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相关概念视频

Tactile and Chemical Senses01:27

Tactile and Chemical Senses

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Tactile senses encompass touch, temperature, and pain, each mediated by specific receptors. Touch receptors detect mechanical energy or pressure against the skin. Sensory fibers from these receptors enter the spinal cord and relay information to the brain stem. Here, most fibers cross over to the opposite side of the brain. The touch information then moves to the thalamus, which projects a map of the body's surface onto the somatosensory areas of the parietal lobes in the cerebral cortex.
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Integration of Synaptic Events01:28

Integration of Synaptic Events

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Synaptic integration mainly includes the summation of graded potentials. Graded potentials, regardless of their type, cause subtle alterations in membrane voltage, resulting in either depolarization or hyperpolarization. These incremental changes, when combined or summed, can propel the neuron toward its threshold. Consider, for example, a membrane experiencing a +15 mV shift, causing it to depolarize from -70 mV to -55 mV. In this scenario, graded potentials govern the membrane's ability to...
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Schwarzschild Radius and Event Horizon01:21

Schwarzschild Radius and Event Horizon

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No object with a finite mass can travel faster than the speed of light in a vacuum. This fact has an interesting consequence in the domain of extremely high gravitational fields.
The minimum speed required to launch a projectile from the surface of an object to which it is gravitationally bound so that it eventually escapes the object’s gravitational field is called the escape velocity. The escape velocity is independent of the mass of the object. Merging the idea of escape...
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Skin Cancer01:30

Skin Cancer

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Skin cancer is a type of cancer that occurs when there is an abnormal growth of skin cells, usually triggered by damage to the DNA within the skin cells. It is primarily caused by exposure to ultraviolet (UV) radiation from the sun or artificial sources like tanning beds. Skin cancer is the most common type of cancer worldwide, and its incidence continues to rise.
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
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Sensory Functions of the Skin01:16

Sensory Functions of the Skin

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The skin is the largest organ of the human body and plays a crucial role in our sensory perception. It contains a vast network of sensory receptors that contribute to the skin's protective function by perceiving physical, biological, and environmental cues and generating relevant responses.
There are two main categories of receptors on the skin: capsulated and non-capsulated. The non-capsulated ones are mainly the pain receptors. The capsulated ones can be further categorized based on the...
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Skin Diseases and Disorders01:23

Skin Diseases and Disorders

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Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
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相关实验视频

Updated: Feb 10, 2026

Somatosensory Event-related Potentials from Orofacial Skin Stretch Stimulation
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Somatosensory Event-related Potentials from Orofacial Skin Stretch Stimulation

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一个基于事件的光触觉皮肤.

Mohammadreza Koolani1, Simeon Bamford1, Petr Trunin2,3

  • 1Event-Driven Perception for Robotics, Istituto Italiano di Tecnologia, Genoa, Italy.

Frontiers in neuroscience
|February 9, 2026
PubMed
概括

这项研究介绍了一种新的神经形态触觉传感器,使用事件驱动的动态视觉传感器 (DVS) 用于软机器人. 该系统即使在数据显著减少的情况下也能实现精确的压力本地化,从而有望实现低功耗.

关键词:
动态视觉传感器 动态视觉传感器基于事件的传感传感.神经形态工程的神经形态工程的光学皮肤.软机器人软机器人 软机器人立体视觉视觉的立体视觉触觉感应是一种触觉感应.

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Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique
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Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique

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Applying Incongruent Visual-Tactile Stimuli during Object Transfer with Vibro-Tactile Feedback
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相关实验视频

Last Updated: Feb 10, 2026

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Somatosensory Event-related Potentials from Orofacial Skin Stretch Stimulation

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Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique
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Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique

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科学领域:

  • 机器人和人工智能 机器人和人工智能
  • 传感器技术 传感器技术
  • 神经形态工程的神经形态工程

背景情况:

  • 传统的触觉传感器通常依赖于重复扫描,限制了响应能力和效率.
  • 开发大面积,灵活的触觉传感仍然是软机器人和人机交互的挑战.

研究的目的:

  • 介绍一个神经形态,事件驱动的触觉感应系统,用于柔软,大面积的皮肤.
  • 为了评估系统的新闻本地化准确性和在数据减少下的性能.
  • 探索低功耗和计算负载的潜力.

主要方法:

  • 集成动态视觉传感器 (DVS) 与灵活的光学波导皮肤.
  • 使用立体视觉设置用于基于三角形的新闻本地化.
  • 采用基于密度的应用程序与噪声的空间聚类 (DBSCAN) 来处理事件数据.

主要成果:

  • 在4,620毫米2面积的压力局部化中,实现了4.66毫米的根平均平方误差 (RMSE).
  • 即使在事件数据减少到1/1024时,也证明了功能性压力本地化,误差略微增加到9.33mm.
  • 报告了检测延迟,其特征宽度为31 ms.

结论:

  • 神经形态的,事件驱动的触觉感知系统显示了广泛,灵活和响应敏捷的触觉感知的巨大潜力.
  • 该系统对稀疏事件数据的稳定性凸显了其适用于低功耗和计算效率高的应用程序的适用性.
  • 这种方法为软机器人和交互环境中的先进触觉传感提供了有希望的方向.