Abstract
Cognitive impairment is a well-known feature of Huntington's disease (HD). Generalized cognitive impairment is evident in various stages of HD including prodromal period of the disease. Cognitive and behavioral symptoms emerge many years before the onset of motor symptoms and are associated with functional decline in HD. Cognitive deficits in HD are widespread including abnormalities in processing speed, memory and executive functions. A substantial subset of patients with HD met criteria for mild cognitive impairment (MCI) in pre-HD stage.
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