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- Machado-Joseph disease (Spinocerebellar ataxia type 3)
- Macrencephaly
- Macropsia
- Megalencephaly
- Melkersson-Rosenthal syndrome
- Menieres disease
- Meningitis
- Menkes disease
- Metachromatic leukodystrophy
- Microcephaly
- Micropsia
- Migraine
- Miller Fisher syndrome
- Mini-stroke (transient ischemic attack)
- Misophonia
- Mitochondrial myopathy
- Mobius syndrome
- Monomelic amyotrophy
- Motor Neurone Disease
- Motor skills disorder
- Moyamoya disease
- Mucopolysaccharidoses
- Multi-infarct dementia
- Multifocal motor neuropathy
- Multiple sclerosis
- Multiple system atrophy
- Muscular dystrophy
- Myalgic encephalomyelitis
- Myasthenia gravis
- Myelinoclastic diffuse sclerosis
- Myoclonic Encephalopathy of infants
- Myoclonus
- Myopathy
- Myotubular myopathy
- Myotonia congenita
Read more about this topic: List Of Neurological Conditions And Disorders