The table below lists life expectancy for patients who are diagnosed with<unk> . Type Median survival time from start of symptoms Amyotrophic lateral sclerosis (ALS) 2–5 years Primary lateral sclerosis (PLS) 8–10 years Progressive muscular atrophy (PMA) 2–4 years Progressive bulbar palsy (PBP) 6 months – 3 years Pseudobulbar palsy No change in survival
Motor neuron disease
Vascular myelopathy
Polyneuropathy
Basal ganglia disease
Upper motor neuron syndrome
Distal hereditary motor neuronopathies
Tropical ataxic neuropathy
Amyotrophic lateral sclerosis