Symptom Information: Sort according to HPO 

1
(HPO:0001257) Spasticity 251 / 7739
2
(HPO:0001347) Hyperreflexia 363 / 7739
3
(HPO:0002127) Abnormal upper motor neuron morphology 15 / 7739
4
(HPO:0002366) Abnormal lower motor neuron morphology 12 / 7739
5
(OMIM) Limb muscle weakness, upper and lower 3 / 7739
6
(OMIM) Muscle weakness, distal, upper and lower 1 / 7739
7
(OMIM) Neurophysiologic studies show evidence of denervation and renervation 1 / 7739
8
(OMIM) Enlarged motor unit action potentials 1 / 7739
9
(OMIM) Normal cognition 7 / 7739
10
(HPO:0000007) Autosomal recessive inheritance 2538 / 7739
11
(HPO:0003677) Slow progression 134 / 7739
12
(HPO:0007354) Amyotrophic lateral sclerosis 25 / 7739