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相关概念视频

Visualizing Visual Adaptation04:43

Visualizing Visual Adaptation

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This article describes a novel method for simulating and studying adaptation in the visual...
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Multifocal Electroretinograms16:49

Multifocal Electroretinograms

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The development of the multifocal electroretinogram (mfERG) is an important advance in the diagnosis and characterization of retinopathy. Multifocal electroretinograms are a mathematical average of an approximation of a b-wave. Software programs can derive ERGs from more than a hundred retinal areas in a few minutes per eye. Scotomas and retinal dysfunction can be mapped and...
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Recording of Electroretinogram and Visual Evoked Potential in a Rat02:20

Recording of Electroretinogram and Visual Evoked Potential in a Rat

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This video demonstrates how to record electroretinogram (ERG) and visual evoked potential (VEP) in a conscious rat. The rat, with surgically implanted electrodes, is first dark-adapted. After applying dilating drops, the animal is placed in a restrainer and positioned in a Ganzfeld bowl. The ERG and VEP signals are then...
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Using a Split-belt Treadmill to Evaluate Generalization of Human Locomotor Adaptation08:04

Using a Split-belt Treadmill to Evaluate Generalization of Human Locomotor Adaptation

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We describe a protocol for investigating human locomotor adaptation using the split-belt treadmill, which has two belts that can drive each leg at a different speed. We specifically focus on a paradigm designed to test the generalization of adapted locomotor patterns to different walking contexts (e.g., gait speeds, walking environments).
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Electroretinogram Recording for Infants and Children under Anesthesia to Achieve Optimal Dark Adaptation and International Standards08:38

Electroretinogram Recording for Infants and Children under Anesthesia to Achieve Optimal Dark Adaptation and International Standards

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Adhering to international standards and maintaining retinal dark adaptation are critical to acquire valid full-field electroretinogram responses in the diagnosis and management of inherited retinal diseases. A practical protocol using a portable darkroom is provided to obtain full-field electroretinogram for infants and children under sedation or general anesthesia in the operating room...
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Direct-Coupled Electroretinogram (DC-ERG) for Recording the Light-Evoked Electrical Responses of the Mouse Retinal Pigment Epithelium09:10

Direct-Coupled Electroretinogram (DC-ERG) for Recording the Light-Evoked Electrical Responses of the Mouse Retinal Pigment Epithelium

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Here, we present a method for recording light-evoked electrical responses of the retinal pigment epithelium (RPE) in mice using a technique known as DC-ERGs first described by Marmorstein, Peachey, and colleagues in the early...
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相关实验视频

Updated: Jan 20, 2026

Visualizing Visual Adaptation
04:43

Visualizing Visual Adaptation

Published on: April 24, 2017

9.6K

技术说明:使用通用添加模型可视化光适应电网红图的轮图.

Marek Brabec1,2, Lynne Loh3, Irene O Lee4

  • 1Institute of Computer Science of the Czech Academy of Sciences, Pod Vodarenskou Vezi 2, 182 00, Prague 8, Czech Republic.

Documenta ophthalmologica. Advances in ophthalmology
|January 18, 2026
PubMed
概括
此摘要是机器生成的。

这项研究引入了一种新的轮图法,用于在自闭症谱系障碍 (ASD) 中可视化电网红图 (ERG) 幅度配置文件. 该方法揭示了与对照人群相比,ASD患者的b波幅降低.

关键词:
一个电网红图 (Electroretinogram) 是一个电网红图.响应系列 响应系列表面的表面表面的表面张量线是张量线的组成部分.

更多相关视频

Multifocal Electroretinograms
16:49

Multifocal Electroretinograms

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Recording of Electroretinogram and Visual Evoked Potential in a Rat
02:20

Recording of Electroretinogram and Visual Evoked Potential in a Rat

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相关实验视频

Last Updated: Jan 20, 2026

Visualizing Visual Adaptation
04:43

Visualizing Visual Adaptation

Published on: April 24, 2017

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Multifocal Electroretinograms
16:49

Multifocal Electroretinograms

Published on: December 4, 2011

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Recording of Electroretinogram and Visual Evoked Potential in a Rat
02:20

Recording of Electroretinogram and Visual Evoked Potential in a Rat

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科学领域:

  • 眼科医生 眼科 眼科
  • 神经科学是一个神经科学.
  • 生物医学工程 生物医学工程

背景情况:

  • 电网膜图 (ERG) 对于评估视网膜功能至关重要.
  • 自闭症谱系障碍 (ASD) 与视觉处理差异有关.
  • 标准ERG分析可能无法完全捕捉复杂的波形变化.

研究的目的:

  • 介绍一种用于可视化光适应ERG振幅配置的新方法.
  • 使用轮图分析一系列闪电强度的ERG响应.
  • 为了比较患有自闭症的个体与典型的发展对照者之间的ERG振幅概况.

主要方法:

  • 利用了88名自闭症患者和70名对照者的光适应ERG数据集.
  • 应用了一个通用增量模型 (GAM) 与张量积线来分析波形间隔.
  • 分析了10个闪光强度 (12-446 Td.s),专注于基线,a波和b波上升四肢.

主要成果:

  • 轮图显示了ASD组b波的上升肢体中降低幅度的模式.
  • 来自GAM模型的代表性响应说明了跨闪光强度的ERG波形形状变化.
  • 衍生出来的z-score轮图提供了对平均振幅差异的定性评估,主要是在b-wave.

结论:

  • 轮图提供了一个额外的方法来分析刺激-反应数据序列,使用最小的假设.
  • 基于GAM的方法使得随着时间的推移和闪光强度的振幅变化可以同时调查.
  • 这种可视化技术可以支持ERG数据的临床应用和理论研究.