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Imaging early consolidation of perceptual learning with face stimuli during rest

机译：成像休息时面部刺激的早期知觉学习巩固

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摘要

Studies investigating visual perceptual learning (VPL) have traditionally used simple visual tasks and focused on assessing the active (online) processes of learning and memory: encoding and retrieval. The assessment of complex stimuli and the passive (offline) process of consolidation is, however, necessary for a full understanding of the development of VPL and has received little direct analysis. In the current study, 30 young adults completed a VPL task with face stimuli while undergoing an fMRI scan. Activity was assessed within offline rest breaks both during and after the learning task. Changes in baseline activity within functionally-relevant regions were identified during these rest periods. Furthermore, differences in consolidation-related resting activity were evident between individuals who performed well on the active task, and those who performed less well. These findings provide preliminary evidence that activity during offline rest breaks, which immediately follow the active task, is associated with consolidation and learning, in VPL.
机译：传统上，研究视觉感知学习（VPL）的研究使用简单的视觉任务，并着重于评估学习和记忆的主动（在线）过程：编码和检索。然而，对于全面了解VPL的发展，评估复杂的刺激和被动的（离线）整合过程是必要的，并且鲜有直接分析。在当前的研究中，有30位年轻人在接受功能磁共振成像扫描的同时完成了带有面部刺激的VPL任务。在学习任务期间和之后，对离线休息时间的活动进行了评估。在这些休息时间段内，确定了功能相关区域内基线活动的变化。此外，在与完成任务相关的休息活动中，表现出色的个体与表现较差的个体之间存在明显差异。这些发现提供了初步的证据，表明在VPL中，紧随活动任务之后的离线休息期间的活动与巩固和学习有关。

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  • 来源
    《Brain and cognition》 |2014年第3期|170-179|共10页
  • 作者

    J.S. Vilsten; M.E. Mundy;

  • 作者单位

    School of Psychology and Psychiatry, Building 17, Clayton Campus, Monash University, Victoria 3800, Australia;

    School of Psychology and Psychiatry, Building 17, Clayton Campus, Monash University, Victoria 3800, Australia;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Consolidation; Faces; Perceptual learning; Memory; fMRI; Resting;

    机译：合并;面孔;知觉学习;记忆;功能磁共振成像;休息中;

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