A 45 year old male friend, over the past 6 months has started to have the following symptoms; sudden mood swings and beavioral changes, irritability, one small seizure, memory lapses, intermittent disorientation, periods of hypercleaning for no reasn, one hallucination, a couple of falls related to balance, some occasional slurred speech and difficulty finding the correct word, insomnia, and generalized apathy.