The cognitive phenotype of Turner syndrome: Specific learning disabilities

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Abstract

Global descriptors of the cognitive phenotype of Turner syndrome are well established and are thus commonly referred to. For example, Turner syndrome is a proposed etiology of the nonverbal learning disability - because of reported relative strengths in verbal skills, and relatively weaker nonverbal skills - particularly in arithmetic, select visuospatial skills, and processing speed. This profile is observed throughout and beyond the school age years. Reliance on this gross level description of the cognitive profile (e.g., nonverbal learning disability) may be helpful as a starting point when determining whether an individual with Turner syndrome has educational needs, but it carries limited practical significance when determining the specific nature of these needs. The limitations stem from the fact that the severity of the cognitive profile is highly variable among individuals with Turner syndrome; that the "nonverbal" difficulties are specific rather than widespread; and that any individual with Turner syndrome may also manifest cognitive characteristics independent of Turner syndrome. In view of the increased risk for specific cognitive difficulties, a detailed assessment prior to the onset of formal schooling (or at the time of diagnosis, when diagnosis occurs after 5 years of age) can play an important role in determining school readiness and potential need for educational support among individual girls with Turner syndrome.

Original languageEnglish (US)
Pages (from-to)83-92
Number of pages10
JournalInternational Congress Series
Volume1298
DOIs
StatePublished - Oct 2006
Externally publishedYes

Bibliographical note

Funding Information:
I would like to acknowledge the support of the participants and their families, research coordinators Gwen F. Myers and Kathleen Devlin, and research assistant Elizabeth Romanow. This work was supported by NIH grant HDR0103461-01-09 awarded to Dr. Mazzocco.

Copyright:
Copyright 2008 Elsevier B.V., All rights reserved.

Keywords

  • Dyscalculia
  • Mathematics learning disability
  • Nonverbal learning disability
  • Turner syndrome

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