Symptom Information: Sort according to HPO 

1
(HPO:0003202) Skeletal muscle atrophy Very frequent [Orphanet] 281 / 7739
2
(HPO:0001250) Seizures Very frequent [Orphanet] 1245 / 7739
3
(HPO:0003457) EMG abnormality Very frequent [Orphanet] 78 / 7739
4
(HPO:0002353) EEG abnormality Frequent [Orphanet] 188 / 7739
5
(HPO:0001288) Gait disturbance Very frequent [Orphanet] 318 / 7739
6
(HPO:0000726) Dementia 131 / 7739
7
(HPO:0001284) Areflexia 198 / 7739
8
(HPO:0001308) Tongue fasciculations 18 / 7739
9
(HPO:0001336) Myoclonus 115 / 7739
10
(HPO:0001337) Tremor 200 / 7739
11
(HPO:0002123) Generalized myoclonic seizures 62 / 7739
12
(HPO:0002167) Neurological speech impairment Very frequent [Orphanet] 308 / 7739
13
(HPO:0002205) Recurrent respiratory infections 254 / 7739
14
(HPO:0002355) Difficulty walking 61 / 7739
15
(HPO:0002359) Frequent falls 24 / 7739
16
(HPO:0002398) Degeneration of anterior horn cells 14 / 7739
17
(HPO:0002650) Scoliosis 705 / 7739
18
(HPO:0002747) Respiratory insufficiency due to muscle weakness 48 / 7739
19
(HPO:0003391) Gowers sign 37 / 7739
20
(HPO:0007269) Spinal muscular atrophy 24 / 7739
21
(HPO:0008955) Progressive distal muscular atrophy 2 / 7739
22
(HPO:0010628) Facial palsy 146 / 7739
23
(HPO:0002015) Dysphagia 301 / 7739
24
(HPO:0003701) Proximal muscle weakness 105 / 7739
25
(HPO:0002380) Fasciculations 42 / 7739
26
(OMIM) Muscle biopsy showed neurogenic atrophy 3 / 7739
27
(OMIM) EMG shows chronic denervation 3 / 7739
28
(OMIM) Normal early psychomotor development 1 / 7739
29
(OMIM) Loss of independent ambulation 5 / 7739
30
(HPO:0002197) Generalized seizures 30 / 7739
31
(OMIM) 3-4 Hz slow sharp waves seen on EEG 1 / 7739
32
(OMIM) Normal serum creatine kinase 12 / 7739
33
(HPO:0012758) Neurodevelopmental delay Frequent [Orphanet] 949 / 7739
34
(HPO:0000006) Autosomal dominant inheritance 2518 / 7739
35
(HPO:0000007) Autosomal recessive inheritance 2538 / 7739
36
(HPO:0003621) Juvenile onset 105 / 7739
37
(HPO:0003676) Progressive disorder 148 / 7739