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Related Concept Videos

Nociception01:44

Nociception

32.6K
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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Related Experiment Video

Updated: Dec 10, 2025

Rapid Determination of the Thermal Nociceptive Threshold in Diabetic Rats
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Rapid Determination of the Thermal Nociceptive Threshold in Diabetic Rats

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Remote Controlled Nociceptive Threshold Testing Systems in Large Animals.

Polly Taylor1

  • 1Taylor Monroe, Little Downham, Ely, Cambridgeshire CB6 2TY, UK.

Animals : an Open Access Journal From MDPI
|September 5, 2020
PubMed
Summary
This summary is machine-generated.

New remotely controlled systems for nociceptive threshold (NT) testing allow animals free movement, reducing stress and improving data accuracy for pain research. This refinement enhances the reliability of thermal and mechanical threshold measurements in various species.

Keywords:
camelcatdoghorsenociceptive thresholdpainrefinementsheep

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Area of Science:

  • Veterinary Science
  • Pain Research
  • Animal Behavior

Background:

  • Nociceptive threshold (NT) testing is crucial for studying pain and analgesia.
  • Traditional NT testing methods can yield inaccurate data due to animal restraint and unfamiliar environments.
  • The need for refined, less stressful methods in animal pain research is recognized.

Purpose of the Study:

  • To develop and evaluate remotely controlled thermal and mechanical NT testing systems.
  • To enable free animal movement during testing, minimizing stress and improving data reliability.
  • To assess the feasibility of these systems across multiple animal species.

Main Methods:

  • Developed battery-powered, remotely controlled thermal and mechanical NT testing units.
  • Units were attached to animals (cats, dogs, sheep, horses, camels) and controlled via infrared.
  • Thermal threshold (TT) and mechanical threshold (MT) were measured, with failsafe mechanisms included.

Main Results:

  • Animals accepted the equipment and behaved normally in their home environments.
  • Reproducible TT (38.5-49.8 °C) and MT (2.7-10.1 N) values were recorded.
  • Threshold values varied by species, individual animal, and stimulus characteristics.

Conclusions:

  • Remotely controlled NT testing systems allow for free animal movement during testing.
  • These systems reduce stress and improve the accuracy and reproducibility of pain threshold measurements.
  • This technology represents a viable refinement for pain research in diverse animal species.