相关实验视频
Updated: May 4, 2026

09:44
Methods to Test Visual Attention Online
Published on: February 19, 2015
11.8K
在健康成年人中对主观视觉和触觉垂直规范的临床评估
Charlotte van der Waal1,2, Wim Saeys1,2,3, Steven Truijen1,2
1Department of Rehabilitation Sciences and Physiotherapy, Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium.
概括
本研究提供了使用可访问工具对主观视觉垂直 (SVV) 和主观触觉垂直 (SHV) 感知的规范性数据. 这些发现有助于在成年人中区分正常与异常的垂直感知.
科学领域:
- 神经科学是一个神经科学.
- 感知科学 感知科学 感知科学
- 人类因素 人类因素
背景情况:
- 准确的垂直感知对于日常任务至关重要.
- 评估主观视觉垂直 (SVV) 和主观触觉垂直 (SHV) 的现有方法可能是复杂和昂贵的.
- 这些感官的规范性数据对于临床和研究应用至关重要.
研究的目的:
- 通过便携式,可自行构建的测试,建立SVV和SHV的规范数据.
- 评估年龄,性别和起始位置对SVV和SHV精度的影响.
- 为评估垂直感知提供可靠的基准.
主要方法:
- 使用SVV的修改后的桶测试和SHV的旋转柱测试.
- 招募健康成年人 (N=60) 没有视觉,神经或前置系统疾病.
- 使用常量误差,未签名误差和可变性来测量SVV和SHV的准确性.
主要成果:
- 确定的SVV正常范围 (恒定误差: -2.82°至2.90°;无标记误差:高达2.15°;可变性:高达1.61°).
- 已确立的SHV正常范围 (常量误差: -6.94°至8.18°;无标记误差:高达6.66°;可变性:高达4.25°).
- 确定年龄,性别和起始位置作为影响SVV和SHV精度的因素.
结论:
- 为可负担和便携的SVV和SHV评估工具提供了规范性数据.
- 既定的规范与更复杂的设备的发现保持一致.
- 这些数据有助于区分正常与异常的垂直感知.
相关概念视频
Photoreceptors and Visual Pathways
8.5K
At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
8.5K
Pharmacodynamics in Geriatric Patients: Effects of Age
367
Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
367

