• Neurology · Jan 2007

    Pathologic pain distorts visuospatial perception.

    • M Sumitani, M Shibata, T Iwakura, Y Matsuda, G Sakaue, T Inoue, T Mashimo, and S Miyauchi.
    • Department of Acute Critical Medicine (Anesthesiology), Osaka University, Graduate School of Medicine, Osaka, Japan.
    • Neurology. 2007 Jan 9;68(2):152-4.

    AbstractSpatial perception is achieved by integrating multisensory information. Using visual subjective body midline (vSM) judgments in patients with unilateral limb pain (complex regional pain syndrome [CRPS]), we found that their vSM deviated toward the affected side; however, deafferentation of the affected limb caused a transient pain decrease and a transient shift of the vSM deviation toward the unaffected side. Our results indicate that the persistent pain state in CRPS distorts visuospatial perception.

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