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Related Concept Videos

What is a Sensory System?01:31

What is a Sensory System?

Sensory systems detect stimuli—such as light and sound waves—and transduce them into neural signals that can be interpreted by the nervous system. In addition to external stimuli detected by the senses, some sensory systems detect internal stimuli—such as the proprioceptors in muscles and tendons that send feedback about limb position.
Sensory Perception: Organization of the Somatosensory System01:11

Sensory Perception: Organization of the Somatosensory System

The somatosensory system is the central and peripheral nervous system component that senses and processes touch, pressure, pain, temperature, and body position or proprioception. The process of sensation takes place at three levels:
The receptor level:
The receptor level is the first stage of sensation. It involves the detection of a stimulus by specialized sensory receptors. The stimulus must arrive within the receptor's receptive field. Next, the receptor converts the energy of the stimulus...
Somatosensation01:33

Somatosensation

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.
Introduction to Special Senses01:26

Introduction to Special Senses

Sensory receptors play an integral part in comprehending our external and internal environments. They receive diverse stimuli, converting them into the nervous system's electrochemical signals. This conversion occurs as the stimulus alters the sensory neuron's cell membrane potential, instigating the generation of an action potential. This action potential is subsequently transmitted to the central nervous system (CNS), which integrates with other sensory data or higher cognitive functions.
Visual System01:26

Visual System

Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
Once through the pupil, the light passes through the lens, a...
Overview of Somatic Sensory Pathways01:29

Overview of Somatic Sensory Pathways

Somatic sensory or somatosensory pathways refer to the neural pathways that carry information related to touch, pressure, pain, temperature, and proprioception from the skin, muscles, tendons, and joints to the brain. These pathways involve several stages of processing and integration of sensory information.
The somatosensory system is divided into three main pathways: the dorsal (or posterior) column-medial lemniscus, spinothalamic (or anterolateral), and spinocerebellar pathways.
The dorsal...

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Related Experiment Video

Updated: Jun 12, 2026

Fabrication of the Composite Regenerative Peripheral Nerve Interface (C-RPNI) in the Adult Rat
10:35

Fabrication of the Composite Regenerative Peripheral Nerve Interface (C-RPNI) in the Adult Rat

Published on: February 25, 2020

Neuromorphic sensory systems.

Shih-Chii Liu1, Tobi Delbruck

  • 1Institute of Neuroinformatics, University of Zurich and ETH Zurich, Switzerland. shih@ini.phys.ethz.ch <shih@ini.phys.ethz.ch>

Current Opinion in Neurobiology
|May 25, 2010
PubMed
Summary
This summary is machine-generated.

Neuromorphic engineering creates efficient electronic systems inspired by biology. These systems mimic biological sensory organs like the retina and cochlea using neural spike-like signals for advanced computation.

More Related Videos

Perspectives on Neuroscience
26:41

Perspectives on Neuroscience

Published on: July 31, 2007

Related Experiment Videos

Last Updated: Jun 12, 2026

Fabrication of the Composite Regenerative Peripheral Nerve Interface (C-RPNI) in the Adult Rat
10:35

Fabrication of the Composite Regenerative Peripheral Nerve Interface (C-RPNI) in the Adult Rat

Published on: February 25, 2020

Perspectives on Neuroscience
26:41

Perspectives on Neuroscience

Published on: July 31, 2007

Area of Science:

  • Neuroscience and Engineering
  • Biologically Inspired Computing

Background:

  • Biological systems offer highly efficient computational models that surpass conventional technology.
  • Neuromorphic engineering seeks to replicate these biological efficiencies in electronic systems.

Purpose of the Study:

  • To review recent advancements in neuromorphic sensory systems.
  • To highlight key trends and their impact on sensor design and data processing.

Main Methods:

  • Development of neuromorphic sensory systems mimicking biological retinas and cochleas.
  • Utilizing asynchronous digital signals analogous to neural spikes for communication.
  • Implementing novel sensory processing methods based on spike timing.

Main Results:

  • Increasing integration of sensors and sensory systems communicating via neural spike-like signals.
  • Enhanced performance and usability of neuromorphic sensors.
  • Novel processing techniques leveraging spike timing information.

Conclusions:

  • Neuromorphic sensory systems show significant progress in efficiency and functionality.
  • These advancements offer new paradigms for sensor processing and understanding brain function.
  • Experimental results can influence theories on how the brain processes sensory information.