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相关概念视频

Working Memory01:24

Working Memory

389
Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...
389

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相关实验视频

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Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)
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时间方块序列:评估视觉空间工作记忆的新任务.

Pierandrea Mirino1,2,3, Sara Mercuri1, Anna Pecchinenda1,3

  • 1Department of Psychology, "Sapienza" University of Rome, Rome, Italy.

Frontiers in behavioral neuroscience
|June 16, 2023
PubMed
概括

视觉刺激的隐性时间变化显著影响工作记忆性能. 当第二个序列 (S2) 与第一个固定的序列 (S1) 相比具有可变时间时,任务难度会增加.

关键词:
小脑的介绍小脑的介绍.下级橄园综合体是一个低级橄园.时间变化的时间变化.视觉空间记忆 视觉空间记忆工作记忆 工作记忆

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科学领域:

  • 认知心理学 认知心理学
  • 神经科学是一个神经科学.

背景情况:

  • 已知工作记忆对时间变化很敏感.
  • 了解时机如何影响认知任务对于认知科学至关重要.

研究的目的:

  • 研究刺激呈现时间的隐性变化对视觉空间工作记忆性能的影响.
  • 为了引入和利用一个新的任务",时间方块序列",为这项研究.

主要方法:

  • 50名健康参与者完成了一项视觉空间工作记忆任务,涉及7个白色正方形的两个序列 (S1和S2).
  • 四个实验条件操纵了S1和S2中的正方形的空间位置和呈现时间 (固定或可变).

主要成果:

  • 当第一个序列 (S1) 具有固定的呈现时间,而第二个序列 (S2) 具有可变的呈现时间时,性能会受到损害.
  • 这表明,顺序刺激之间的时间不一致会对任务准确性产生负面影响.

结论:

  • 观察到的性能下降归因于增加的认知负载.
  • 这突出了监控过程的作用,该过程对工作记忆中的时间变化敏感.