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Related Concept Videos

Somatosensation01:33

Somatosensation

42.1K
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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Sensory Perception: Organization of the Somatosensory System01:11

Sensory Perception: Organization of the Somatosensory System

10.3K
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...
10.3K
Overview of Somatic Sensory Pathways01:29

Overview of Somatic Sensory Pathways

7.5K
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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Major Somatic Sensory Pathways01:28

Major Somatic Sensory Pathways

1.9K
Sensory impulses related to touch, pressure, vibration, and proprioception from various body parts, such as the limbs, trunk, neck, and posterior head, travel to the cerebral cortex through the posterior column-medial lemniscus pathway. The pathway’s name derives from the two white-matter tracts that convey the impulses: the spinal cord's posterior column and the brainstem's medial lemniscus. First-order sensory neurons extend their axons into the spinal cord, forming the...
1.9K
Somatosensory, Motor, and Association Cortex01:24

Somatosensory, Motor, and Association Cortex

1.6K
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...
1.6K
Sensory Modalities01:15

Sensory Modalities

3.2K
Sensation typically is the process by which the sensory receptors and sense organs detect stimuli from the internal and external environment and transmit this information to the central nervous system for processing.
General senses refer to the broad category of sensory information detected by receptors in the body and can be further grouped into somatic and visceral senses. Somatic sensations include touch, pressure, temperature, and pain and are essential for navigating our environment and...
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Related Experiment Video

Updated: Nov 21, 2025

Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities
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Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities

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Sensational developments in somatosensory development?

Artur Kania1

  • 1Institut de recherches cliniques de Montréal (IRCM), Montréal, QC, H2W 1R7, Canada; Department of Anatomy and Cell Biology, McGill University, Montréal, QC, H3A 0C7, Canada; Division of Experimental Medicine, McGill University, Montréal, QC, H3A 2B2, Canada.

Current Opinion in Neurobiology
|January 17, 2021
PubMed
Summary
This summary is machine-generated.

This review covers recent advances in somatosensory system development, from peripheral neurons to the somatosensory cortex. It explores neuronal activity

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Area of Science:

  • Neuroscience
  • Developmental Biology
  • Sensory Systems

Background:

  • The somatosensory system processes touch, temperature, and pain.
  • Understanding its development is crucial for neurological health.

Purpose of the Study:

  • To provide an overview of recent advances in somatosensory system development.
  • To highlight the role of neuronal activity and map formation.
  • To link somatosensation to neurodevelopmental disorders.

Main Methods:

  • Literature review of recent findings.
  • Synthesis of research on neuronal development and function.

Main Results:

  • Advances in understanding peripheral neuron development.
  • Insights into central nervous system circuit formation.
  • Progress in mapping somatosensory pathways.
  • Connections between somatosensation and neurodevelopmental disorders.

Conclusions:

  • Neuronal activity is key to somatosensory system development.
  • Aberrant somatosensation is linked to neurodevelopmental disorders.
  • Further research can inform treatments for sensory processing issues.