Multiple personality, seizure disorder, and the electroencephalogram

Area of Science:

• Neuroscience
• Psychiatry
• Electrophysiology

Background:

• Multiple personality disorder, now known as dissociative identity disorder, presents complex diagnostic challenges.
• Previous literature contains conflicting reports regarding electroencephalogram (EEG) findings in individuals with multiple personality disorder.

Observation:

• This study describes the electroencephalogram (EEG) patterns observed in a single case of multiple personality.
• EEG data was analyzed during transitions between different states of alertness.

Findings:

• No significant EEG alterations were identified that could be uniquely attributed to multiple personality disorder.
• Observed EEG changes were consistent with normal variations associated with shifts in alertness levels.

Implications:

• The findings challenge the utility of standard EEG in diagnosing multiple personality disorder.
• Differentiating multiple personality disorder from epilepsy requires further investigation using advanced electrophysiological methods.
• Suggests the need for more sophisticated data acquisition and reduction techniques in future research.