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  • Title: Pathologic pain distorts visuospatial perception.
    Author: Sumitani M, Shibata M, Iwakura T, Matsuda Y, Sakaue G, Inoue T, Mashimo T, Miyauchi S.
    Journal: Neurology; 2007 Jan 09; 68(2):152-4. PubMed ID: 17210898.
    Abstract:
    Spatial 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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