Examined the role of visuo-spatial working memory in the solution of mental addition
problems in 3 experiments with a total of 12 adults. A standard task was devised in which Ss …

Eight experiments with 98 college students tested the assertion that the capacity limit of short-
term memory span (seven plus/minus two" chunks") is related to a fundamental limit in" …

Investigations of the cognitive processes involved in adults' mental arithmetic have shown
the importance of phonological rather than visual codes in performance (eg Logie, Gilhooly …

Current theories of numerical cognition differ in assumptions about the componential
architecture of number processing and about the extent of notation-specific processes. To …

The relationship between the elementary operations underlying the processing of numerical
information and performance on psychometrically derived ability measures defining the …

Four experiments examined performance on the 100" basic facts" of subtraction and found a
discontinuous" stair step" function for reaction times and errors beginning with 11-n facts …

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 …

This new volume in the Counterpoints series compares and contrasts different conceptions
of working memory, generally recognized as the human cognitive system responsible for …

The subjects of this research are “lightning mental calculators,” individuals who solve
arithmetic problems such as 74,219× 8, 76× 89, or 54,917× 63 with remarkable speed and …

To account for the large demands on working memory during text comprehension and
expert performance, the traditional models of working memory involving temporary storage …