Upper motor neurons (UMN)
Lower motor neurons (LMN)
- Amyotrophic lateral sclerosis (ALS): UMN degeneration + LMN degeneration?
- Progressive muscular atrophy (PMA): LMN degeneration?
- Primary lateral sclerosis (PLS): UMN degeneration?
- Progressive bulbar palsy (PBP): LMN degeneration?
- Hereditary spastic paraplegia (HSP): LMN degeneration?
- Pseudobulbar palsy: UMN degeneration?