Symptom Information: Sort according to HPO 

1
 (HPO:0000252) Microcephaly Very frequent [Orphanet] 832 / 7739
2
 (HPO:0001250) Seizures Very frequent [Orphanet] 1245 / 7739
3
 (HPO:0001276) Hypertonia Very frequent [Orphanet] 317 / 7739
4
 (HPO:0002120) Cerebral cortical atrophy Very frequent [Orphanet] 187 / 7739
5
 (HPO:0001387) Joint stiffness Very frequent [Orphanet] 322 / 7739
6
 (HPO:0002334) Abnormality of the cerebellar vermis Very frequent [Orphanet] 137 / 7739
7
 (HPO:0011420) Death Very frequent [Orphanet] 184 / 7739
8
 (HPO:0009466) Radial deviation of finger Frequent [Orphanet] 101 / 7739
9
 (HPO:0001249) Intellectual disability 1089 / 7739
10
 (HPO:0001251) Ataxia 413 / 7739
11
 (HPO:0001252) Muscular hypotonia 990 / 7739
12
 (HPO:0001263) Global developmental delay 853 / 7739
13
 (HPO:0001321) Cerebellar hypoplasia 114 / 7739
14
 (HPO:0001324) Muscle weakness 859 / 7739
15
 (HPO:0001347) Hyperreflexia 363 / 7739
16
 (HPO:0001760) Abnormality of the foot 96 / 7739
17
 (HPO:0002093) Respiratory insufficiency 410 / 7739
18
 (HPO:0002380) Fasciculations 42 / 7739
19
 (HPO:0002398) Degeneration of anterior horn cells 14 / 7739
20
 (HPO:0002803) Congenital contracture 45 / 7739
21
 (HPO:0003445) EMG: neuropathic changes 21 / 7739
22
 (HPO:0003676) Progressive disorder 148 / 7739
23
 (HPO:0006850) Hypoplasia of the ventral pons 3 / 7739
24
 (HPO:0006999) Basal ganglia gliosis 4 / 7739
25
 (HPO:0007269) Spinal muscular atrophy 24 / 7739
26
 (HPO:0008872) Feeding difficulties in infancy 153 / 7739
27
 (HPO:0012110) Hypoplasia of the pons 16 / 7739
28
 (HPO:0200147) Neuronal loss in basal ganglia 3 / 7739