Re:What was I going to post? (Score 1)

Actually, it's the difference between long-term declarative memory (which is subserved by the hippocampus, which HM had surgically resected, and the medial temporal lobe) and procedural memory (which includes cognitive skills, such as solving the TOH problem, and motor skills, and is subserved by a different network of brain structures that includes the basal ganglia).