The hippocampus is the brain area primarily responsible for the formation of new memories. It consolidates information from short-term to long-term memory, aiding in recall. Other brain areas mentioned have different functions unrelated to memory formation. ;
The hippocampus is the key area of the brain responsible for forming new memories by transforming short-term memories into long-term ones. Other areas like the thalamus, cerebellum, and frontal lobe have different functions unrelated to memory formation. Therefore, the correct answer is B. The hippocampus.
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