Pain and somatic sensation are transiently normalized by illusory body ownership in a patient with spinal cord injury

Pazzaglia, Mariella; Haggard, Patrick; Scivoletto, Giorgio; Molinari, Marco; Lenggenhager, Bigna

Pain and somatic sensation are transiently normalized by illusory body ownership in a patient with spinal cord injury

Dateien

Zu diesem Dokument gibt es keine Dateien.

Datum

2016

Autor:innen

Pazzaglia, Mariella

Haggard, Patrick

Scivoletto, Giorgio

Molinari, Marco

Lenggenhager, Bigna

DOI (zitierfähiger Link)

https://doi.org/10.3233/RNN-150611

Sammlungen

Psychologie

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Restorative neurology and neuroscience. IOS Press. 2016, 34(4), pp. 603-613. ISSN 0922-6028. eISSN 1878-3627. Available under: doi: 10.3233/RNN-150611

Zusammenfassung

Purpose: Spinal cord injury (SCI), a profound impairment of sensorimotor functions, is often associated with pain related phenomena, including mechanical allodynia, a condition in which non-painful tactile sensation is perceived as pain. Pain and somatic sensation are undeniable markers of normal bodily awareness. However, the mechanism by which they are integrated into a coherent sense of the bodily self remains largely unclear. In this study, we investigated the effect of high-level multisensory manipulation on subjective experiences of pain, touch, and body-ownership. Methods: We administered visuo-tactile stimulation based on the rubber hand illusion. In a longitudinal study, we compared the strength of the illusion in a male with SCI, who initially had lost somatosensation in all his fingers, but a few months later reported signs of tactile allodynia restricted to the left C6-dermatome. Results: After the restoration of some somatosensation, even if it were painful, synchronous but not asynchronous visuo-tactile stimulation induced body illusion. Previously painful stimuli were temporarily perceived as less painful, and the patient further regained tactile sensations in adjacent numb areas. Conclusions: The sensations of touch and pain are mutually influenced and inextricably linked to a coherent representation of one’s own body. Multisensory manipulations affecting the perception and representation of the body might thus offer a powerful opportunity to mitigate nociceptive and somatic abnormalities.

Fachgebiet (DDC)

150 Psychologie

Schlagwörter

Bodily illusions, somatosensory perception, pain, allodynia, spinal cord injury, rehabilitation, analgesia

Zitieren

ISO 690

PAZZAGLIA, Mariella, Patrick HAGGARD, Giorgio SCIVOLETTO, Marco MOLINARI, Bigna LENGGENHAGER, 2016. Pain and somatic sensation are transiently normalized by illusory body ownership in a patient with spinal cord injury. In: Restorative neurology and neuroscience. IOS Press. 2016, 34(4), pp. 603-613. ISSN 0922-6028. eISSN 1878-3627. Available under: doi: 10.3233/RNN-150611

BibTex

@article{Pazzaglia2016somat-57230,
  year={2016},
  doi={10.3233/RNN-150611},
  title={Pain and somatic sensation are transiently normalized by illusory body ownership in a patient with spinal cord injury},
  number={4},
  volume={34},
  issn={0922-6028},
  journal={Restorative neurology and neuroscience},
  pages={603--613},
  author={Pazzaglia, Mariella and Haggard, Patrick and Scivoletto, Giorgio and Molinari, Marco and Lenggenhager, Bigna}
}

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