Abstract
This study investigated the performance of young and old subjects on a modified version of the working memory task developed by Baddeley and Hitch (1974). Subjects were required to verify a set of sentences of varying complexity while they repeated aloud zero, two, or four words. The older subjects took longer to verify the sentences, especially when the sentences were grammatically complex, but the effect of concurrent memory load on verification latency was the same in both groups. These results cast doubt on the notion that there is an age-related decline in one general pool of processing resources. They also suggest that older people have greater difficulty with the active processing aspects, rather than with the passive holding aspects, of working memory tasks.
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This research was supported by a grant from the Natural Sciences and Engineering Research Council of Canada awarded to F. I. M. Craik.
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Morris, R.G., Gick, M.L. & Craik, F.I.M. Processing resources and age differences in working memory. Memory & Cognition 16, 362–366 (1988). https://doi.org/10.3758/BF03197047
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DOI: https://doi.org/10.3758/BF03197047