Final answer:
The three main cases of anterograde amnesia are typically associated with damage to the hippocampus, the area of the brain essential for converting short-term memories into long-term ones.
Step-by-step explanation:
The three main cases of anterograde amnesia are typically associated with damage to the hippocampus. Anterograde amnesia is a condition where new information cannot be retained post-injury, though memories from before the injury are usually intact. The hippocampus plays a crucial role in the transfer of information from short-term to long-term memory, meaning it's vital for memory consolidation.
When examining other brain structures, the amygdala is primarily involved with emotion regulation and influences how memories are stored due to emotional arousal, while the prefrontal cortex is linked to short-term memory and semantic tasks. However, for the purpose of anterograde amnesia and the inability to form new long-term memories, it's the damage to the hippocampus that is the primary cause, not the amygdala or prefrontal cortex.