3.Mrs. April Masal, a 68-year-old woman, is brought to her doctor by her daughter, who fears that her memory loss, mental dullness, and word-finding problems mean that she has progressive and irreversible senile dementia. Medical history elicits the facts that she lost her husband 6 months previously, has been extremely depressed, and is taking sleeping pills and not eating properly. What would the doctor hypothesize about the probability of senile dementia in this case?