Symptom Information: Sort according to HPO 

1
(HPO:0000709) Psychosis 61 / 7739
2
(HPO:0000718) Aggressive behavior 109 / 7739
3
(HPO:0001249) Intellectual disability Variable [HPO:skoehler] 1089 / 7739
4
(HPO:0001263) Global developmental delay Common [HPO:probinson] 853 / 7739
5
(HPO:0002069) Generalized tonic-clonic seizures 96 / 7739
6
(HPO:0002121) Absence seizures 62 / 7739
7
(HPO:0011147) Typical absence seizures 33 / 7739
8
(HPO:0002123) Generalized myoclonic seizures 62 / 7739
9
(HPO:0002133) Status epilepticus 59 / 7739
10
(HPO:0007359) Focal seizures 27 / 7739
11
(HPO:0010819) Atonic seizures 18 / 7739
12
(OMIM) Delayed development, variable severity, from birth in some patients 1 / 7739
13
(OMIM) Developmental regression in about 50% of patients 1 / 7739
14
(OMIM) Normal development in some patients 1 / 7739
15
(HPO:0001250) Seizures 1245 / 7739
16
(OMIM) [DEL]Autistic features 43 / 7739
17
(OMIM) Obsessive features 1 / 7739
18
(OMIM) Carrier males show rigid personality 1 / 7739
19
(OMIM) Carrier males show obsessive features 1 / 7739
20
(OMIM) Carrier males show controlling and inflexible traits 1 / 7739
21
(OMIM) Seizures often associated with fever (63%) 1 / 7739
22
(HPO:0001417) X-linked inheritance 173 / 7739
23
(HPO:0003593) Infantile onset 249 / 7739