Separate data for Digits Forward and Digits Backward were collected on 1567 school children (782 boys and 785 girls). correlated digit span and spatial span scores with multiple brain areas (brain volumes, cortical thickness) and did the same with the BRIEF2 Inhibit (as a foil) and WM scale scores. The Digits Backward section, then, can be a useful test of certain aspects of visual processing, and therefore of particular value in the diagnosis of children with neurologically based learning disabilities (who so often suffer with impairments in this area). The Digits Forward section may be successfully accomplished without such operations, especially for the short numerical sequences. Each level had two trials and the task ended when the child erred two consecutive times at a given level. List size increased (2, 3, 4, 5, 6, 7, and 8 digits) with each level succeeded.
#Backward digit span wisc series#
Children were given a series of digits and asked to repeat them backward. Specifically, the Digits Backward operation usually requires the subject to form an internal visual engram from the auditorally presented numerical sequences and, in addition, to utilize both forward and backward visual scanning mechanisms. The digit span backward test was used to assess working memory. Although Wechsler's decision to combine the Digits Forward and Digits Backward sections of the Digit Span subtest of the WISC (and WISC‐R) was justifiable regarding their utilization in a general test of intelligence, such combination may deprive the examiner of important information that could have been derived from the separate data.
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