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Related Concept Videos

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.
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Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

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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...
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A Monolithic Neuromorphic Device for In-Sensor Tactile Computing.

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.

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|May 20, 2025
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Summary
This summary is machine-generated.

Researchers developed a novel electronic device integrating tactile sensing and neuromorphic computing. This bioinspired system mimics human skin

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Area of Science:

  • Materials Science and Engineering
  • Neuroscience
  • Electronics

Background:

  • Human tactile perception relies on complex sensory processing.
  • Neuromorphic computing aims to mimic the brain's structure and function.
  • Integrating sensing and computing at the device level is a key challenge.

Purpose of the Study:

  • To create a monolithic electronic device for tactile perception and neuromorphic computing.
  • To enable synaptic plasticity tunable by tactile inputs.
  • To mimic human cognitive functions under stress.

Main Methods:

  • Engineered a device with SnO2 nanowires and a chitosan layer.
  • Utilized the chitosan layer as a pressure-sensitive ionic gate.
  • Investigated pressure-dependent memory retention and learning behaviors.

Main Results:

  • Achieved seamless integration of tactile sensing and neuromorphic computing.
  • Demonstrated tactile input-tunable synaptic plasticity.
  • Observed pressure-dependent memory and learning, mimicking stress-induced cognitive enhancement.

Conclusions:

  • The developed device offers a unique architecture for bioinspired electronic systems.
  • This technology has potential for adaptive tactile information processing.
  • The device emulates tactile perception and cognitive functions.