Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Classification of Signals01:30

Classification of Signals

461
In signal processing, signals are classified based on various characteristics: continuous-time versus discrete-time, periodic versus aperiodic, analog versus digital, and causal versus noncausal. Each category highlights distinct properties crucial for understanding and manipulating signals.
A continuous-time signal holds a value at every instant in time, representing information seamlessly. In contrast, a discrete-time signal holds values only at specific moments, often denoted as x(n), where...
461
Social Proof00:52

Social Proof

27.7K
Social proof is a form of persuasion based on comparison and conformity. People compare their behavior and actions to what others are doing and will change to conform to do what their peers do.
27.7K
Classification of Neurotransmitters01:30

Classification of Neurotransmitters

2.9K
Neurotransmitters play a crucial role in the communication between neurons in the autonomic nervous system. Neurons in the autonomic nervous system can be cholinergic or adrenergic depending on the neurotransmitters synthesized. Cholinergic neurons use acetylcholine as their primary neurotransmitter. This includes all the preganglionic fibers of the sympathetic and pre- and postganglionic fibers of the parasympathetic nervous systems. In addition, neurons of the somatic nervous system also use...
2.9K
Types of Signaling Molecules01:32

Types of Signaling Molecules

10.3K
In multicellular organisms, many molecules transmit signals between cells to pass information. These signals vary in complexity and include small peptides, nucleotides, steroids, fatty acid derivatives, and dissolved gases such as nitric oxide. Some signaling molecules diffuse through the plasma membrane to act locally between neighboring cells or travel long distances. Others remain attached to the cell surface, transmitting information to other cells only when they make contact. In some...
10.3K
Olfaction01:25

Olfaction

44.3K
The sense of smell is achieved through the activities of the olfactory system. It starts when an airborne odorant enters the nasal cavity and reaches olfactory epithelium (OE). The OE is protected by a thin layer of mucus, which also serves the purpose of dissolving more complex compounds into simpler chemical odorants. The size of the OE and the density of sensory neurons varies among species; in humans, the OE is only about 9-10 cm2.
The olfactory receptors are embedded in the cilia of the...
44.3K
Motor Unit Stimulation01:20

Motor Unit Stimulation

1.6K
When the neuron of a motor unit fires an action potential, it triggers a series of events, leading to a twitch contraction in the muscle fibers. The process of excitation-contraction coupling is crucial in relaying the action potential to the muscle fibers.
The latent period of contraction marks the onset of excitation-contraction coupling, when the action potential propagates across the sarcolemma, preparing the muscle fibers for contraction. As the fibers enter the contraction phase, the...
1.6K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

A multifunctional nanotherapeutic strategy based on exosome-liposome hybrid nanoparticles for comprehensive periodontitis management.

Journal of nanobiotechnology·2026
Same author

3D Fibrin/Gelatin Hydrogel System Enhances the Therapeutic Potency of DPSC-Derived Extracellular Vesicles Compared to 2D Culture in Accelerating Diabetic Wound Healing via Angiogenesis and Immune Modulation.

Journal of functional biomaterials·2026
Same author

Understanding online sentiment toward waterpipe tobacco smoking by applying deep-learning language models to Twitter posts (2021-2023) in the United States.

Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco·2026
Same author

Urgent Need to Add AI Use Measures into Nicotine and Tobacco Surveys.

Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco·2026
Same author

Evaluating Osteoarthritis Severity in Mice Using μCT-Derived Geometric Indices.

Biology·2026
Same author

Characterising 'Spree Bar': an examination of the popularity, marketing and composition of a vaping device with a nicotine analogue across multiple data streams.

Tobacco control·2026

相关实验视频

Updated: Jul 2, 2025

Integration of Animal Behavioral Assessment and Convolutional Neural Network to Study Wasabi-Alcohol Taste-Smell Interaction
06:19

Integration of Animal Behavioral Assessment and Convolutional Neural Network to Study Wasabi-Alcohol Taste-Smell Interaction

Published on: August 16, 2024

421

用多式模式深度学习对Instagram上的有效沟通进行反vaping帖子的描述.

Zidian Xie1, Shijian Deng2, Pinxin Liu2

  • 1Department of Clinical & Translational Research, University of Rochester Medical Center, Rochester, NY, USA.

Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco
|February 17, 2024
PubMed
概括

识别反vaping Instagram帖子中的关键功能,例如警告标志,可以提高用户参与度. 关于健康风险的教育内容显著增加了喜欢和评论,有助于公共卫生传播.

更多相关视频

Author Spotlight: Addressing Technical and Subjective Challenges in Measuring Classroom Attention
06:37

Author Spotlight: Addressing Technical and Subjective Challenges in Measuring Classroom Attention

Published on: December 15, 2023

3.8K
Objectification of Tongue Diagnosis in Traditional Medicine, Data Analysis, and Study Application
05:56

Objectification of Tongue Diagnosis in Traditional Medicine, Data Analysis, and Study Application

Published on: April 14, 2023

2.5K

相关实验视频

Last Updated: Jul 2, 2025

Integration of Animal Behavioral Assessment and Convolutional Neural Network to Study Wasabi-Alcohol Taste-Smell Interaction
06:19

Integration of Animal Behavioral Assessment and Convolutional Neural Network to Study Wasabi-Alcohol Taste-Smell Interaction

Published on: August 16, 2024

421
Author Spotlight: Addressing Technical and Subjective Challenges in Measuring Classroom Attention
06:37

Author Spotlight: Addressing Technical and Subjective Challenges in Measuring Classroom Attention

Published on: December 15, 2023

3.8K
Objectification of Tongue Diagnosis in Traditional Medicine, Data Analysis, and Study Application
05:56

Objectification of Tongue Diagnosis in Traditional Medicine, Data Analysis, and Study Application

Published on: April 14, 2023

2.5K

科学领域:

  • 社交媒体研究 社交媒体研究
  • 公共卫生传播 公共卫生传播
  • 人工智能在健康中的作用

背景情况:

  • Instagram是青少年和年轻人的一个受欢迎的平台.
  • 了解社交媒体与反vaping内容的互动至关重要.
  • 目前的反vaping消息往往缺乏用户参与.

研究的目的:

  • 识别与高用户参与度相关的反vaping Instagram帖子中的关键功能.
  • 使用人工智能 (AI) 来分析大量的帖子数据集.
  • 通知有效的公共卫生沟通策略关于vaping.

主要方法:

  • 收集了8972个反吸烟的Instagram图像帖子.
  • 手工编码的2200张图像识别了9个特征.
  • 采用深度学习 (OpenAI使用ViT-B/32进行对比的语言图像预训) 和用于特征提取和分类的后勤回归.
  • 使用隐性迪里克莱特分配和价值感知词典和sEntiment推理器进行主题和情感分析.
  • 应用负二项式回归来评估特征与参与度指标 (喜欢,评论) 的关联.

主要成果:

  • 像教育警告和警告标志这样的功能与更高的参与度有显著的关联.
  • 讨论电子烟的健康风险的帖子比戒烟的帖子获得了更多的参与.
  • 标有AI标签的帖子 (8972) 发现了比手工编码的帖子 (2200) 更重要的特征.

结论:

  • 反吸烟Instagram帖子中的关键功能可以增强关于电子烟健康影响的沟通.
  • 对社交媒体内容的AI驱动分析为公共卫生信息传递提供了有效的策略.
  • 这些发现可以通过改善反吸烟运动的覆盖范围来帮助打击青少年vaping流行病.