Symptom Information: Sort according to HPO 

1
(HPO:0001263) Global developmental delay 853 / 7739
2
(HPO:0001662) Bradycardia 41 / 7739
3
(HPO:0002063) Rigidity 92 / 7739
4
(HPO:0002104) Apnea 106 / 7739
5
(HPO:0002171) Gliosis 48 / 7739
6
(HPO:0002459) Dysautonomia 34 / 7739
7
(HPO:0002529) Neuronal loss in central nervous system 37 / 7739
8
(HPO:0003739) Myoclonic spasms 7 / 7739
9
(HPO:0000252) Microcephaly 832 / 7739
10
(OMIM) Small or absent fontanels 1 / 7739
11
(OMIM) Depressed frontal bones 1 / 7739
12
(OMIM) Overlapping cranial sutures 1 / 7739
13
(OMIM) Rigidity, axial and limb 1 / 7739
14
(OMIM) Lack of volitional movement 1 / 7739
15
(OMIM) Seizures, continuous, refractory 1 / 7739
16
(OMIM) EEG shows high voltage spikes over the temporal and central regions 1 / 7739
17
(OMIM) Multifocal seizures 2 / 7739
18
(OMIM) Background slowing 1 / 7739
19
(OMIM) Neuronal loss in the striatum and cerebral cortex 1 / 7739
20
(OMIM) Astrogliosis 3 / 7739
21
(OMIM) Corticobasal degeneration 1 / 7739
22
(OMIM) Episodic myoclonic spasms 1 / 7739
23
(HPO:0000007) Autosomal recessive inheritance 2538 / 7739
24
(HPO:0000347) Micrognathia rare [HPO:skoehler] 426 / 7739
25
(HPO:0000648) Optic atrophy rare [HPO:skoehler] 238 / 7739
26
(HPO:0001276) Hypertonia 317 / 7739
27
(HPO:0001371) Flexion contracture 220 / 7739
28
(HPO:0002123) Generalized myoclonic seizures 62 / 7739
29
(HPO:0002169) Clonus 37 / 7739
30
(HPO:0003487) Babinski sign 179 / 7739
31
(HPO:0012448) Delayed myelination rare [HPO:skoehler] 51 / 7739