Review Article

Electroencephalography in Mesial Temporal Lobe Epilepsy: A Review

Table 2

The characteristics of interictal epileptiform discharges [55].

Paroxysmal with spiky configuration standing out from the background
Duration 70–200 msec for a sharp wave and 20–70 msec for a spike
Abrupt change in polarity
Surface negative polarity
Have a physiological field