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Related Concept Videos

Somatosensation01:33

Somatosensation

37.9K
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.
37.9K
Sensory Perception: Organization of the Somatosensory System01:11

Sensory Perception: Organization of the Somatosensory System

3.4K
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...
3.4K
Overview of Somatic Sensory Pathways01:29

Overview of Somatic Sensory Pathways

5.0K
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...
5.0K
Introduction to Special Senses01:26

Introduction to Special Senses

6.0K
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...
6.0K
Sensory Functions of the Skin01:16

Sensory Functions of the Skin

5.4K
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...
5.4K
Somatosensory, Motor, and Association Cortex01:24

Somatosensory, Motor, and Association Cortex

742
The somatosensory cortex in the parietal lobes is crucial for interpreting sensory data such as touch, temperature, and proprioception. The somatosensory cortex, situated in the parietal lobes, plays a vital role in interpreting sensory information like touch, temperature, and proprioception—awareness of body position. This specialized brain region features an organized structure wherein neurons at the top primarily process sensations originating from the lower body. In contrast, those at...
742

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Related Experiment Video

Updated: Aug 24, 2025

Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities
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Human Somatosensory Processing and Artificial Somatosensation.

Luyao Wang1,2, Lihua Ma1,2, Jiajia Yang3

  • 1Beijing Advanced Innovation Center for Intelligent Robots and Systems, Beijing Institute of Technology, Beijing, China.

Cyborg and Bionic Systems (Washington, D.C.)
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Summary

This review explores the human somatosensory system, focusing on touch receptors and brain processing for object recognition. It highlights applications in artificial systems like prosthetic hands, guiding future haptic technology development.

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Area of Science:

  • Neuroscience
  • Robotics
  • Artificial Intelligence

Background:

  • Understanding human brain information processing has advanced AI and robotics.
  • The somatosensory system remains a significant challenge in sensory system research.
  • Human hand's unique integration of receptor and actuator functions is key.

Purpose of the Study:

  • To comprehensively review the human somatosensory system.
  • To explore its applications in artificial systems.
  • To focus on object recognition and action guidance via somatosensation.

Main Methods:

  • Summarized low-threshold mechanoreceptors and somatotopic organization for artificial skin.
  • Discussed high-level brain area interactions in haptic object recognition.
  • Utilized prosthetic upper limbs as a case study for somatosensory importance.

Main Results:

  • Detailed the fundamental principles of the somatosensory pathway.
  • Illustrated the role of interconnected brain areas in tactile object recognition.
  • Demonstrated the critical need for somatosensory feedback in advanced prosthetics.

Conclusions:

  • Human haptic perception offers valuable insights for artificial somatosensory systems.
  • Future research directions are proposed for developing advanced artificial touch.
  • The study emphasizes the integration of sensory input for effective robotic action.