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ABSTRACT
The objective of this study was to explore the clinical manifestations and electroencephalogram (EEG) features in children with frontal and temporal onset seizures. The method used was video-EEG monitoring that was conducted for 24 h in children with seizure disorders. The results were as follows: There were fewer children with temporal EEG onset seizure (TOS) than with frontal EEG onset seizure (FOS) (p = 0.132). Within the TOS category, PTOS was most frequent, and ATOS was rare (p = 0.001). The mean duration of ATOS was longer than that of TOS and PTOS (p < 0.05). There were no significant differences in seizure frequency and nocturnal attacks between children with TOS and children with FOS. Furthermore, we observed the interictal EEG from three aspects: the background, the location of discharges, and the time of discharges. The frequency of the multi-focal and bilateral discharges of FOS was higher than that of TOS (p < 0.01). The FOS discharged easily and quickly spread to the bilateral hemisphere and formed secondary bilateral synchrony. Focal discharges predominated in TOS, and rarely showed the paroxysm of bilateral synchronous rhythm. Bursts of fast rhythms predominated in the onset of TOS. In contrast, there were a variety of ictal EEG in FOS. Finally, it was concluded that in the group of children studied, the clinical and EEG characteristics of TOS were different from those of FOS.