📋Overview
Subcortical dementia is a legacy term historically used to describe a pattern of cognitive decline primarily affecting subcortical brain regions such as the basal ganglia, thalamus, and white matter pathways. Modern terminology prefers to classify these conditions based on specific underlying causes, such as vascular dementia, Parkinson's disease dementia, or Huntington's disease. Subcortical dementias typically feature slowed thinking, impaired attention, and motor symptoms, distinguishing them from cortical dementias like Alzheimer's disease.
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