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相关概念视频

Equilibrium and Balance01:15

Equilibrium and Balance

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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...
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Assessment of Static Graviceptive Perception in the Roll-Plane using the Subjective Visual Vertical Paradigm
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视觉诱导的垂直合作为一种与姿势不稳定性相关的运动处理生物标志物.

Maiar Sukkar1, Amirehsan Khatirnamani1, Tobias Wibble1

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

Neuroscience
|July 25, 2024
PubMed
概括

视觉诱导的垂直融合 (VIVV) 是一种非特定的运动处理反应. 这种眼动生物标志物与瞳孔大小和身体摆动相关,表明压力和姿势不稳定.

科学领域:

  • 神经科学是一个神经科学.
  • 眼科医生 眼科 眼科
  • 人体生理学 人体生理学

背景情况:

  • 视觉诱导的垂直融合 (VIVV) 被探索为运动处理的潜在非特异性指标.
  • 了解VIVV在对光运动刺激的反应中的作用,对于解释视觉运动集成至关重要.
  • 以前的研究还没有完全阐明VIVV与其他生理反应 (如瞳孔大小和姿势摆动) 的相关性.

研究的目的:

  • 研究视觉诱导垂直变 (VIVV) 作为对不同运动维度的光动力学刺激的反应.
  • 分析VIVV,瞳孔大小变化和光动力学刺激期间的姿势摆动之间的相关性.
  • 确定VIVV是否可以作为视觉运动处理,姿势不稳定和压力的生物标志物.

主要方法:

  • 健康的参与者使用虚拟现实耳机接触到光动力学刺激 (yaw,pitch,roll,辐射光流).
  • 测量包括视觉诱导的垂直 (VIVV),瞳孔大小和姿势摇摆.
  • 数据分析涉及VIVV振幅的正常化,并将它们与瞳孔大小和身体摆动的变化相关联.

主要成果:

  • 光运动刺激成功诱导了VIVV,在横向,斜率和辐射光流条件中观察到显著的反应.
  • VIVV的大小显示出与瞳孔大小和身体摆动的同时变化存在普遍相关性.
关键词:
背光反射是一种背光反射.眼睛追踪器可以追踪眼睛.动作处理 动作处理在 Vergence 的位置上.视觉 - 垂体 - 垂体

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  • 所有测量参数 (VIVV,瞳孔大小,身体摇摆) 都受到光动力学刺激方向变化的影响.

    • 结论:

    • 视觉诱导的垂直融合 (VIVV) 在所有测试的视觉运动维度中表达,支持其作为视觉运动处理生物标志物的作用.
    • VIVV与增加的姿势不稳定性和生理压力有关,可能与背光反射类似.
    • 这些发现表明,VIVV可以成为身体对视觉运动反应的有价值指标,即使没有直接的双眼接触.