Brent is 51 years old. He has lately had trouble remembering things and it sexms to get progressively wone each day. He would go upstairs and then forget why he went there. He would head to the grocery store, and not remember how to get there. He would have trouble recogniring hasie items, like a spoon or a knife, One day, his wife found him staring at his shoelaces, unsure of how to tie them. Brent is experiencing
?
a. presenile dementia. b. delirium. c. senile dementia. d. astroke.