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. 2024 May 25;27:100678. doi: 10.1016/j.ebr.2024.100678

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© 2024 Published by Elsevier Inc.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig. 1 — Example of spike wave activation in sleep seen in routine electroencephalography at 3 years of age. (A) An awake epoch of EEG showing frequent left central epileptiform discharges (black arrow showing phase reversal at C3). LFF 1 Hz, HFF 70 Hz, Sensitivity 20 uV/mm, Timebase 30 mm/sec. (B) A sleep epoch of EEG showing near continuous, high amplitude, right centrotemporal epileptiform discharges. Boxed area highlighting the focal epileptiform discharges. Bipolar longitudinal montage, LFF 1 Hz, HFF 70 Hz, Sensitivity 30 uV/mm, Timebase 30 mm/sec.

Fig. 1 — Example of spike wave activation in sleep seen in routine electroencephalography at 3 years of age. (A) An awake epoch of EEG showing frequent left central epileptiform discharges (black arrow showing phase reversal at C3). LFF 1 Hz, HFF 70 Hz, Sensitivity 20 uV/mm, Timebase 30 mm/sec. (B) A sleep epoch of EEG showing near continuous, high amplitude, right centrotemporal epileptiform discharges. Boxed area highlighting the focal epileptiform discharges. Bipolar longitudinal montage, LFF 1 Hz, HFF 70 Hz, Sensitivity 30 uV/mm, Timebase 30 mm/sec.