Which of the following best describes vascular dementia?
A) Vascular dementia is a type of dementia caused primarily by the buildup of amyloid plaques in the brain.
B) Vascular dementia is characterized by memory loss due to the gradual loss of neurons in the hippocampus.
C) Vascular dementia results from impaired blood flow to the brain, often due to strokes or other vascular conditions, leading to cognitive decline.
D) Vascular dementia is associated with a deficiency of neurotransmitters like serotonin and dopamine.