Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Working Memory01:24

Working Memory

138
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...
138
Encoding01:19

Encoding

134
Information enters the brain through encoding, which is the input of information into the memory system. Once sensory information is received from the environment, the brain labels or codes it. The information is then organized with similar information and connected to existing concepts. Encoding occurs through automatic processing and effortful processing.
Automatic processing involves the encoding of details like time, space, frequency, and the meaning of words, usually done without conscious...
134
Vision01:24

Vision

53.0K
Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
53.0K
Chunking and Rehearsal in Sensory Memory01:22

Chunking and Rehearsal in Sensory Memory

173
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...
173

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

The Deese/Roediger-McDermott (DRM) illusion in short-term memory: Opposite effects of retention interval on true and false recognition.

Memory & cognition·2026
Same author

Multitarget Visual Search Flexibly Switches Between Concurrent and Sequential Search Modes.

Psychological science·2026
Same author

The act of detecting a stimulus contaminates measures of conscious experience with decision biases.

Nature communications·2026
Same author

Endogenous Theta as a Function of Task Load and Working Memory Capacity: Revisiting the Role of Slower Frequencies in Theta-Gamma Coupling.

Journal of cognitive neuroscience·2026
Same author

Phasic and tonic arousal distinctly shape human decision bias.

Communications biology·2026
Same author

Reflexive attention can be driven by monocular cues without conscious access to eye of origin information.

Experimental brain research·2026
Same journal

What's in a Mean? Comparing Interbeat Interval Averaging Methods Across Variability Levels and Window Lengths.

Psychophysiology·2026
Same journal

Model-Free and Model-Based Learning in Human Fear Conditioning.

Psychophysiology·2026
Same journal

Examining the Impact of Acute Exercise and Arousal Reappraisal on Stressor-Evoked Psychological and Cardiovascular Responses.

Psychophysiology·2026
Same journal

Respiratory Sinus Arrhythmia and Hierarchical Dimensions of Psychopathology.

Psychophysiology·2026
Same journal

Probing Prediction-Related Processes in Language Using an EEG Word Stem Completion Paradigm.

Psychophysiology·2026
Same journal

sBOSC: A Method for Source-Level Identification of Neural Oscillations in Electromagnetic Brain Signals.

Psychophysiology·2026
查看所有相关文章

相关实验视频

Updated: Jun 10, 2025

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
07:12

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

303

在视觉空间工作内存中解码负载或选择?

Miriam Tortajada1, Johannes J Fahrenfort2, Alejandro Sandoval-Lentisco1

  • 1Departamento de Psicología Básica y Metodología, Facultad de Psicología, Universidad de Murcia, Murcia, Spain.

Psychophysiology
|October 14, 2024
PubMed
概括
此摘要是机器生成的。

在视觉工作内存 (VWM) 中更新信息需要时间. 研究表明,完全利用反射线需要大约半秒钟,使用EEG解码VWM负载需要仔细考虑混因素.

关键词:
注意力选择注意力选择电脑脑电图 (EEG) 是一种电脑电图.多变量模式分析多变量模式分析视觉工作记忆 视觉工作记忆工作记忆负载工作记忆负载.

更多相关视频

Automated Visual Cognitive Tasks for Recording Neural Activity Using a Floor Projection Maze
11:15

Automated Visual Cognitive Tasks for Recording Neural Activity Using a Floor Projection Maze

Published on: February 20, 2014

13.1K
Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)
09:05

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

Published on: June 12, 2017

29.6K

相关实验视频

Last Updated: Jun 10, 2025

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
07:12

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

303
Automated Visual Cognitive Tasks for Recording Neural Activity Using a Floor Projection Maze
11:15

Automated Visual Cognitive Tasks for Recording Neural Activity Using a Floor Projection Maze

Published on: February 20, 2014

13.1K
Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)
09:05

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

Published on: June 12, 2017

29.6K

科学领域:

  • 认知神经科学 认知神经科学
  • 心理学 心理学 心理学

背景情况:

  • 由于视觉工作记忆 (VWM) 的容量有限,因此灵活更新视觉工作记忆 (VWM) 中的信息至关重要.
  • 之前的研究表明,从VWM中删除不相关信息是一个耗时的过程.

研究的目的:

  • 调查从VWM中删除信息的时间动态.
  • 通过行为和神经生理学的措施来追踪认知负载的减少.
  • 检查多变量模式分析 (MVPA) 在解码VWM负载时的有效性.

主要方法:

  • 参与者执行了一个视觉空间回应任务,使用操纵的线索-目标间隔 (CTI).
  • 对行为表现进行了评估,以确定反射提示利用的时间进程.
  • 通过使用MVPA收集和分析EEG数据来解码VWM负载.

主要成果:

  • 行为数据表明,大约需要500毫秒才能充分受益于反复提示.
  • MVPA在编码后不久成功解码了VWM负载,复制了之前的发现.
  • 在追溯后,MVPA分类器似乎对注意力选择比对VWM负载本身更敏感.
  • 像视觉暗示变化和眼睛运动等潜在的混被确定为影响解码精度.

结论:

  • 在VWM中更新信息的过程,特别是删除不相关项目的过程,大约需要半秒钟.
  • 建议在使用MVPA来解码VWM负载时谨慎使用,因为分类器可能会无意中捕获选择过程或其他混的神经/行为信号.
  • 未来的研究应该仔细控制诸如视觉刺激特征和眼运动活动等因素,当使用MVPA推断VWM负载时.