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Part 2: Abstracts of Posters

In this study we examined the age-related decline on working memory with the reading span task (RST) and other verbal span tasks. Sixty-two subjects, were divided into three subgroups (young, middle, and old). RST performance was significantly different among all the subgroups. To elucidate which component of the working memory system is affected with age, we performed analysis of covariance (ANCOVA) with the scores of simple and complex verbal span tasks as covariates. Based on the results, we conclude that the difference of the RST performance between the middle and old groups might reflect a decline of the capacity of the phonological loop, and the difference between the young and middle groups might reflect a decline of the capacity of the central executive.  1999 Academic Press