功能性头作为空间认知功能障碍
Hayo A Breinbauer1,2, Camilo Arévalo-Romero1, Karen Villarroel1
1Laboratory for Clinical Neuro-Otology and Balance-Neuroscience, Department of Neuroscience, Facultad de Medicina, Universidad de Chile, Santiago 8331150, Chile.
Brain sciences
|January 22, 2024
概括
持续的姿势感知性头 (PPPD) 显著影响空间导航和认知功能. 这表明,被破坏的空间认知可能是PPPD病理生理学的关键因素.
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
- 耳鼻喉科 耳鼻喉科 耳鼻喉科
背景情况:
- 持续的姿势感知性头 (PPPD) 是一种常见的慢性头状况,原因不明.
- 空间认知障碍被假设为PPPD的核心特征.
- 了解PPPD的病理生理学对于有效治疗至关重要.
研究的目的:
- 研究空间认知在持久性姿势感知性头 (PPPD) 中的作用.
- 为了比较PPPD患者的认知和前庭功能与健康对照组和其他前庭障碍患者.
- 为了确定潜在的病理生理机制背后的PPPPD.
主要方法:
- 对19名PPPD患者进行了心理认知测试,包括用于空间导航的虚拟莫里斯水迷宫.
- 参与者还接受了焦虑,抑郁,记忆,注意力,计划和执行功能的评估.
- 对照组包括12名健康对照组和20名患有其他前体疾病的患者;前体功能和脑MRI也被评估.
主要成果:
- PPPD患者在非中心空间导航和视觉空间认知任务 (伦敦塔楼,步道制作B) 中表现出显著的缺陷.
- 因子分析确定空间导航和先进的视觉空间功能是PPPD的核心,与症状严重程度相关.
- 通过MRI没有发现混性病理,并使用前庭功能测试进行比较.
结论:
- 持续的姿势感知性头 (PPPD) 似乎广泛影响更高的认知功能,特别是空间认知.
- 形成详细的认知空间地图的中断被认为是PPPD的潜在原因.
- 这些发现强调了认知评估在PPPD诊断和管理中的重要性.
相关概念视频
01:15Equilibrium 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
01:29The Vestibular System
39.6K
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.
39.6K
01:15Depth Perception and Spatial Vision
657
Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
657
01:12Visual Agnosia
203
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...
203