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Related Experiment Videos

Phantom limb sensation.

Annie Woodhouse1

  • 1Royal North Shore Hospital, St Leonards, New South Wales, Australia. awoodhou@doh.health.nsw.gov.au

Clinical and Experimental Pharmacology & Physiology
|February 26, 2005
PubMed
Summary

Phantom limb pain and sensations are common after amputation. This paper defines these phenomena, reviews theories like the neuromatrix model, and discusses cortical reorganization

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Area of Science:

  • Neuroscience
  • Pain Management
  • Amputee Care

Background:

  • Phantom limb pain and sensations are prevalent in amputees.
  • Understanding these phenomena is crucial for effective patient management.

Purpose of the Study:

  • To define phantom limb pain, stump pain, and phantom limb sensation.
  • To review the incidence and characteristics of these phenomena.
  • To explore theoretical explanations and the role of cortical reorganization.

Main Methods:

  • Literature review and synthesis of existing research.
  • Definition and categorization of phantom phenomena.
  • Discussion of peripheral, central, and supraspinal theories.
  • Examination of evidence for cortical reorganization.

Main Results:

  • Phantom limb pain and sensations are distinct but related phenomena.
  • Multiple theories attempt to explain phantom phenomena, including peripheral, central, and supraspinal mechanisms.
  • Cortical reorganization is evident post-amputation and may contribute to phantom limb pain.

Conclusions:

  • A clear understanding of phantom limb pain and related sensations is essential.
  • The neuromatrix theory provides a comprehensive framework for understanding phantom phenomena.
  • Cortical reorganization is a significant factor to consider in the pathophysiology of phantom limb pain.

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