利用脑磁图研究发育正常青少年情绪冲突处理的时空相关性。

IF 2 3区 心理学 Q3 BEHAVIORAL SCIENCES
F. Kathryn King , Yanlong Song , Lorenzo Fabbri , M. Scott Perry , Christos Papadelis , Crystal M. Cooper
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引用次数: 0

摘要

利用功能性磁共振成像技术对成人情绪冲突处理所涉及的大脑网络进行了广泛的研究。然而,这些大脑激活的时间相关性在很大程度上仍不为人所知,尤其是在情感发育的关键阶段--青春期。在这里,我们阐明了 24 名发育正常的青少年(10-18 岁,22 名白种人)在情绪化的面孔-词语 Stroop 任务中情绪冲突处理的时空轮廓。我们使用脑磁图(MEG)计算了动态统计参数图,并比较了有情绪冲突和没有情绪冲突的试验,进行了基于全脑聚类的置换测试,然后进行了基于聚类的 ROI 时频分析。聚类分析发现了四个重要的聚类,包括扣带回皮层和颞叶皮层的早期激活,这可能分别与背侧和腹侧的处理流有关。其次是中额叶和前额叶皮层的晚期成分,这可能与反应执行和反应后监测有关。时频分析揭示了整个扣带回皮层β和γ波段的事件相关同步和非同步,这突出了扣带回皮层各分支的不同作用。我们的研究结果进一步证明了扣带回在跨时间的情绪冲突处理中的关键作用。提高我们对这一关键认知过程的理解将指导未来针对神经精神疾病人群的工作,这可能有助于诊断和治疗结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Spatiotemporal correlates of emotional conflict processing in typically developing adolescents using magnetoencephalography
Brain networks involved in emotional conflict processing have been extensively studied using functional magnetic resonance imaging in adults. Yet, the temporal correlates of these brain activations are still largely unknown, particularly in a key phase of emotional development, adolescence. Here, we elucidate the spatiotemporal profile of emotional conflict processing in 24 typically developing adolescents (10–18 years; 22 Caucasian) during an emotional face-word Stroop task. Using magnetoencephalography (MEG), we calculated dynamic statistical parametric maps and compared trials with and without emotional conflict whole-brain cluster-based permutation tests, followed by cluster-based ROI time-frequency analyses. Cluster analysis revealed four significant clusters, including early activation of the cingulate and temporal cortices, which may be related to dorsal and ventral streams of processing, respectively. This was followed by late components in the middle frontal and prefrontal cortices, which are likely related to response execution and post-response monitoring. Time-frequency analysis revealed event-related synchronizations and desynchronizations in beta and gamma bands across the cingulate cortex, which highlight the different roles of the cingulate subdivisions. Our findings provide further evidence of the cingulate's key role in emotional conflict processing across time. Improving our understanding of this key cognitive process will guide future work with neuropsychiatric populations, which may aid diagnosis and treatment outcomes.
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来源期刊
Neuropsychologia
Neuropsychologia 医学-行为科学
CiteScore
5.10
自引率
3.80%
发文量
228
审稿时长
4 months
期刊介绍: Neuropsychologia is an international interdisciplinary journal devoted to experimental and theoretical contributions that advance understanding of human cognition and behavior from a neuroscience perspective. The journal will consider for publication studies that link brain function with cognitive processes, including attention and awareness, action and motor control, executive functions and cognitive control, memory, language, and emotion and social cognition.
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