What is a critical period, and which domain is often associated with a well-known critical period (e.g., language development in humans)?

What is a critical period, and which domain is often associated with a well-known critical period (e.g., language development in humans)?

• A. A critical period is a fixed interval with no impact on later ability.
• B. A critical period is a time when any experiences have no effect.
• C. A critical period is a specific time window during which particular experiences have a profound influence on development; language development in early childhood is often cited.
• D. Critical periods refer only to physical growth.

Answer: (C)