Answer:
His memory behavior suggests: that the semantic memory is not affected by the accident, and that the episodic memory is ineed affected.
Explanation:
Memory can be classified in different kinds, so when memory is affected, the parts of it wouldn't be equally damaged.
Semantic memory has to do with the meaning of words and their defintions. Episodic memory is related to the remembering episodes, or events of the person's life.