A relatively recent discovery has been that new neurons can…

A relatively recent discovery has been that new neurons can be generated in certain brain regions (particularly the dentate gyrus of the hippocampus) in adult animals, including humans.  This is is contrast to the previous belief that no neurons were produced after birth in most species. 

A 24-year-old male initially presents with acute auditory ha…

A 24-year-old male initially presents with acute auditory hallucinations and is treated with medication. Four days later he arrives at your office for evaluation. You observe that he is neatly dressed, avoids eye contact, and give very short answers to your initial questions. Which of the following questions would be most beneficial for determining his degree of negative symptoms? 

A 75-year-old man is hospitalized for cellulitis in his leg….

A 75-year-old man is hospitalized for cellulitis in his leg. Psychiatry is consulted because the man’s daughter is worried that her father seems “a little off.” On examination, the patient is well-appearing, alert, and attentive, with a euthymic reactive affect. He denies any complaints aside from leg pain. Although he is oriented to person, place, and month and year, he is unable to remember the exact date. He is able to recall only two out of three words on a short-term memory test. The patient’s daughter notes that although her father lives independently, he has “slowed down a little” over the past few months and takes “a long time” to balance his checkbook, which surprises her because he worked as an accountant until a year ago. What is the most likely diagnosis?