在线,交互式,数字可视化资源,增强组织学教育教育
1School of Human Sciences, The University of Western Australia, Perth, WA, Australia. geoff.meyer@uwa.edu.au.
Advances in experimental medicine and biology
|July 31, 2023
概括
技术驱动的创新正在通过提供在线资源和虚拟显微镜来彻底改变组织学教育. 这些工具增强了自主学习,解决认知挑战,提高了学生的表现,减少了传统实验室会议的需要.
科学领域:
- 历史学教育教育 历史学教育
- 医疗教育 技术 技术 医学教育
- 数字学习数字学习
背景情况:
- 传统的组织学教学面临的挑战是资源限制,学生人数的增加以及实践课程的密集人员需求.
- 现有的方法经常与解释3D生物结构的2D表示的认知负载作斗争.
- 需要创新,可访问和有效的组织学学习解决方案.
研究的目的:
- 描述和评估用于组织学教育的技术增强和交互式学习创新.
- 展示如何在线提供组织学资源可以彻底改变教学和学习.
- 为了解决学生在组织学所面临的认知挑战.
主要方法:
- 利用技术增强的学习策略和交互式在线资源.
- 实现数字化组织学切口的虚拟显微镜.
- 采用讲座录音平台和具有即时反的形成性评估工具.
- 利用3D重建和动画来可视化复杂的结构.
主要成果:
- 在线资源和虚拟显微镜消除了传统的,员工密集的实践组织学实验室会议的需要.
- 学生可以以自己的节奏使用高质量的图像和交互式内容进行自我指导的学习.
- 形成性评估提供即时反,提高学习效率和考试成绩.
- 3D重建和动画有效地解决了从2D表示中解释3D结构的认知挑战.
结论:
- 技术增强的学习策略为现代组织学教育提供了可行和有效的解决方案.
- 在线组织学资源提高了学生的可访问性,参与度和学习成果.
- 虚拟显微镜和3D可视化等创新对于克服传统教学限制和认知障碍至关重要.
相关概念视频
01:18Imaging Biological Samples with Optical Microscopy
Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...
01:26Phase Contrast and Differential Interference Contrast Microscopy
Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
01:03Fixation and Sectioning
Two basic types of preparation are used to visualize specimens with a light microscope: wet mounts and fixed specimens.
The simplest type of preparation is the wet mount, in which the specimen is placed in a drop of liquid on the slide. A liquid specimen can be directly deposited on the slide using a dropper. Solid specimens, such as skin scraping, can be placed on the slide before adding a drop of liquid to prepare the wet mount. Sometimes the liquid is simply water, but stains are often added...
The simplest type of preparation is the wet mount, in which the specimen is placed in a drop of liquid on the slide. A liquid specimen can be directly deposited on the slide using a dropper. Solid specimens, such as skin scraping, can be placed on the slide before adding a drop of liquid to prepare the wet mount. Sometimes the liquid is simply water, but stains are often added...
01:29Two-Dimensional Microscopy in Microbiology
Two-dimensional (2D) microscopy encompasses a range of optical techniques that capture images within a single focal plane, offering detailed representations of microscopic structures. These techniques are essential in biological and medical research, enabling the visualization of cellular and subcellular structures with different levels of contrast and specificity.There are several major types of 2D microscopy, each with strengths and applications.Bright-Field MicroscopyBright-field microscopy...
01:28Three-Dimensional Microscopy in Microbiology
Three-dimensional imaging techniques are essential in cell biology, allowing researchers to visualize intricate cellular structures with high resolution. Two prominent methods, Differential Interference Contrast Microscopy (DIC) and Confocal Scanning Laser Microscopy (CSLM), provide distinct advantages for imaging live and thick specimens, respectively.Differential Interference Contrast MicroscopyDIC microscopy enhances contrast in transparent, unstained samples by converting phase...