How can humans adaptively use temporal regularities within their environment to help guide attention?

人类如何适应性地利用环境中的时间规律来帮助引导注意力?

基本信息

  • 批准号:
    2760336
  • 负责人:
  • 金额:
    --
  • 依托单位:
  • 依托单位国家:
    英国
  • 项目类别:
    Studentship
  • 财政年份:
    2021
  • 资助国家:
    英国
  • 起止时间:
    2021 至 无数据
  • 项目状态:
    未结题

项目摘要

Real-world environments are not entirely random but imbued with regularities. We can use these regularities to form predictions about future relevant events and proactively guide our behaviour. Research using static visual-search tasks, where participants search for targets amongst other, distracting items, has shown that we can learn regularities within busy visual scenes. Further, we can use these regularities to predict where targets will appear, or what they will look like, and accordingly guide our attention towards items in these locations, or with these visual features, to find targets more efficiently. However, unlike the visual-search arrays in these tasks, real-world scenes are dynamic. Thus, it is imperative to consider the effects of time, and temporal regularities, on visual search. Effects of temporal regularities on search have only recently begun to be investigated. Initial studies have done so using a dynamic visual-search task where certain targets predictably appeared in the same location and at the same time during trials. Other targets, and distractors, appeared at unpredictable locations and times. Here, participants identified spatiotemporally predictable targets significantly more often, and significantly faster, than spatiotemporally unpredictable targets. These findings suggest that participants learnt temporal regularities, here combined with spatial regularities, and used this knowledge to guide their attention towards certain locations at times when targets were expected to appear there. This initial evidence suggests that humans can use regularity-based temporal predictions as a helpful source of attentional guidance during visual search. However, we know little about the circumstances under which this can occur, or the nature of this time-dependent guidance. This project aims to provide insight into these questions. For example, I will investigate whether we can use temporal regularities to guide search when they operate independently of spatial location, and in combination with non-spatial features like colour. Further, I am interested in how participants' motor responses during search tasks may scaffold their learning and use of temporal regularities. I will investigate these questions, and others, using dynamic visual-search tasks in which targets and distractors appear at different times during trials, sometimes predictably. Depending on the question at hand, elements of these tasks, such as the predictable properties of targets (e.g., location and/or colour and/or time), or the motor responses the tasks require, will vary. I will also develop new methods to acquire and analyse time series data capturing continuous behavioural and brain measures while people perform the dynamic visual-search tasks. These measures will be more informative for understanding how exactly regularity-based temporal predictions may shape attentional guidance over time, compared to typical accuracy or response-time measures. For example, I will measure the likelihood of participants fixating, with their eyes, a particular distractor over time. I will assess how this likelihood changes in the moments before a target sharing features with that distractor predictably appears. An increase in fixation likelihood of the distractor here would reflect an increase in attentional prioritisation of target features. Here, it will be particularly interesting to see how soon before a temporally predictable target appears this increase may begin. Overall, this project aims to expand and deepen our understanding of how humans can learn and use temporal regularities in their environment to form predictions and adaptively guide their visual attention over time. This project will contribute to our understanding of how we can perform tasks efficiently and effectively in the busy and dynamic real world. Further, it will contribute to wider research investigating the previously neglected topic of timing in selective visual attention.
现实世界的环境并非完全随机,而是充满了随机性。我们可以利用这些信息来预测未来的相关事件,并主动指导我们的行为。研究使用静态视觉搜索任务,参与者在其他分散注意力的物品中搜索目标,表明我们可以在忙碌的视觉场景中学习目标。此外,我们可以使用这些特征来预测目标将出现在哪里,或者它们看起来像什么,并相应地引导我们的注意力转向这些位置的物品,或者使用这些视觉特征,以更有效地找到目标。然而,与这些任务中的视觉搜索阵列不同,真实世界的场景是动态的。因此,必须考虑时间和时间间隔对视觉搜索的影响。只是最近才开始调查的影响,时间的搜索。最初的研究使用动态视觉搜索任务来完成,其中某些目标可预测地出现在同一位置,并在试验期间的同一时间。其他目标和干扰物出现在不可预测的地点和时间。在这里,参与者识别时空可预测的目标显着更频繁,显着更快,比时空不可预测的目标。这些研究结果表明,参与者学习了时间上的距离感,这里结合了空间距离感,并利用这些知识在目标预计出现的时候将他们的注意力引导到某些位置。这一初步证据表明,人类可以使用基于规则的时间预测作为视觉搜索过程中注意力引导的有用来源。然而,我们对这种情况可能发生的情况或这种依赖时间的指导的性质知之甚少。本项目旨在深入了解这些问题。例如,我将研究我们是否可以使用时间序列来指导搜索,当它们独立于空间位置运行时,并与非空间特征(如颜色)相结合。此外,我感兴趣的是参与者在搜索任务中的运动反应如何支撑他们的学习和使用时间记忆。我将使用动态视觉搜索任务来研究这些问题以及其他问题,在这些任务中,目标和干扰物在试验期间的不同时间出现,有时是可预测的。根据手头的问题,这些任务的元素,如目标的可预测属性(例如,位置和/或颜色和/或时间),或者任务所需的运动响应将变化。我还将开发新的方法来获取和分析时间序列数据,在人们执行动态视觉搜索任务时捕获连续的行为和大脑测量。与典型的准确性或反应时间测量相比,这些测量将更有助于理解基于规则的时间预测如何随着时间的推移塑造注意力引导。例如,我将测量参与者随着时间的推移用眼睛注视特定干扰物的可能性。我将评估这种可能性如何变化的时刻之前,一个目标共享功能与该分心可预见的出现。这里,分心物的固定可能性的增加将反映目标特征的注意力优先级的增加。在这里,观察在时间上可预测的目标出现之前多久这种增加可能开始将是特别有趣的。总的来说,该项目旨在扩大和加深我们对人类如何在其环境中学习和使用时间序列来形成预测并随着时间的推移自适应地引导他们的视觉注意力的理解。这个项目将有助于我们理解我们如何在忙碌和动态的真实的世界中有效地执行任务。此外,它将有助于更广泛的研究调查以前被忽视的主题选择性视觉注意的时间。

