long-term memory

noun

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

Recent Examples of long-term memory from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'long-term memory.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of long-term memory

1940


Medical Dictionary

long-term memory

noun

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 PrestonScientific AmericanDecember 2007
  • But the mystery remains: how do cells in the cortex physically lay down long-term memories?
  • —Sandra BlakesleeThe New York Times14 Nov. 2000
abbreviation LTM — compare short-term memory

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