What are the symptoms of vascular cognitive impairment?

Vascular cognitive impairment is also known as vascular dementia. This is caused by a stroke or series of small strokes, which result in ischemic or unperfused regions in the brain, which result in areas of the brain not getting enough blood flow. These areas become nonfunctional and result in impairment in one's ability to think, communicate and function. 
David A. Merrill, MD
In general, vascular cognitive impairment or dementia presents with a slowing of thinking. This means that the connection speeds in the brain become slower than you would want or expect. There's also prominent executive dysfunction, which affects decision making, stability of mood and motivation.

There can be a relative preservation of memory function, which can be somewhat perplexing if someone has slowed down. The person will have trouble making decisions, but memory will remain good.

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