system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All of the following casues subcoical dementia except -
assistant
The correct answer is  The pa of brain affected in Alzheimer's disease is cerebral coex and hippocampus. In parkinsonism, basal ganglia, coex and even the brainstem(subcoex) is affected. In progressive supranuclear palsy and HIV encephalopathy there is subcoical dementia. Reference Harrison20th edition pg 2456