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相关概念视频

Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
The first classification is based on the development of the disease, and it includes the following categories:
Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

Tuberculosis, more commonly referred to as TB, is an infectious disease stemming from Mycobacterium tuberculosis. While it primarily impacts the lungs, TB can also affect other body areas. Given its severity and global impact, timely and accurate diagnosis is crucial for controlling its spread and improving patient outcomes.
Several diagnostic approaches are used to detect TB. The conventional method is the Tuberculin Skin Test (TST), also known as the Mantoux test. However, this method has...
Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

Medical management of tuberculosis (TB) patients involves a comprehensive approach that includes diagnosis, treatment, and monitoring. The specific strategies can vary depending on the type of tuberculosis (latent or active), the patient's overall health status, and other considerations.
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the progression...

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Updated: May 23, 2026

A Video Demonstration of Preserved Piloting by Scent Tracking but Impaired Dead Reckoning After Fimbria-Fornix Lesions in the Rat
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在自然导航过程中,空间记忆中的年龄差异会被减轻.

Paul F Hill1, Skyelynn Bermudez1, Andrew S McAvan2

  • 1Psychology Department, University of Arizona, Tucson, AZ, USA.

Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition
|March 6, 2024
PubMed
概括
此摘要是机器生成的。

老年人在桌面虚拟现实 (VR) 中表现出空间导航缺陷. 然而,这些年龄差异在更自然, ambulatory VR 环境中减少,这表明更好的空间记忆评估.

关键词:
空间认知 空间认知记忆 记忆 记忆 记忆 记忆导航 导航 导航 导航 导航虚拟现实 虚拟现实 虚拟现实 虚拟现实

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科学领域:

  • 认知心理学 认知心理学
  • 神经科学是一个神经科学.
  • 人与计算机的互动.

背景情况:

  • 老年人经常在虚拟现实 (VR) 环境中表现出空间导航困难.
  • 传统的VR评估可能无法完全捕捉现实世界的空间能力.

研究的目的:

  • 为了调查与年龄相关的空间导航差异是否减少在门诊VR与桌面VR相比.
  • 检查额外的空间线索对年龄和VR相关的性能差异的影响.

主要方法:

  • 年轻人和年长的成年人在两个VR条件下完成了莫里斯水迷宫任务:桌面 (鼠标/键盘) 和门诊 (不受限制的运动).
  • 实验2引入了额外的空间线索,以评估它们对性能的影响.

主要成果:

  • 年长的成年人在桌面VR条件下比年轻的成年人更不精确.
  • 在门诊VR条件下,空间导航的年龄相关差异显著减少.

结论:

  • 门诊虚拟现实环境可以提供对老年人空间导航能力的更自然和更敏感的评估.
  • 研究结果强调了自然主义虚拟环境对于评估跨年龄组的空间记忆和导航的重要性.