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相关概念视频

Somatosensation01:33

Somatosensation

36.3K
The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as the sense of touch. A typical somatosensory pathway includes three types of long neurons: primary, secondary, and tertiary. Primary neurons have cell bodies located near the spinal cord in groups of neurons called dorsal root ganglia. The sensory neurons of ganglia innervate designated areas of skin called dermatomes.
36.3K
Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

262
A device engineer plays a crucial role in designing user interfaces for mobile devices. One such interface is the resistive touchscreen, which fundamentally consists of two metallic layers: a flexible upper layer and a rigid lower layer, separated by a narrow gap. The high resistance between these two layers is a key characteristic of this design.
When a user touches the screen, the two layers make contact at a specific point known as the touchpoint. This contact reduces the resistance between...
262

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相关实验视频

Updated: May 22, 2025

Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing
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Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing

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一个单体的神经形态设备用于传感器内触觉计算.

Yi Du1,2,3, Lu Yang1,2,3, Jiangdong Gong1,2

  • 1Institute of Photoelectronic Thin Film Devices and Technology, Key Laboratory of Photoelectronic Thin Film Devices and Technology of Tianjin,College of Electronic Information and Optical Engineering, Engineering Research Center of Thin Film Photoelectronic Technology of Ministry of Education, Nankai University, Tianjin 300350, China.

The journal of physical chemistry letters
|May 20, 2025
PubMed
概括
此摘要是机器生成的。

研究人员开发了一种新的电子设备,整合了触觉感应和神经形态计算. 这种生物灵感系统模仿人类皮肤.

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Measurement of Vibration Detection Threshold and Tactile Spatial Acuity in Human Subjects
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A Tactile Automated Passive-Finger Stimulator TAPS
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A Tactile Automated Passive-Finger Stimulator TAPS

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相关实验视频

Last Updated: May 22, 2025

Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing
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Measurement of Vibration Detection Threshold and Tactile Spatial Acuity in Human Subjects
07:32

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科学领域:

  • 材料科学与工程 材料科学与工程
  • 神经科学是一个神经科学.
  • 电子 电子 电子 电子 电子 电子 电子

背景情况:

  • 人类的触觉感知依赖于复杂的感官处理.
  • 神经形态计算旨在模仿大脑的结构和功能.
  • 在设备层面整合传感和计算是一个关键的挑战.

研究的目的:

  • 创建一个用于触觉感知和神经形态计算的单体电子设备.
  • 为了实现通过触觉输入调整的突触可塑性.
  • 在压力下模仿人类的认知功能.

主要方法:

  • 设计了一个带有SnO2纳米线和甲基酸盐层的设备.
  • 利用酸盐层作为一个压力敏感的离子门.
  • 研究了压力依赖的记忆保留和学习行为.

主要成果:

  • 实现了触觉传感和神经形态计算的无集成.
  • 证明了触觉输入可调节的突触可塑性.
  • 观察到压力依赖的记忆和学习,模仿压力诱导的认知增强.

结论:

  • 开发的设备为生物启发的电子系统提供了一个独特的架构.
  • 这项技术具有适应性触觉信息处理的潜力.
  • 该设备模拟触觉感知和认知功能.