Huntington’s disease is a hereditary neurodegenerative disorder caused by a gene on chromosome 4 that affects a very important area of the brain, the striatum. People are born with the defective gene but symptoms do not appear until the age of 30 or 40. This disease, in addition to motor impairments, cognitive and affective problems, also involves changes in language. A study shows that the first symptoms of the disease are revealed through linguistic changes in spontaneous speech.
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