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Short-Term Memory (STM)
A temporary memory store in which information is held for a brief time. Information in short-term memory is rapidly lost if information is not transferred into long-term memory via, for example, rehearsal. The capacity of short-term memory has been identified as “seven, plus or minus two,” which is also referred to as “The Magical Number Seven” (Miller, 1956). Recent research has indicated that information can be transferred into long-term memory via processes other than rehearsal and that semantic encoding may also take place. These findings indicate that short-term memory is more than a mere storage space and may actively be involved in information processing. Thus, the concept of short-term memory has been replaced with the theory of working memory (Baddeley, 2001). For more information, see ...