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Related Experiment Videos

Crying seizures

D Luciano1, O Devinsky, K Perrine

  • 1Department of Neurology, New York University School of Medicine, Hospital for Joint Diseases, NY 10003.

Neurology
|October 1, 1993
PubMed
Summary
This summary is machine-generated.

Crying during partial seizures was documented in seven patients. This suggests the right hemisphere may be dominant for negative emotions, as most seizures occurred in the non-dominant hemisphere.

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Area of Science:

  • Neurology
  • Neuroscience
  • Epileptology

Background:

  • Understanding the neural basis of emotional expression during epileptic seizures is crucial for diagnosis and treatment.
  • Partial seizures, originating in one hemisphere, offer insights into localized brain function.

Observation:

  • Seven patients exhibited crying during video-electroencephalography (EEG)-documented simple or complex partial seizures.
  • Crying occurred with or without congruent affect during simple partial seizures.
  • Postictal crying was observed in two patients, with one showing persistent EEG spiking.

Findings:

  • Ictal activity was predominantly localized to the nondominant hemisphere in six patients.
  • The anteromesial temporal region was the maximal seizure focus in five patients, and the mesial frontal region in one.

Related Experiment Videos

  • These findings support the hypothesis of emotional lateralization in the brain.

    • Implications:

    • The study suggests right hemisphere dominance for processing negative affective states.
    • This has implications for understanding emotional regulation and lateralization of function in epilepsy.
    • Further research can explore the specific neural networks involved in seizure-related emotional phenomena.