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 three-stage model, also known as Atkinson-Shiffrin model, suggests that human memory involves a sequence of three stages: sensory input, short-term storage, and long-term storage.