CPT2 and hyperinsulinemic hypoglycemia, familial, 4: Since seizures have been associated with more severe forms of CPT2 deficiency, and our proband with CPT2 deficiency presented with seizures during infancy [15], neural network activity of CTRL-injected and SB-injected 5 dpi larvae (Figure 11 and Figure S3) was monitored for seizure susceptibility compared to controls.