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Related Concept Videos

Sensory Perception: Organization of the Somatosensory System01:11

Sensory Perception: Organization of the Somatosensory System

7.2K
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...
7.2K
Somatosensation01:33

Somatosensation

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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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Overview of Somatic Sensory Pathways01:29

Overview of Somatic Sensory Pathways

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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

1.3K
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...
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Nociception01:44

Nociception

29.5K
Nociception—the ability to feel pain—is essential for an organism’s survival and overall well-being. Noxious stimuli such as piercing pain from a sharp object, heat from an open flame, or contact with corrosive chemicals are first detected by sensory receptors, called nociceptors, located on nerve endings. Nociceptors express ion channels that convert noxious stimuli into electrical signals. When these signals reach the brain via sensory neurons, they are perceived as pain.
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Pain01:20

Pain

644
Pain serves as a critical warning signal that alerts the body to potential or actual harm. When mechanical pressure on the skin is intense, such as from a sharp pinch, the sensation transitions from touch to pain. Similarly, extreme temperatures, like a hot pot handle, convert the sensation of heat into pain. Pain can also result from overstimulation of other senses, such as blinding light, loud noise, or the intense heat from habañero peppers. This ability to sense pain is essential for...
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Chronic Post-Ischemia Pain Model for Complex Regional Pain Syndrome Type-I in Rats
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Sensory Processing Patterns in People With Complex Regional Pain Syndrome.

Gretchen L Bachman1, Brooke Tubbs2, Emily Kerr3

  • 1Northern Arizona University, Phoenix, USA.

OTJR : Occupation, Participation and Health
|May 30, 2025
PubMed
Summary

This study reveals distinct sensory processing patterns in individuals with complex regional pain syndrome (CRPS). Understanding these patterns, like sensory sensitivity and avoiding, is key for CRPS management.

Keywords:
CRPScomplex regional pain syndromesensory integrationsensory profilesurvey

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Area of Science:

  • Neuroscience
  • Pain Management
  • Sensory Processing Research

Background:

  • Limited research explores sensory processing in complex regional pain syndrome (CRPS).
  • Understanding sensory patterns is crucial for effective CRPS management and patient care.

Purpose of the Study:

  • To identify and characterize sensory processing patterns in individuals diagnosed with CRPS.
  • To investigate potential age-related differences in these sensory patterns.

Main Methods:

  • Cross-sectional survey design utilizing electronic data collection.
  • Participants (n=62) completed demographic and Adolescent/Adult Sensory Profile (AASP) surveys.
  • Convenience sampling with a majority of female, White participants.

Main Results:

  • Adults (18-64) with CRPS showed higher perceived low registration, sensory sensitivity, and sensation avoiding, with lower sensation seeking.
  • Older adults (>65) with CRPS reported heightened sensory sensitivity and sensation avoiding.
  • Significant relationships were found between low registration, sensory sensitivity, and sensation avoiding subtypes across age groups.

Conclusions:

  • Distinct sensory processing patterns are evident in individuals with CRPS.
  • These patterns, including sensory sensitivity and avoidance, appear consistent across different age groups.
  • Further research into sensory processing can inform targeted interventions for CRPS.