Final answer:
The correct answer is C. Hippocampus. The hippocampus is a part of the medial temporal lobe and is responsible for the formation and consolidation of new memories.
Step-by-step explanation:
The correct answer is C. Hippocampus.
In the given information, Patient J.K. had a disturbance of implicit memory following damage to his hippocampus. The hippocampus is a part of the medial temporal lobe and plays a crucial role in the formation and consolidation of new memories. Damage to the hippocampus can result in difficulties forming new memories while still retaining memories from before the damage.