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Abstract
We evaluated the P300 components of event-related potentials (ERP) in 64 cryptogenic partial epilepsy (CPE) patients, and 52 idiopathic generalized epilepsy (IGE) patients as well as in their age-matched control groups. The P200, N200 and P300 latencies recorded from Cz were significantly longer in CPE patients compared with those of their control group (P= 0.0371,P= 0.0092 andP= 0.0405, respectively). The P200 and N200 latencies recorded from Fz were significantly longer than in their control group (P= 0.0448 andP= 0.0107) while the prolongation in the P300 latencies was not found to be statistically significant (P= 0.0733). All latencies were longer in IGE patients, and the amplitudes of the N200/P300 components of ERP were lower in both epileptic groups compared with their control groups, but these differences were not significant. The prolongation of the P300 latencies was not correlated with the type or serum level of antiepileptic drug or seizure control. Our findings suggest that the prolongation of the P300 latency of ERP is related to the type of epilepsy.
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© 1999 BEA Trading, Ltd. Published by Elsevier Inc.
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