项目成果

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其他文献

吉治仁志 他: "トランスジェニックマウスによるTIMP-1の線維化促進機序"最新医学. 55. 1781-1787 (2000)
Hitoshi Yoshiji 等:“转基因小鼠中 TIMP-1 的促纤维化机制”现代医学 55. 1781-1787 (2000)。
  • DOI:
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  • 影响因子:
    0
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LiDAR Implementations for Autonomous Vehicle Applications
  • DOI:
  • 发表时间:
    2021
  • 期刊:
  • 影响因子:
    0
  • 作者:
  • 通讯作者:
生命分子工学・海洋生命工学研究室
生物分子工程/海洋生物技术实验室
  • DOI:
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    0
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吉治仁志 他: "イラスト医学&サイエンスシリーズ血管の分子医学"羊土社(渋谷正史編). 125 (2000)
Hitoshi Yoshiji 等人:“血管医学与科学系列分子医学图解”Yodosha(涉谷正志编辑)125(2000)。
  • DOI:
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    0
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Effect of manidipine hydrochloride,a calcium antagonist,on isoproterenol-induced left ventricular hypertrophy: "Yoshiyama,M.,Takeuchi,K.,Kim,S.,Hanatani,A.,Omura,T.,Toda,I.,Akioka,K.,Teragaki,M.,Iwao,H.and Yoshikawa,J." Jpn Circ J. 62(1). 47-52 (1998)
钙拮抗剂盐酸马尼地平对异丙肾上腺素引起的左心室肥厚的影响:“Yoshiyama,M.,Takeuchi,K.,Kim,S.,Hanatani,A.,Omura,T.,Toda,I.,Akioka,
  • DOI:
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    0
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的其他文献

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核燃料模拟物的现场辅助烧结
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评估用于航空航天应用的新型抗疲劳钛合金
  • 批准号:
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  • 项目类别:
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Developing a 3D printed skin model using a Dextran - Collagen hydrogel to analyse the cellular and epigenetic effects of interleukin-17 inhibitors in
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