long-term memory


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

Examples of long-term memory in a Sentence

Recent Examples on the Web The team found a location in dog DNA that could explain 4% of the sociability differences between individuals — and that location corresponds to an area of the human genome responsible for long-term memory formation. CBS News, 29 Apr. 2022 Episodic memory is a type of long-term memory that involves recalling previous experiences with their context, in terms of time, place, and emotions. Cynthia Sass, Mph, Health.com, 15 Feb. 2022 Not to get too nerdy, but studies on learning show that parceling out learning into bite-sized chunks allows the information to encode into long-term memory. Sabrina Shafer, Forbes, 28 Jan. 2022 Music has been shown to trigger the hippocampus, the part of your brain associated with long-term memory storage. Sandee Lamotte, CNN, 12 Jan. 2022 There’s the slower build of the hormonal activation of emotion, and short- and long-term memory. New York Times, 1 Jan. 2022 Nostalgia is a special form of long-term memory that activates reward pathways in the brain along with memory regions. Catherine Franssen For Cnn Business Perspectives, CNN, 18 Nov. 2021 This helps push that knowledge into short and long-term memory. Rachel Montañez, Forbes, 14 Nov. 2021 Neurovirology may take a place alongside sessions on long-term memory, synapses and glia at some future SFN meeting. Gary Stix, Scientific American, 10 Nov. 2021 See More

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, in the meaning defined above

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Time Traveler for long-term memory

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The first known use of long-term memory was in 1940

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Dictionary Entries Near long-term memory


long-term memory

long-term potentiation

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Statistics for long-term memory

Last Updated

11 May 2022

Cite this Entry

“Long-term memory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/long-term%20memory. Accessed 22 May. 2022.

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More Definitions for long-term memory

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 But the mystery remains: how do cells in the cortex physically lay down long-term memories?— Sandra Blakeslee, The New York Times abbreviation LTM — compare short-term memory


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