What cognitive disorder involves both atypical movements and dementia in all cases?

Name: What cognitive disorder involves both atypical movements and dementia in all cases?
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Huntington's disease is characterized by a collection of involuntary movements, such as facial grimacing, jerking movements in limbs, and slow writhing movements, paired with dementia. Psychological symptoms and dementia typically develop first and are present in all cases of Huntington's.

What Cognitive Disorder Involves Both Atypical Movements and Dementia in All