Symptom Information: Sort according to HPO 

1
(HPO:0001276) Hypertonia 317 / 7739
2
(HPO:0002069) Generalized tonic-clonic seizures 96 / 7739
3
(HPO:0002372) Normal interictal EEG 5 / 7739
4
(OMIM) Hypertonia in neonatal period 1 / 7739
5
(OMIM) Normal psychomotor development 8 / 7739
6
(OMIM) Patients may develop a seizure disorder later in life 1 / 7739
7
(HPO:0000007) Autosomal recessive inheritance 2538 / 7739