22nd June 2023

An 8-year-old girl comes into clinic as she has been having strange episodes

An 8-year-old girl comes into clinic as she has been having strange episodes. Her mother describes episodes where she becomes unresponsive, and looks into the distance with a blank appearance, and sometimes her eyelids start to flutter. Her teacher has described similar episodes in class. Afterwards, she is confused and doesn’t remember what happened during the episode.

Which of the following EEG results would be most in keeping with the likely diagnosis?