Scalp recording Recording start 01:55:21 Recording end 01:56:10 (+1 day) Seizure onset 16:51:38 Seizure type generalized tonic clonic Sampling frequency 256 Hz Channel information column Channel 1 FP2 2 F4 3 C4 4 P4 5 F8 6 T8 7 P8 8 O2 9 F10 10 T10 11 P10 12 Fz 13 Cz 14 Pz 15 FP1 16 F3 17 C3 18 P3 19 F7 20 T7 21 P7 22 O1 23 F9 24 T9 25 P9 26 ECG