A 63-year-old woman is brought to the office due to a change in behavior over the past year. The patient was a highly successful CEO of a large company but had to step down 3 months ago due to poor performance. She once excelled in organization and strategic planning, but 9 months ago, she began to have significant difficulty planning important meetinqs. Now the patient is unable to shop and cook for herself. She has had recent bouts of sadness and urinary frequency. Medical history is significant for hypertension and type 2 diabetes mellitus. Temperature is 37 .1 C (98.8 F), blood pressure is 132/79 mm Hg, pulse is 76fmin, and respirations are 14fmin. The patient scores 23130 (normal: ~26) on the Montreal Cognitive Assessment. Gait is slow and unsteady. Extraocular movements are intact Reflexes are 3+ in the left upper extremity and 2+ on the right