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Differentiating multiple personality disorder and complex partial seizures.

C A Ross1, S Heber, G Anderson

  • 1Department of Psychiatry, St. Boniface Hospital, Winnipeg, Manitoba, Canada.

General Hospital Psychiatry
|January 1, 1989
PubMed
Summary
This summary is machine-generated.

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Multiple personality disorder and complex partial seizures present distinct symptoms, differentiating them clearly. Neurologic controls showed no overlap, suggesting separate causes for these conditions.

Area of Science:

  • Neuroscience
  • Psychiatry
  • Clinical Psychology

Background:

  • Previous research suggested a potential link between temporal lobe epileptic discharges and multiple personality disorder.
  • The etiological relationship between dissociative disorders and epilepsy remains a subject of investigation.

Purpose of the Study:

  • To investigate the phenomenological distinctions between multiple personality disorder and complex partial seizures.
  • To determine if neurological controls exhibit similar dissociative experiences as patients with complex partial seizures.

Main Methods:

  • Administered the Dissociative Disorders Interview Schedule to 20 subjects with multiple personality disorder, 20 with complex partial seizures, and 28 neurologic controls.
  • Subjects also completed the Dissociative Experiences Scale to quantify dissociative symptoms.

Related Experiment Videos

Main Results:

  • Multiple personality disorder could be clearly differentiated from complex partial seizures based on numerous interview items.
  • Patients with complex partial seizures did not differ significantly from neurologic control subjects in their dissociative experiences.
  • The Dissociative Experiences Scale scores indicated distinct patterns between the patient groups.

Conclusions:

  • The distinct phenomenologies of multiple personality disorder and complex partial seizures suggest they are separate conditions.
  • The findings provide little evidence to support a common etiology for multiple personality disorder and temporal lobe epilepsy.
  • Further research should focus on the unique neurobiological and psychological underpinnings of each disorder.