All of the following are true about Pick disease except A. Age of onset is 40–60 years. B. Memory loss occurs early in the course of the disease. C. Autosomal dominant inheritance is present in 20% of...

All of the following are true about Pick disease except A. Age of onset is 40–60 years. B. Memory loss occurs early in the course of the disease. C. Autosomal dominant inheritance is present in 20% of cases. D. Psychiatric symptoms are often the first manifestations. E. Linkage to chromosome 17 is established in some cases.