Mathematics learning disabilities in girls with fragile X or Turner syndrome during late elementary school.

TitleMathematics learning disabilities in girls with fragile X or Turner syndrome during late elementary school.
Publication TypeJournal Article
Year of Publication2008
AuthorsMurphy MM, Mazzocco MMM
JournalJournal of learning disabilities
Volume41
Issue1
Pagination29-46
Date Published2008 Jan-Feb
Abstract

The present study focuses on math and related skills among 32 girls with fragile X (n = 14) or Turner (n = 18) syndrome during late elementary school. Performance in each syndrome group was assessed relative to Full Scale IQ-matched comparison groups of girls from the general population (n = 32 and n = 89 for fragile X syndrome and Turner syndrome, respectively). Differences between girls with fragile X and their comparison group emerged on untimed arithmetic calculations, mastery of counting skills, and arithmetic problem verification accuracy. Relative to girls in the comparison group, girls with Turner syndrome did not differ on untimed arithmetic calculations or problem verification accuracy, but they had limited mastery of counting skills and longer response times to complete the problem verification task. Girls with fragile X or Turner syndrome also differed from their respective comparison groups on math-related abilities, including visual-spatial, working memory, and reading skills, and the associations between math and those related skills. Together, these findings support the notion that difficulty with math and related skills among girls with fragile X or Turner syndrome continues into late elementary school and that the profile of math and related skill difficulty distinguishes the two syndrome groups from each other.

DOI10.1203/PDR.0b013e318174e70e
Alternate JournalJ Learn Disabil