaces is a leading interdisciplinary journal that brings together chemists, engineers, physicists, and biologists to explore the development and utilization of newly-discovered materials and interfacial processes for specific applications. Our journal has experienced remarkable growth since its establishment in 2009, both in terms of the number of articles published and the impact of the research showcased. We are proud to foster a truly global community, with the majority of published articles originating from outside the United States, reflecting the rapid growth of applied research worldwide.