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相关概念视频

High-Level and Low-Level Awareness01:19

High-Level and Low-Level Awareness

265
Controlled processes in human consciousness represent high-alert mental states where individuals deliberately focus their attention on achieving specific goals. Controlled processes can be seen in situations like mastering new technology, where a person might become so absorbed that they ignore surrounding distractions. Such processes involve selective attention, requiring one to concentrate on particular elements of experience while disregarding others. These are governed by executive...
265

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相关实验视频

Updated: Jun 28, 2025

RBDT: A Computerized Task System based in Transposition for the Continuous Analysis of Relational Behavior Dynamics in Humans
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在多任务环境中任务准备的动态变化:任务转换范式.

Mengqiao Chai1, Clay B Holroyd1, Marcel Brass2

  • 1Department of Experimental Psychology, Ghent University, Henri Dunantlaan 2, 9000 Ghent, Belgium.

Cognition
|April 10, 2024
PubMed
概括
此摘要是机器生成的。

人类可以调整他们的任务准备和决策,当面对任务的不确定性. 这种灵活性允许对认知过程进行动态调制,特别是在预测任务切换时.

关键词:
认知灵活性 认知灵活性控制动态的控制动态任务准备 任务准备任务切换 任务切换不确定性 不确定性

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Transferring Cognitive Tasks Between Brain Imaging Modalities: Implications for Task Design and Results Interpretation in fMRI Studies
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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.
  • 人类行为人类行为.

背景情况:

  • 灵活的行为需要预测和准备任务或行动的变化.
  • 了解在不确定性下认知准备的动态调节至关重要.

研究的目的:

  • 调查人类是否可以在任务身份不确定时动态调整任务准备和决策.
  • 探索任务不确定性如何影响认知控制和准备策略.

主要方法:

  • 开发了一个新的范式,要求参与者为九个任务中的一个做好准备.
  • 引入的任务在提示-目标间隔后转移,改变刺激类别或分类规则.
  • 进行实验来分析行为调制和预期效应.

主要成果:

  • 参与者动态调节任务准备,以应对任务不确定性.
  • 行为变化与更长的交换期望有关,而不仅仅是任务期望的减少.
  • 动态调制是组成性的,独立地适应刺激类别或分类规则的变化.

结论:

  • 人类的认知系统在不确定性下在任务准备和决策方面表现出动态的灵活性.
  • 预期任务切换,而不是仅仅是预期衰退,驱动这些适应性行为.
  • 认知控制机制可以在组成上适应任务变化的特定组件.