Question: Which type of memory shows a much greater decline with age than others?
Disambiguated questions and answers: question: Which type of memory shows a much greater decline with age than others types of memory that also decline?
Which type of memory shows a much greater decline with age than other types that don't change, but less than episodic memory?
answer: episodic memory
new memories of events or facts
working memory
Natural Questions answer: episodic memory (from the Wikipedia article "Memory and aging")