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Long-term memory

Long-term memory is memory that lasts from days to years.

Long-term memory is different from working memory or [[short-term memory]], which both last from seconds to hours.

Short-term memory is a temporary potentiation of neural connection that can become long-term memory in the process of memory consolidation.

As long-term memory is subject to fading in the natural forgetting process, several recalls/retrievals of memory may be needed for long-term memories to last for years. Individual retrievals can take place in increasing intervals in accordance with the principle of spaced repetition.

Sleep is considered a necessary factor for establishing well-organized long-term memories.

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