Symptom Information: Sort according to HPO 

1
(HPO:0000253) Progressive microcephaly 37 / 7739
2
(HPO:0001250) Seizures 1245 / 7739
3
(HPO:0002033) Poor suck 37 / 7739
4
(HPO:0002179) Opisthotonus 35 / 7739
5
(HPO:0002518) Abnormality of the periventricular white matter 24 / 7739
6
(HPO:0007308) Extrapyramidal dyskinesia 5 / 7739
7
(HPO:0007772) Impaired smooth pursuit 21 / 7739
8
(HPO:0011968) Feeding difficulties 240 / 7739
9
(OMIM) Hypertonia at birth 2 / 7739
10
(OMIM) Developmental delay, profound 6 / 7739
11
(OMIM) Restlessness at birth 1 / 7739
12
(OMIM) Inability to sit or control head 1 / 7739
13
(HPO:0001257) Spasticity 251 / 7739
14
(OMIM) Cerebellar hypoplasia, particularly of the hemispheres 1 / 7739
15
(OMIM) Pontine hypoplasia 8 / 7739
16
(OMIM) Cerebellar cortex shows normal layers 2 / 7739
17
(OMIM) Loss of Purkinje cells 3 / 7739
18
(OMIM) Diffuse cerebral gliosis 1 / 7739
19
(OMIM) Absence of transverse pontine fibers 1 / 7739