People with Prefrontal Cortex Damage, Including Patients with Korsakoff's Syndrome

People with prefrontal cortex damage, including patients with Korsakoff's syndrome, frequently display which of the following memory problems?

A) severe retrograde amnesia but normal ability to learn new information
B) confabulation--a tendency to answer with out-of-date information
C) severe loss of implicit memories
D) normal memory about personal affairs but severely impaired memory about the outside world