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相关概念视频

Lateralization01:28

Lateralization

335
Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
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Vision01:24

Vision

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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.
53.4K
Cerebral Hemispheres01:05

Cerebral Hemispheres

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The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...
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相关实验视频

Updated: Jul 4, 2025

Central and Divided Visual Field Presentation of Emotional Images to Measure Hemispheric Differences in Motivated Attention
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Central and Divided Visual Field Presentation of Emotional Images to Measure Hemispheric Differences in Motivated Attention

Published on: November 16, 2017

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反侧延迟活动和α横向化反映了视觉记忆中的视网膜和以屏幕为中心的参考框架.

Wanja A Mössing1, Svea C Y Schroeder1, Anna Lena Biel1

  • 1Institute of Psychology, University of Münster, Germany; Otto-Creutzfeldt-Center for Cognitive and Behavioral Neuroscience, University of Münster, Germany.

Progress in neurobiology
|February 3, 2024
PubMed
概括
此摘要是机器生成的。

视觉短期记忆 (VSTM) 使用视网膜坐标保持对象位置,不受眼睛运动的影响. 冲击后的大脑活动表明注意力,而不是记忆力,是视网管的.

关键词:
容量 容量 容量 容量这是一个EEGEEGEEGEEGEEGEEGEEG.眼睛的运动 眼睛的运动重制地图是重新绘制地图.视觉短期记忆 视觉短期记忆

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Evaluation of Hemisphere Lateralization with Bilateral Local Field Potential Recording in Secondary Motor Cortex of Mice
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Evaluation of Hemisphere Lateralization with Bilateral Local Field Potential Recording in Secondary Motor Cortex of Mice

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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

352

相关实验视频

Last Updated: Jul 4, 2025

Central and Divided Visual Field Presentation of Emotional Images to Measure Hemispheric Differences in Motivated Attention
05:36

Central and Divided Visual Field Presentation of Emotional Images to Measure Hemispheric Differences in Motivated Attention

Published on: November 16, 2017

7.5K
Evaluation of Hemisphere Lateralization with Bilateral Local Field Potential Recording in Secondary Motor Cortex of Mice
07:03

Evaluation of Hemisphere Lateralization with Bilateral Local Field Potential Recording in Secondary Motor Cortex of Mice

Published on: July 31, 2019

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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

352

科学领域:

  • 神经科学是一个神经科学.
  • 认知心理学 认知心理学
  • 视觉感知 视觉感知 视觉感知

背景情况:

  • 大脑处理视觉信息与左侧半球对左侧和右侧视觉场.
  • 视觉短期记忆 (VSTM) 通过对侧延迟活动 (CDA) 和α频段活动显示横向化.
  • 对VSTM对象位置的参考框架 (以视线为中心与以屏幕为中心) 进行了辩论,特别是在眼睛运动后.

研究的目的:

  • 为了调查VSTM是否代表物体位置在视网管或空间管坐标后saccades.
  • 为了在VSTM维护期间区分CDA和alpha带活动所使用的参考框架.

主要方法:

  • 两项实验涉及参与者对物体颜色进行编码,并在记忆维护过程中执行横向冲刺.
  • 变更检测任务评估了对象位置的存储器在saccades之后.
  • 记录了包括CDA和α频段横向化在内的电生理学测量.

主要成果:

  • CDA 始终显示向物体的原始视网膜位置的横向化,不管分支.
  • 阿尔法频段横向化转移到屏幕中部后saccade,即使在非记忆任务.
  • CDA极性没有逆转,尽管萨卡德移动视网膜位置.

结论:

  • 正如CDA所证实的那样,VSTM保持对象位置在视网膜类参考框架中.
  • 萨卡德后的阿尔法带横向化反映了注意力转移,而不是VSTM内容.
  • 这些发现澄清了VSTM在动态视觉处理过程中使用的参考框架.