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short-term memory n.
Abbr. STM The phase of the memory process in which stimuli that have been recognized and registered are stored briefly.
Retention of information that undergoes little processing or interpretation and can be recalled for only a few seconds. Short-term memory can retain about seven items.
Note: A popular example of short-term memory is the ability to remember a seven-digit telephone number just long enough to dial a call. In most cases, unless the number is consciously repeated several times, it will be forgotten.