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Induction of an illusory shadow person

Author

Listed:
  • Shahar Arzy

    (Laboratory of Cognitive Neuroscience, École Polytechnique Fédérale de Lausanne
    University Hospital)

  • Margitta Seeck

    (Presurgical Epilepsy Evaluation Unit, University Hospital
    University Hospital)

  • Stephanie Ortigue

    (University Hospital
    Center for Cognitive Neuroscience, Dartmouth College)

  • Laurent Spinelli

    (Presurgical Epilepsy Evaluation Unit, University Hospital)

  • Olaf Blanke

    (Laboratory of Cognitive Neuroscience, École Polytechnique Fédérale de Lausanne
    University Hospital)

Abstract

Body double The strange feeling that somebody is nearby when nobody's there has been reported by healthy individuals as well as neurological patients. Clues as to what triggers the illusion have been obtained from a patient being evaluated for anti-epilepsy treatment who repeatedly sensed an illusory person closely 'shadowing' her body position and posture. The prompt for this illusion was stimulation of an area on the left temporoparietal junction, pointing to a possible disturbance in multisensory processing of body and self in this part of the brain.

Suggested Citation

  • Shahar Arzy & Margitta Seeck & Stephanie Ortigue & Laurent Spinelli & Olaf Blanke, 2006. "Induction of an illusory shadow person," Nature, Nature, vol. 443(7109), pages 287-287, September.
    • Handle: RePEc:nat:nature:v:443:y:2006:i:7109:d:10.1038_443287a
    DOI: 10.1038/443287a
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    Cited by:

    1. Louis Albert & Jevita Potheegadoo & Bruno Herbelin & Fosco Bernasconi & Olaf Blanke, 2024. "Numerosity estimation of virtual humans as a digital-robotic marker for hallucinations in Parkinson’s disease," Nature Communications, Nature, vol. 15(1), pages 1-16, December.

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