Memory consolidation
Memory Consolidation
Memory consolidation (/ˈmɛməri kɒnsəlɪˈdeɪʃən/) is a category of processes that stabilize a memory trace after its initial acquisition. Consolidation is distinguished into two specific processes, synaptic consolidation, which is synonymous with late-phase long-term potentiation, and systems consolidation, where hippocampus-dependent memories become independent of the hippocampus over a period of weeks to years. Recently, a third process has become the focus of research, reconsolidation, in which previously-consolidated memories can be made labile again through reactivation of the memory trace.
Etymology
The term "Memory Consolidation" is derived from the Latin words "memoria" meaning "memory" and "consolidare" meaning "to make solid". It was first used in the late 19th century to describe the process of strengthening and stabilizing newly formed memories.
Related Terms
- Memory Trace: A theoretical means by which memory is stored in the brain.
- Synaptic Consolidation: The process by which items are transferred from short-term to long-term memory.
- Systems Consolidation: The reorganization of memory traces in the brain over time.
- Reconsolidation: The process of previously consolidated memories being recalled and actively consolidated.
- Hippocampus: A small organ located within the brain's medial temporal lobe, plays important roles in the consolidation of information from short-term memory to long-term memory, and in spatial memory that enables navigation.
See Also
External links
- Medical encyclopedia article on Memory consolidation
- Wikipedia's article - Memory consolidation
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