Symptom Information: Sort according to HPO 

1
(HPO:0001340) Enhancement of the C-reflex 5 / 7739
2
(HPO:0001351) Jerk-locked premyoclonus spikes 5 / 7739
3
(OMIM) Involuntary rhythmic myoclonic movements ('tremor'), upper extremities 1 / 7739
4
(OMIM) Cortical origin of the tremor 1 / 7739
5
(HPO:0002069) Generalized tonic-clonic seizures 96 / 7739
6
(OMIM) EEG shows spike and wave or polyspike and wave discharges 1 / 7739
7
(OMIM) Multifocal discharges associated with contralateral jerky movements 1 / 7739
8
(OMIM) Photoparoxysmal and photomyoclonic responses 1 / 7739
9
(OMIM) Cortical reflex myoclonus 1 / 7739
10
(OMIM) Giant cortical somatosensory evoked potentials (SEPs) 2 / 7739
11
(HPO:0000006) Autosomal dominant inheritance 2518 / 7739
12
(HPO:0001250) Seizures 1245 / 7739
13
(HPO:0003680) Nonprogressive disorder 23 / 7739