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Three-Stage Model of Memory

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated August 2025

Definition

The three-stage model of memory is a theory proposed by Atkinson and Shiffrin that describes how information is processed and stored in memory. It consists of three stages: sensory memory, short-term memory, and long-term memory.

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