Simultaneous EEG, fMRI, and behavior in typical childhood absence seizures

Purpose:  Absence seizures cause transient impairment of consciousness. Typical absence seizures occur in children, and are accompanied by 3–4‐Hz spike–wave discharges (SWDs) on electroencephalography (EEG). Prior EEG–functional magnetic resonance imaging (fMRI) studies of SWDs have shown a network of cortical and subcortical changes during these electrical events. However, fMRI during typical childhood absence seizures with confirmed impaired consciousness has not been previously investigated.

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