I know your not doctors here but...Can you help me to under stand the difference between vascular Dementia and other types of dementia?
http://www.google.com/search?hl=en&client=firefox-a&rlz=1R1GGGL_en___US357&hs=GMC&q=types+of+dementia&aq=f&aqi=g10&oq=
Read several of these articles. Then please repost if you have further (specific) questions.
(I know it's not an easy topic to understand.)