Dementia can be divided into three common groups. What are they?

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Dementia can be categorized based on the part of the brain that's affected or the nature of the pathology. The three common groups are cortical (affecting the brain's cortex, as in Alzheimer's disease), subcortical (affecting areas beneath the cortex, as seen in Parkinson's disease), and mixed (involving both cortical and subcortical areas, as can happen in vascular dementia).

Dementia Can Be Divided into Three Common Groups