Phantom Limbs in the Painful Brain

DOI 2 Citations 51 References
  • SUMITANI Masahiko
    Department of Anesthesiology and Pain Relief Center, The University of Tokyo Hospital
  • MIYAUCHI Satoru
    Kobe Advanced ICT Research Center, National Institute of Information and Communications Technology
  • YAMADA Yoshitsugu
    Department of Anesthesiology, Faculty of Vital Care Medicine, The Graduate School of Medicine, The University of Tokyo

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  • 幻肢と幻肢痛とは？―幻肢の随意運動の獲得と幻肢痛の寛解―

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  Following lesions in somatosensory pathways, deafferentation pain often occurs. Evidence has accumulated that deafferentation pain, including phantom limb pain, might be a phenomenon of the CNS that is related to plastic changes at several levels of the neuraxis and, in particular, the cortex. Here, we focus on patients, vivid reports about the qualitative complexity of the pain and spontaneous, voluntary or involuntary movement perception of the phantom limb. We recently succeeded in treating deafferentation pain with a mirror visual feedback. Mirror visual feedback treatment is a promising therapeutic approach to certain types of deafferentation pain. Different pain-alleviating effects are observed for different qualities of deafferentation pain, suggesting different origins of the pain. Therefore, treatment strategies should consider the qualities of deafferentation pain.

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