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
First Known Use of long–term memory
Medical Definition of long–term memory
: memory that involves the storage and recall of information over a long period of time (as days, weeks, or years) A short-term memory's conversion to a long-term memory requires changes within the brain that protect the memory from interference from competing stimuli or disruption from injury or disease.—Alison Preston, Scientific American, December 2007 But the mystery remains: how do cells in the cortex physically lay down long-term memories?—Sandra Blakeslee, The New York Times, 14 Nov. 2000—abbreviation LTM; compare short-term memory
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