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相关概念视频

Equilibrium and Balance01:15

Equilibrium and Balance

4.7K
The inner ear assumes dual functionalities of auditory perception and equilibrium maintenance. The vestibule is the organ responsible for balance. This organ contains mechanoreceptors, specifically hair cells, endowed with stereocilia, which aid in deciphering information regarding the position and motion of our heads. Two intrinsic components, the utricle and saccule, help perceive head position, while the semicircular canals track head movement. Neurological messages initiated in the...
4.7K
The Vestibular System01:29

The Vestibular System

39.5K
The vestibular system is a set of inner ear structures that provide a sense of balance and spatial orientation. This system is comprised of structures within the labyrinth of the inner ear, including the cochlea and two otolith organs—the utricle and saccule. The labyrinth also contains three semicircular canals—superior, posterior, and horizontal—that are oriented on different planes.
39.5K

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相关实验视频

Updated: Jun 28, 2025

Three Dimensional Vestibular Ocular Reflex Testing Using a Six Degrees of Freedom Motion Platform
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Three Dimensional Vestibular Ocular Reflex Testing Using a Six Degrees of Freedom Motion Platform

Published on: May 23, 2013

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视觉的拟议机制:脑震荡后患者从视觉输入中获得更高的视觉输入到皮质下视力稳定.

Davide Frattini1, Niklas Rosén1, Tobias Wibble1

  • 1Department of Clinical Neuroscience, Division of Eye and Vision, Marianne Bernadotte Centrum, St. Erik Eye Hospital, Karolinska Institutet, Stockholm, Sweden.

Investigative ophthalmology & visual science
|April 12, 2024
PubMed
概括

脑震荡后综合征 (PCS) 改变了视线稳定,脑震荡患者表现出视觉运动处理的提高. 这表明影响视觉通路的扩散损伤,解释了运动敏感性和.

科学领域:

  • 神经科学是一个神经科学.
  • 眼科医生 眼科 眼科
  • 垂体科学 垂体科学

背景情况:

  • 脑震荡后综合征 (PCS) 通常涉及头和视觉运动敏感性.
  • 了解改变运动处理对于PCS诊断和治疗至关重要.
  • 目前的研究缺乏了解PCS中皮下损伤机制的洞察力.

研究的目的:

  • 通过测量凝视稳定来研究PCS中改变的运动处理.
  • 确定影响运动集成的PCS中的潜在损伤机制.
  • 探索皮层下对视力稳定缺陷的贡献 在PCS中.

主要方法:

  • 病例控制研究分析了10名PCS患者和9名对照者的554次眼动.
  • 在视觉,前庭和视觉前庭刺激期间使用眼睛跟踪记录了光动力学和前庭眼镜反射.
  • 分析了扭曲和垂直的眼睛运动,以缓慢相速,增益和阴影频率.

主要成果:

  • 视觉前体刺激引起了最快的慢相速度,而视觉刺激是最慢的.
  • 患有PCS的患者表现出增加的视觉效益,更快的缓慢阶段,以及更早的阴影节拍.
  • 在PCS患者中观察到对视力稳定具有较高的相对视觉影响.

更多相关视频

Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction
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Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction

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Assessment of Static Graviceptive Perception in the Roll-Plane using the Subjective Visual Vertical Paradigm
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Assessment of Static Graviceptive Perception in the Roll-Plane using the Subjective Visual Vertical Paradigm

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相关实验视频

Last Updated: Jun 28, 2025

Three Dimensional Vestibular Ocular Reflex Testing Using a Six Degrees of Freedom Motion Platform
10:12

Three Dimensional Vestibular Ocular Reflex Testing Using a Six Degrees of Freedom Motion Platform

Published on: May 23, 2013

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Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction
05:02

Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction

Published on: August 30, 2019

7.2K
Assessment of Static Graviceptive Perception in the Roll-Plane using the Subjective Visual Vertical Paradigm
06:30

Assessment of Static Graviceptive Perception in the Roll-Plane using the Subjective Visual Vertical Paradigm

Published on: April 28, 2020

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结论:

  • 在PCS中增强的视觉运动响应性表明皮层下路径发生了改变.
  • 研究结果表明,光动力学抑制途径可能存在扩散性损伤.
  • 在PCS中提供了运动敏感性和视觉的神经基础.