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Auditory spatial attention gradients and the impact of working memory load on top-down guidance

机译:听觉空间注意力梯度和工作记忆负荷对自顶向下指导的影响

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摘要

Previous studies of visual spatial attention have found that attentional benefits are distributed as a gradient relative to an attended location. Further visual investigations of spatial attention have found that there are important interactions between the contents of a short-term memory (STM) load and the distribution of attention. These phenomena have been much less studied in the auditory domain. The present study aims to investigate the effects of a spatial STM load on attentional distribution in the auditory domain. Attention was directed by auditory targets that required a button-press response, and could appear at one of five spatial locations. Factors of target location, STM load, hemispace, and musical experience were analyzed with measures of accuracy and reaction time in response to targets. Results demonstrated a robust influence of STM load and target stimulus location on how auditory attention was allocated across space. Overall, these results suggest that different attentional profiles under conditions of STM load may be impacted by the type of representations held in STM, the features of these representations, and musical experience.
机译:先前关于视觉空间注意力的研究发现,注意力的好处是相对于参与位置的梯度分布。对空间注意力的进一步视觉研究发现,短期记忆(STM)负载的内容与注意力分布之间存在重要的相互作用。这些现象在听觉领域已经很少研究。本研究旨在调查空间STM负荷对听觉领域中注意分布的影响。注意力由需要按一下按钮的听觉目标指示,并且可能出现在五个空间位置之一。分析目标位置,STM负载,半空间和音乐体验的因素,并根据对目标的反应精度和反应时间进行分析。结果表明,STM负荷和目标刺激位置对听觉注意力在整个空间的分配方式具有强大的影响。总体而言,这些结果表明,在STM负载条件下,不同的注意力曲线可能会受到STM中所持表示形式,这些表示形式的特征以及音乐体验的影响。

著录项

  • 作者

    Winston, Jenna.;

  • 作者单位

    Tulane University School of Science and Engineering.;

  • 授予单位 Tulane University School of Science and Engineering.;
  • 学科 Cognitive psychology.;Neurosciences.;Behavioral psychology.
  • 学位 M.S.
  • 年度 2016
  • 页码 68 p.
  • 总页数 68
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 物理化学(理论化学)、化学物理学;
  • 关键词

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