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Related Concept Videos

Sensory Perception: Organization of the Somatosensory System01:11

Sensory Perception: Organization of the Somatosensory System

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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...
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Sensory Modalities

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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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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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Sensation01:21

Sensation

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Sensory receptors are specialized neurons that respond to specific types of external stimuli, initiating the process known as sensation. This occurs when sensory input, such as light entering the eye, is detected by these receptors, causing chemical changes in the cells of the retina. These cells then convert the sensory stimulus into action potentials that are transmitted to the central nervous system, a process termed transduction.
Absolute thresholds can quantify the sensitivity of sensory...
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Related Experiment Video

Updated: Dec 9, 2025

Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities
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Sensory bedside testing: a simple stratification approach for sensory phenotyping.

Maren Reimer1, Julia Forstenpointner1, Alina Hartmann1

  • 1Division of Neurological Pain Research and Therapy, University Hospital Schleswig- Holstein, Campus Kiel, Germany.

Pain Reports
|September 9, 2020
PubMed
Summary

This study introduces simple bedside tests to identify individual pain sensory phenotypes, offering a cost-effective alternative to complex laboratory methods for personalized pain treatment.

Keywords:
Bedside sensory testingBedside-QSTQuantitative sensory testingSensory profilingStratified therapy

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Area of Science:

  • Pain Medicine
  • Neurology
  • Clinical Diagnostics

Background:

  • Individual sensory phenotype stratification is key for effective pain treatment.
  • Current quantitative sensory testing (QST) methods are often expensive and time-consuming.
  • Development of accessible diagnostic tools is crucial for clinical practice.

Purpose of the Study:

  • To present a selection of easy-to-use bedside devices for sensory phenotype assessment.
  • To validate the efficacy of bedside quantitative sensory testing (QST) parameters against laboratory standards.
  • To identify cost- and time-efficient methods for determining individual sensory phenotypes.

Main Methods:

  • Conducted standardized laboratory QST and bedside-QST on 73 patients and 20 controls.
  • Assessed sensitivity, specificity, and receiver-operating characteristics of bedside parameters.
  • Evaluated interrater variability and cluster allocation accuracy using bedside QST.

Main Results:

  • Bedside parameters like cold/heat hypersensitivity and tactile loss showed >70% sensitivity and specificity.
  • Training is essential for specific parameters (e.g., 0.7 mm CMS hair) to ensure reliability.
  • Bedside QST demonstrated excellent to fair agreement with laboratory QST for sensory loss, thermal, and mechanical hyperalgesia phenotypes.

Conclusions:

  • A selection of bedside QST parameters effectively identifies individual sensory phenotypes.
  • These bedside methods offer a cost- and time-efficient approach to personalized pain management.
  • Validated bedside tools can facilitate broader clinical application of sensory profiling.