Fig. 1

Pedigree, symptom, and EEG recording of the probands. (A) Family pedigree of CNKSR2 variation cases (B) EEG results showed the presence of spike and waves. (C) 6 years old Proband II’s carpal bones were 4 years old and 6 months old, phalanges were 6 years old and 8 months old