**6.11 Dementia**

Also called "Semantic Frontotemporal Dementia" (FTD) shows a clinical syndrome linked with the shrinking of the frontal and temporal anterior lobes of the brain.

#### **6.12 Hallervorden Spatz disease**

Also Known as "Neurodegeneration with Brain Iron Accumulation" (NBIA) is an exceptional, inherited, neurological movement disorder describe by progressive degeneration of the nervous system.

#### **6.13 Huntington's disease**

It is an inherited neurodegenerative disorder of the central nervous system, deteriorating and always fatal, this can cause progressive degeneration of cells in the brain, gradually weakening an individual's ability to think, talk, walk and reason.

#### **6.14 Lou Gehrig's disease**

Also known as "Amyotrophic Lateral Sclerosis" (ALS), a quickly progressive, constantly fatal neurological disease that attacks the neurons responsible for controlling voluntary muscle. In ALS the upper and lower motor neurons degenerate and stopping to send messages to muscles.
