Sleep-Dependent Memory Consolidation

Memory consolidation is a time window in which new memories are stabilized after initial acquisition. During this process, memories become resistant to interference and are converted into long-lasting optimally integrated memories. The memories afterwards are less prone This wiki analyzes the relationship between sleep and memory consolidation. Following a brief introduction into the mechanics of sleep and memory, there will be a focus on the contemporary theories concerning the role of sleep in memory consolidation.

Sleep and Memory: An Introduction

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Following the initial encoding of a memory, a series of alterations develop over time that stabilize and enhance the initial memory representation. These fragile memory states transform into more permanent ones, available for continued reactivation recall over extended periods of time. The extent to which sleep contributes to this process is unresolved, and its complexity lies in the multiple memory systems underlying the processes. Sleep Cycles Sleep progresses in five distinct cycles, prompted by natural cycles of activity in the brain. The cycles consists of two basic states: rapid eye movement (REM) and non-rapid eye movement (NREM) sleep, which consists of Stages 1-4.