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Age-related differences in brain activity during implicit and explicit processing of fearful facial expressions

机译：恐惧面部表情的隐含和明确处理期间脑活动的年龄相关差异

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摘要

Age-related differences in neural correlates underlying implicit and explicit emotion processing are unclear. Within the framework of the Frontoamygdalar Age-related Differences in Emotion model (St Jacques et al., 2009), our objectives were to examine the behavioral and neural modifications that occur with age for both processes. During explicit and implicit processing of fearful faces, we expected to observe less amygdala activity in older adults (OA) than in younger adults (YA), associated with poorer recognition performance in the explicit task, and more frontal activity during implicit processing, suggesting compensation. At a behavioral level, explicit recognition of fearful faces was impaired in OA compared with YA. We did not observe any cerebral differences between OA and YA during the implicit task, whereas in the explicit task, OA recruited more frontal, parietal, temporal, occipital, and cingulate areas. Our findings suggest that automatic processing of emotion may be preserved during aging, whereas deliberate processing is impaired. Additional neural recruitment in OA did not appear to compensate for their behavioral deficits. (C) 2016 Elsevier B.V. All rights reserved.
机译：神经相关的年龄相关差异隐含和显式情绪处理的潜在相关性尚不清楚。在Frontoamygdalar年龄相关差异的框架内，情感模型（St Jacques等，2009），我们的目标是检查两种过程的年龄发生的行为和神经修改。在明确和隐性地处理恐惧面临的过程中，我们预计比在明确的任务中的年轻成年人（YA）中的较年轻成人（ya）中的杏仁达拉达活动较少，以及在隐性处理期间的额度活动，建议赔偿。在行为水平，与YA相比，OA的明确表彰恐惧面孔受到损害。在隐性任务期间，我们没有观察到OA和YA之间的任何脑差异，而在明确的任务中，OA招募了更多的正面，前景，时间，枕骨和刺痛区域。我们的研究结果表明，在老龄化期间可以保留自动处理情绪，而故意加工受损。 OA中的额外神经招聘似乎没有弥补他们的行为赤字。 （c）2016年Elsevier B.v.保留所有权利。

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  • 来源
    《Brain research》 |2016年第null期|共10页
  • 作者

    Zsoldos Isabella; Cousin Emilie; Klein-Koerkamp Yanica; Pichat Cedric; Hot Pascal;

  • 作者单位

    Univ Savoie Mt Blanc CNRS Lab Psychol &

    Neurocognit LPNC UMR 5105 Chambery France;

    Univ Grenoble Alpes CNRS Lab Psychol &

    Neurocognit LPNC UMR 5105 Grenoble France;

    Univ Grenoble Alpes CNRS Lab Psychol &

    Neurocognit LPNC UMR 5105 Grenoble France;

    Univ Grenoble Alpes CNRS Lab Psychol &

    Neurocognit LPNC UMR 5105 Grenoble France;

    Univ Savoie Mt Blanc CNRS Lab Psychol &

    Neurocognit LPNC UMR 5105 Chambery France;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 神经病学;
  • 关键词

    Aging; Fear; FMRI; Explicit task; Implicit task;

    机译：老化;恐惧;FMRI;明确的任务;隐含任务;

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