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相关概念视频

Visual Agnosia01:12

Visual Agnosia

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Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round...
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Working Memory01:24

Working Memory

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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...
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Chunking and Rehearsal in Sensory Memory01:22

Chunking and Rehearsal in Sensory Memory

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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...
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Perceptual Constancy01:12

Perceptual Constancy

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Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
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Prosopagnosia01:24

Prosopagnosia

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Prosopagnosia, also known as face blindness, is the inability to recognize faces. In severe cases, individuals with prosopagnosia may not recognize close family members, including parents and spouses, by their faces. For instance, someone with prosopagnosia might walk past their child in a crowd, only realizing their mistake upon noticing their child's distinctive backpack or favorite jacket. Prosopagnosia specifically impairs facial recognition, while the recognition of other objects or...
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Impact of Schemas01:30

Impact of Schemas

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Schemas are cognitive structures that provide a framework for interpreting and organizing social information. They help individuals navigate complex environments by offering expectations about people, events, and behaviors. Schemas influence attention, encoding, and retrieval processes, thereby shaping the entire trajectory of information processing in social contexts.Attention and Cognitive LoadDuring initial attention, schemas function as filters that prioritize schema-consistent information,...
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相关实验视频

Updated: Jan 7, 2026

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
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Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

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抓取类型会影响视觉工作记忆中的配置编码.

Shinhae Ahn1, Richard A Abrams2

  • 1Department of Psychological and Brain Sciences, Washington University, St. Louis, USA. a.shinhae@wustl.edu.

Experimental brain research
|December 27, 2025
PubMed
概括
此摘要是机器生成的。

掌握行动影响我们如何处理视觉信息. 精确抓取比功率抓取更能提高视觉工作记忆 (VWM) 中配置形状信息的使用.

关键词:
变更检测检测改变的检测.配置形状的形状处理.握手是为了握手.视觉工作记忆 视觉工作记忆

更多相关视频

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

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Frame-by-Frame Video Analysis of Idiosyncratic Reach-to-Grasp Movements in Humans
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Frame-by-Frame Video Analysis of Idiosyncratic Reach-to-Grasp Movements in Humans

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相关实验视频

Last Updated: Jan 7, 2026

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
07:08

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Published on: August 1, 2018

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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

824
Frame-by-Frame Video Analysis of Idiosyncratic Reach-to-Grasp Movements in Humans
10:51

Frame-by-Frame Video Analysis of Idiosyncratic Reach-to-Grasp Movements in Humans

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8.8K

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.
  • 人与计算机的交互

背景情况:

  • 抓取行动会影响简单的视觉特征处理.
  • 抓住更高层次的视觉信息的影响,比如配置形状,还不太清楚.

研究的目的:

  • 调查不同的抓取类型如何影响视觉工作记忆 (VWM) 中的配置形状信息的处理.

主要方法:

  • 参与者在执行功率或精密抓取时执行了VWM变化检测任务.
  • 配置形状信息的可用性被操纵.
  • 实验2控制了任务需求和刺激的出现.

主要成果:

  • 配置形状信息改善了变化检测性能.
  • 精确抓取显示,与动力抓取相比,从配置形状信息中获得的益处更大.
  • 研究结果在各种任务要求下被复制.

结论:

  • 抓取类型调节了VWM中配置形状信息的处理.
  • 不同的抓取动作会影响配置形状细节的编码和维护.