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相关概念视频

High-Level and Low-Level Awareness01:19

High-Level and Low-Level Awareness

267
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...
267
Decision Making01:20

Decision Making

109
Decision-making is a fundamental cognitive process that involves evaluating alternatives and selecting among them. This process can range from simple choices, such as deciding what to wear, to complex decisions, like choosing a major in college or a career path. The complexity of the decision often dictates the approach we use, which can be broadly categorized into two types: automatic and controlled decision-making.
Automatic decision-making is fast, intuitive, and relies on gut feelings...
109
Reason and Intuition01:37

Reason and Intuition

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The human brain processes information for decision-making using one of two routes: an intuitive system and a rational system (Epstein, 1994; popularized by Kahneman, 2011 as System 1 and System 2, respectively). The intuitive system is quick, impulsive, and operates with minimal effort, relying on emotions or habits to provide cues for what to do next, while the rational system is logical, analytical, deliberate, and methodical. Research in neuropsychology suggests that the...
6.4K
Working Memory01:24

Working Memory

165
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...
165

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相关实验视频

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A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
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双重任务干扰:瓶制约或能力共享? 来自自动和受控过程的证据.

Yanwen Wu1, Qiangqiang Wang2

  • 1School of Teacher Education, Tianshui Normal University, Tianshui, China.

Attention, perception & psychophysics
|February 28, 2024
PubMed
概括

双重任务干扰源于有限的认知资源,而不是处理瓶. 当任务相互竞争时,两项任务的性能都会下降,这凸显了在双任务处理中研究资源配置的必要性.

科学领域:

  • 认知心理学 认知心理学
  • 人类信息处理是人类信息的处理.

背景情况:

  • 双任务干扰是一种常见的现象,即同时执行两个任务会损害性能.
  • 现有的理论提出瓶限制或共享资源耗尽是这种干扰的原因.

研究的目的:

  • 调查是否双重任务干扰是由于处理瓶或有限的认知资源造成的.
  • 检查自动处理与控制处理在双任务干扰中的作用.

主要方法:

  • 通过听觉 (音调区分) 和视觉 (词/伪词分类) 任务进行了两项实验.
  • 任务顺序和刺激类型 (词与伪词) 在实验中被操纵.
  • 刺激开始异步 (SOA) 变化以评估处理重叠.

主要成果:

  • 无论任务类型或顺序,都始终观察到双重任务干扰.
  • 自动处理任务并没有消除干扰.
  • 在这两项任务中的表现下降都表明了对共享认知资源的竞争.

结论:

  • 有限的认知资源,而不是处理瓶,更好地解释了双重任务成本.
  • 资源共享导致对竞争任务的处理效率大幅下降.
关键词:
认知资源是一种认知资源.双重任务处理的处理.心理耐火期是一个心理耐火期.响应选择 响应选择

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  • 未来的研究应该集中在任务之间的认知资源的动态分配上.