Definition of long-term memory
: memory that involves the storage and recall of information over a long period of time (such as days, weeks, or years)
In animal experiments and autopsies of human brains, researchers have found that the hippocampal formation—an inner-brain region consisting of the hippocampus and several other related structures—is critical for the formation of long-term memory. — Science News
—abbreviation LTM
— compare short-term memory, working memory
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Merriam-Webster unabridged
Share long-term memory
Time Traveler for long-term memory
The first known use of long-term memory was in 1940
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