Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
The critical period hypothesis proposes that there is a biologically determined time window during childhood in which certain behaviors or skills must be acquired for optimal development.
Related terms
Sensitive Period: A broader term than critical period, suggesting that there are periods of heightened sensitivity but not necessarily absolute deadlines.