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    Visually induced analgesia: seeing the body reduces pain

    Longo, Matthew R. and Betti, V. and Aglioti, S.M. and Haggard, P. (2009) Visually induced analgesia: seeing the body reduces pain. Journal of Neuroscience 29 (39), pp. 12125-12130. ISSN 0270-6474.

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    Abstract

    Given previous reports of strong interactions between vision and somatic senses, we investigated whether vision of the body modulates pain perception. Participants looked into a mirror aligned with their body midline at either the reflection of their own left hand (creating the illusion that they were looking directly at their own right hand) or the reflection of a neutral object. We induced pain using an infrared laser and recorded nociceptive laser-evoked potentials (LEPs). We also collected subjective ratings of pain intensity and unpleasantness. Vision of the body produced clear analgesic effects on both subjective ratings of pain and the N2/P2 complex of LEPs. Similar results were found during direct vision of the hand, without the mirror. Furthermore, these effects were specific to vision of one’s own hand and were absent when viewing another person’s hand. These results demonstrate a novel analgesic effect of non-informative vision of the body.

    Metadata

    Item Type: Article
    Keyword(s) / Subject(s): pain, laser-evoked potentials, body representation, analgesia, mirror box, multisensory
    School: School of Science > Psychological Sciences
    Research Centres and Institutes: Brain and Cognitive Development, Centre for (CBCD)
    Depositing User: Matthew Longo
    Date Deposited: 04 Jan 2013 12:01
    Last Modified: 25 Jun 2020 09:17
    URI: https://eprints.bbk.ac.uk/id/eprint/5409

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