期刊
PSYCHOLOGICAL BULLETIN
卷 143, 期 9, 页码 992-1009出版社
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/bul0000108
关键词
long-term memory; memory; STM; working memory
资金
- Medical Research Council [MC_UU_00005/11] Funding Source: researchfish
- MRC [MC_UU_00005/11] Funding Source: UKRI
- Medical Research Council [MC_UU_00005/11] Funding Source: Medline
A commonly expressed view is that short-term memory (STM) is nothing more than activated long-term memory. If true, this would overturn a central tenet of cognitive psychology-the idea that there are functionally and neurobiologically distinct short-and long-term stores. Here I present an updated case for a separation between short- and long-term stores, focusing on the computational demands placed on any STM system. STM must support memory for previously unencountered information, the storage of multiple tokens of the same type, and variable binding. None of these can be achieved simply by activating long-term memory. For example, even a simple sequence of digits such as 1, 3, 1 where there are 2 tokens of the digit 1 cannot be stored in the correct order simply by activating the representations of the digits 1 and 3 in LTM. I also review recent neuroimaging data that has been presented as evidence that STM is activated LTM and show that these data are exactly what one would expect to see based on a conventional 2-store view.
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