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Related Experiment Videos

"Seeing oneself": a case of autoscopy.

Giovanna Zamboni1, Carla Budriesi, Paolo Nichelli

  • 1Department of Neuroscience, University of Modena and Reggio Emilia, Italy.

Neurocase
|July 12, 2005
PubMed
Summary

This study details a patient experiencing persistent autoscopic hallucinations after post-eclamptic brain damage. Aberrant plasticity in brain regions responsible for self-representation may cause these visual disturbances.

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Area of Science:

  • Neuroscience
  • Neurology
  • Psychiatry

Background:

  • Autoscopy involves perceiving one's own body in external space.
  • This phenomenon is rare and can be associated with neurological or psychiatric conditions.
  • Post-eclamptic encephalopathy can lead to significant brain injury.

Observation:

  • A case study of a patient with longstanding autoscopic hallucinations is presented.
  • The patient's hallucinations followed brain damage sustained from post-eclamptic encephalopathy.
  • Magnetic Resonance (MR) imaging revealed bilateral damage to the occipital cortex and basal ganglia.

Findings:

  • The patient's autoscopic hallucinations are linked to structural brain damage.
  • The observed brain lesions involve key areas for visual processing and body representation.
  • The findings suggest a potential role for aberrant neural plasticity.

Implications:

  • This case highlights a novel neurological basis for autoscopic phenomena.
  • Understanding these mechanisms could inform treatments for disorders of body representation.
  • Aberrant plasticity in higher-order cortical areas may underlie complex hallucinatory experiences.

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