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相关概念视频

UV–Vis Spectrometers01:14

UV–Vis Spectrometers

The absorbance of UV and visible (UV–visible) radiations is measured using a UV–visible spectrophotometer. Deuterium lamps, which emit UV radiation, and tungsten lamps, which produce radiation in the visible region, are used as light sources in UV–visible spectrophotometers. A monochromator or prism is used for diffraction grating, i.e., to split the incoming radiation into different wavelengths. A system of slits is used to focus the desired wavelength on the sample cell. Samples for...
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Electronic Distance Measuring Instruments

Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over short distances...

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使用便携式仪器在应用环境中测量瞳孔光反射.

Nicola S Gray1,2, Menna Price1, Jennifer Pink1

  • 1Department of Psychology, Swansea University, Swansea SA2 8PP, UK.

Vision (Basel, Switzerland)
|October 25, 2024
PubMed
概括

便携式瞳孔测量器件可靠地测量在现场设置中的瞳孔光反射 (PLR). 这些工具可以评估副交感神经系统的健康状况和个体差异,显示与年龄,焦虑和PTSD的相关性.

关键词:
年龄的年龄年龄的年龄.焦虑是一种焦虑.寄同情神经系统 寄同情神经系统瞳孔测量是什么意思创伤的创伤创伤的创伤.

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科学领域:

  • 神经科学是一个神经科学.
  • 身体生理学 身体生理学
  • 医疗器械 医疗器械

背景情况:

  • 副交感神经系统调节瞳孔光反射 (PLR).
  • 便携式瞳孔测量为对表交友健康的现场评估提供了潜力.

研究的目的:

  • 评估两个便携式学生计器件的可靠性和灵敏度,用于测量现场环境中的PLR参数.
  • 评估个人差异 (年龄,焦虑,PTSD) 对PLR测量的影响.

主要方法:

  • 在108名参与者中测量PLR参数 (基线直径,延迟,振幅,速度),使用商业学生计和iPhone应用程序.
  • 评估年龄,焦虑和PTSD症状的个体差异.
  • 在各种现场环境中进行测量.

主要成果:

  • 对于大多数PLR参数的高可靠性,除了iPhone的收缩延迟.
  • PLR参数的内部关系反映了实验室发现.
  • 年龄与可靠的PLR参数负相关;观察到焦虑和PTSD影响.

结论:

  • 手持便携式学生计可以在现场设置中成功测量PLR参数.
  • 这些设备可以用于评估工作场所和路边等不同环境中的副交感活动和个人差异.