Febrile convulsions and rolandic discharges

Related Experiment Video

Updated: Aug 19, 2026

Interictal High Frequency Oscillations Detected with Simultaneous Magnetoencephalography and Electroencephalography as Biomarker of Pediatric Epilepsy
10:22

Interictal High Frequency Oscillations Detected with Simultaneous Magnetoencephalography and Electroencephalography as Biomarker of Pediatric Epilepsy

Published on: December 6, 2016

T Kajitani, K Ueoka, M Nakamura

    Brain & Development
    |January 1, 1981
    PubMed

    Insights

    Febrile convulsions with rolandic discharges may be a distinct subtype of febrile seizures. This subtype shows a genetic link to benign epilepsy of childhood with rolandic discharges, often occurring during sleep.

    Area of Science:

    • Pediatric Neurology
    • Clinical Neurophysiology
    • Genetics

    Background:

    • Febrile convulsions are common in children.
    • Rolandic discharges on EEG are associated with certain epilepsy syndromes.
    • The relationship between febrile convulsions and epilepsy with rolandic discharges requires further clarification.

    Purpose of the Study:

    • To investigate the relationship between febrile convulsions with rolandic discharges and epilepsy with rolandic discharges.
    • To determine if febrile convulsions with rolandic discharges represent a distinct subtype.

    Main Methods:

    • Clinical and electroencephalographic (EEG) assessments were conducted.
    • Patients included children with febrile convulsions and EEG-confirmed rolandic discharges.
    • Epileptic children with a history of febrile convulsions and rolandic discharges were also studied.
    • Family studies included probands and their relatives with rolandic discharges on EEG.

    Main Results:

    • EEG evidence of rolandic discharges was observed in children with febrile convulsions.
    • A genetic link was found between febrile convulsions with rolandic discharges and benign epilepsy of childhood with rolandic discharges.
    • Rolandic discharges were noted in siblings and cousins, suggesting a familial component.

    Conclusions:

    • Febrile convulsions exhibiting rolandic discharges appear to be a specific subtype of febrile convulsions.
    • There is a close genetic relationship between febrile convulsions with rolandic discharges and epilepsy syndromes like benign epilepsy of childhood with rolandic discharges.
    • These findings support the classification of febrile convulsions with rolandic discharges as a distinct clinical entity.

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