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相关概念视频

Working Memory01:24

Working Memory

84
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...
84
Chunking and Rehearsal in Sensory Memory01:22

Chunking and Rehearsal in Sensory Memory

108
Improving short-term memory can be achieved through techniques like chunking and rehearsal. Chunking involves organizing information into larger, more manageable units. This technique is particularly useful for information that exceeds the typical memory span of between five and nine items. For instance, logging into an online account with a password like "ta89vq0179gz" involves grouping letters and numbers into three chunks—ta89, vq01, and 79gz. It makes large amounts of...
108
Forgetting01:21

Forgetting

32
Forgetting is an intrinsic aspect of human memory, characterized by the gradual loss or inaccessibility of information over time. Hermann Ebbinghaus, a pioneering psychologist, extensively studied this phenomenon and formulated the forgetting curve. This curve illustrates that memory loss occurs rapidly immediately after learning and then decelerates over time. Several mechanisms contribute to forgetting, including encoding failure, storage decay, retrieval failure, and interference.
Encoding...
32
Interference and Decay01:16

Interference and Decay

68
Forgetting is a complex cognitive phenomenon influenced by several factors, among which interference and decay are particularly prominent. These processes explain why individuals often struggle to retrieve specific information from memory, leading to lapses in recall that can be observed in everyday situations.
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
68
Chunking01:12

Chunking

32
Chunking is a powerful cognitive technique that improves short-term memory retention by organizing information into smaller, more manageable units. The brain, limited by working memory capacity, can more easily process and store information when it is divided into "chunks" rather than presented as discrete, unrelated elements. Chunking is especially useful when dealing with large amounts of information, such as numerical sequences, words, or complex ideas.
The principle behind chunking...
32
Information Processing Approach01:30

Information Processing Approach

14
The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is...
14

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相关实验视频

Updated: May 3, 2026

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
10:38

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

Published on: July 16, 2015

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多项工作内存访问的限制:性能成本和检索动态.

Chen Tiferet-Dweck1,2, Abigail Keegan1, Kerstin Unger1,2

  • 1Department of Psychology, Queens College, City University of New York, New York, NY, United States.

Frontiers in psychology
|April 24, 2025
PubMed
概括

从工作内存 (WM) 检索多个项目并不是免费的. 这项研究表明,多项访问比单项访问更慢,更不准确,挑战了有效并行检索的理论.

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:

  • 工作记忆 (WM) 对目标导向行为至关重要.
  • 单项WM访问的机制已知,但多项访问的理解较少.
  • 之前的研究讨论了双项查找是否与单项访问一样有效.

研究的目的:

  • 调查多项工作记忆检索的效率.
  • 为了确定多项访问是否反映了抑制或并行处理的减少.
  • 为了澄清从工作记忆中访问多个项目的限制.

主要方法:

  • 实验1:在WM任务前后操作相关与无关的项目.
  • 实验2a和2b:使用了修改后的双访问范式,具有对象重复的好处和控制条件.
  • 在不同的WM负载条件下评估检索速度和准确性.

主要成果:

  • 从三个项目中选择两个是比选择一个项目更慢,更不准确.
  • 对象重复的好处是附加的,而不是过度附加的,这表明并行或串行检索有限.
  • 这些发现反对减少抑制需求作为多项物品检索效率的基础.

结论:

关键词:
多项工作内存访问访问多项工作内存.输出门的关闭 输出门的关闭平行与串行工作内存检索退役军人 退役军人是什么意思工作记忆 工作记忆

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Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children &#8211; Working Memory (CABC-WM)
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Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)

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Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment
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Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment

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相关实验视频

Last Updated: May 3, 2026

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
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Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children &#8211; Working Memory (CABC-WM)
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  • 多项工作内存检索受限,不完全并行或免费.
  • 这些发现对理解复杂的认知任务,如语言理解和解决问题的理解有影响.
  • 对多个项目的工作记忆访问受到限制,影响认知表现.