GC 2-9-15 & 2-12-15
--Dementia--
Acute- also called delirium, disorder of attention and global cognition (memory and perception) and is treatable. 
    Causes: Age, medications, existing brain damage, and drug abuse 

Chronic- various underlying brain disorders or damage can have with their memory, language and thinking
      Causes: alcoholism, B12 deficiency, aging, and family history