Neurodegenerative

Neurodegenerative disease is a condition which affects brain function. Neurodegenerative diseases result from deterioration of neurons. They are divided into two groups:
 * 1) conditions causing problems with movements
 * 2) conditions affecting memory and conditions related to dementia

List of neurodegenerative diseases

 * Alexander disease
 * Alper's disease
 * Alzheimer's disease
 * Amyotrophic lateral sclerosis
 * Ataxia telangiectasia
 * Batten disease (also known as Spielmeyer-Vogt-Sjogren-Batten disease)
 * Canavan disease
 * Cockayne syndrome
 * Corticobasal degeneration
 * Creutzfeldt-Jakob disease
 * Huntington disease
 * HIV-associated dementia
 * Kennedy's disease
 * Krabbe disease
 * Lewy body dementia
 * Machado-Joseph disease (Spinocerebellar ataxia type 3)
 * Multiple sclerosis
 * Multiple System Atrophy
 * Parkinson disease
 * Pelizaeus-Merzbacher Disease
 * Pick's disease
 * Primary lateral sclerosis
 * Refsum's disease
 * Sandhoff disease
 * Schilder's disease
 * Spielmeyer-Vogt-Sjogren-Batten disease (also known as Batten disease)
 * Spinocerebellar ataxia (multiple types with varying characteristics)
 * Spinal muscular atrophy
 * Steele-Richardson-Olszewski disease
 * Tabes dorsalis