Working Memory and Articulation Rate in Children With Spastic Diplegic Cerebral Palsy

Desiree A. White, Suzanne Craft, Sandra Hale, T. S. Park

Research output: Contribution to journalArticle

25 Scopus citations

Abstract

A.D. Baddeley, N. Thomson, and M. Buchanan (1975) suggested that articulatory rehearsal rate determines the amount of verbal material that can be maintained in working memory. In the current study, 12 children with spastic diplegic cerebral palsy (SDCP) and 38 normal children were tested on measures of articulation rate and memory span for one-, two- and three-syllable words. Across all conditions, articulation rate for the SDCP group was significantly slower than for the normal group; nonetheless, memory span was equivalent for both groups. This finding implies that covert rehearsal proceeded normally for the SDCP group, in spite of decrements in speech rate. Thus, the relationship between overt and covert rehearsal rates differs for children with SDCP compared with normal children. Findings from the current study further suggest that normal speech rates are not necessary for development of normal covert rehearsal rates.

Original languageEnglish
Pages (from-to)180-186
Number of pages7
JournalNeuropsychology
Volume8
Issue number2
DOIs
StatePublished - Apr 1994

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