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EEG obtained in a 7-year-old male with partial seizures with secondary generalization. The EEG sample shows “bifid” spikes in the left temporal-occipital-parietal region (arrows). Patient was intellectually challenged. There were multiple dysmorphias. HFF, high frequency filter; LFF, low frequency filter; MRI showed an arachnoid cyst and Dandy-Walker syndrome. EEG, electroencephalography; MRI, magnetic resonance imaging.
