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The Sciatic Nerve Cuffing Model of Neuropathic Pain in Mice

The Sciatic Nerve Cuffing Model of Neuropathic Pain in Mice

Published on: July 16, 2014

Neuropathic pain: an evolutionary hypothesis.

John C Ashton¹

¹Department of Pharmacology & Toxicology, Otago School of Medical Sciences, University of Otago, Dunedin, New Zealand. john.ashton@otago.ac.nz

Medical Hypotheses

|February 21, 2012

Summary

This summary is machine-generated.

Neuropathic pain may be an evolutionary adaptation to detect nerve trauma, similar to how motion sickness detects neurotoxicity. This theory offers new insights into pain evolution and management strategies.

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Area of Science:

Neuroscience
Evolutionary Biology
Pain Research

Background:

Nociceptive pain serves a clear survival function.
The evolutionary origins of neuropathic pain are not well understood.

Purpose of the Study:

To propose that neuropathic pain is an adaptive mechanism for detecting nervous system damage.
To draw parallels between neuropathic pain and motion sickness hypotheses.

Main Methods:

Reviewing evidence supporting the proposed hypothesis.
Analyzing the proposed mechanism of neuropathic pain activation.
Comparing it to the vestibular-visual incoherence model of motion sickness.

Main Results:

Neuropathic pain may arise from the activation of a system detecting proprioceptive-motor output incoherence.
This system activation indicates nerve trauma, analogous to motion sickness detecting neurotoxicity.

Conclusions:

The hypothesis provides a framework for understanding neuropathic pain's evolutionary utility.
This perspective has implications for pain theory and clinical pain management.