Which memory type is responsible for performing tasks and tends to remain unchanged over time?

• A. Episodic memory
• B. Semantic memory
• C. Procedural memory
• D. Working memory

Answer: (C)

Procedural memory underlies our ability to perform tasks and actions learned through practice. It stores skills and how-to knowledge—things we do automatically, without needing to consciously think through each step. Because it's an implicit form of long-term memory, once a skill is well learned, it tends to be preserved over time even as other memories fade. That’s why activities like riding a bike, tying shoelaces, or playing a musical instrument stay with us long after we can barely recall the first time we learned them.

Episodic memory, by contrast, is about personal experiences and events with their contexts and times. Semantic memory holds general world knowledge and facts. Working memory is the short-term, active workspace we use to hold and manipulate information just long enough to use it. These types are not focused on the automatic execution of practiced tasks, and they don’t typically stay unchanged over long periods in the same way procedural memory does.