Cognitive impairment, Deeply set eye, Dysesthesia, Dyskinesia, Dystonia, EEG with burst suppression, Epileptic encephalopathy, Epileptic spasm, Facial erythema, Fatigue, Febrile seizure (within the age range of 3 months to 6 years), Feeding difficulties, Focal clonic seizure, Generalized hypotonia, Generalized tonic seizure, Global developmental delay, Hallucinations, Hypoplasia of the corpus callosum, Hypotonia, Hypsarrhythmia, Inability to walk, Intellectual disability, Memory impairment, Migraine, Motor delay, Myoclonus, Myokymia, Nausea and vomiting, obsolete Dysphasia, Pallor, Poor gross motor coordination, Profound global developmental delay, Reduced consciousness, Seizure, Spasticity, Spastic tetraparesis

decreased exploration in new environment, decreased prepulse inhibition, impaired spatial learning, increased corpus callosum size, increased superior colliculus size, increased susceptibility to pharmacologically induced seizures, neonatal lethality, complete penetrance, neonatal lethality, incomplete penetrance, nervous system phenotype, postnatal lethality, incomplete penetrance, premature death, prenatal lethality, incomplete penetrance, preweaning lethality, incomplete penetrance, reproductive system phenotype