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Reflex periodic spasms induced by eating.

Angelo Labate1, Eleonora Colosimo, Antonio Gambardella

  • 1Institute of Neurology, University Magna Graecia Catanzaro, Catanzaro, Italy.

Brain & Development
|January 18, 2006
PubMed
Summary

This study details two patients experiencing reflex periodic spasms (PS) triggered by eating, accompanied by cognitive and motor impairments. These eating-induced spasms suggest a link between ictal events and food intake in specific epilepsy cases.

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Area of Science:

  • Neurology
  • Epileptology
  • Clinical Neurophysiology

Background:

  • Reflex epilepsies are characterized by seizures triggered by specific stimuli.
  • Eating epilepsy is a rare form of reflex epilepsy, often associated with significant neurological deficits.

Observation:

  • Two patients presented with reflex periodic spasms (PS) exclusively triggered by eating.
  • Spasms occurred during meals, characterized by flexion, eye elevation, limb abduction, and loss of consciousness.
  • Episodes involved repeated spasms at 5-30 second intervals over 10-15 minutes.

Findings:

  • Ictal EEG showed high-voltage sharp slow waves with brief voltage attenuation.
  • EMG recordings indicated abrupt increases in muscle tone during spasms.
  • Epileptogenic origins were identified as perirolandic suprasylvian and temporolimbic.

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Implications:

  • These findings highlight the potential for eating to trigger complex reflex seizures in individuals with specific brain abnormalities.
  • Understanding the neurobiological underpinnings of eating-induced PS can inform targeted treatment strategies.
  • Further research is warranted to explore the mechanisms connecting gustatory stimuli to ictal discharges in the observed epilepsy types.