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Dissociative states and epilepsy.

O Devinsky1, F Putnam, J Grafman

  • 1Division of Intramural Research, National Institute of Neurological and Communicative Disorders and Stroke, Bethesda, MD.

Neurology
|June 1, 1989
PubMed
Summary
This summary is machine-generated.

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This study found no direct link between epilepsy and dissociative disorders like multiple personality disorder (MPD). While some epilepsy patients showed dissociative symptoms, they were less severe than in MPD patients.

Area of Science:

  • Neuroscience
  • Psychiatry
  • Clinical Psychology

Background:

  • Dissociative symptoms, including those seen in multiple personality disorder (MPD), can overlap with symptoms of seizure disorders.
  • The potential relationship between dissociative states and epilepsy requires further investigation to differentiate underlying mechanisms.

Observation:

  • Six patients diagnosed with MPD, previously suspected of having epilepsy, underwent intensive video-EEG monitoring.
  • Dissociative symptoms were assessed in 71 epileptic patients using the Dissociative Experiences Scale and compared to controls.

Findings:

  • None of the 6 MPD patients exhibited epilepsy, despite prior diagnoses.
  • Epileptic patients, particularly those with complex partial seizures, reported higher dissociative symptoms than controls, but lower than MPD patients.

Related Experiment Videos

  • Patients with partial seizures and dominant hemisphere foci showed increased depersonalization compared to those with nondominant foci.

    • Implications:

    • Epilepsy is unlikely to be the primary cause of dissociative symptoms.
    • Distinguishing between epilepsy and dissociative disorders is crucial for accurate diagnosis and treatment.
    • Further research may clarify the neurobiological underpinnings of dissociative experiences.