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Executive function in Down syndrome

Persons with Down syndrome and MA matched typically developing children were tested on two measures each of hot and cool executive function (EF). Tasks were selected to be developmentally appropriate for mental ages between 3 and 6 years. Participants with Down syndrome performed at the same level as verbal mental age (VMA, M = 47.53 months) matched typically developing children on the Children's Gambling Task (Kerr & Zelazo, 2001), a delay of gratification task (Thompson, Barresi, & Moore, 1997) the Dimensional Change Card Sort (DCCS; Frye, Zelazo, & Palfai, 1995), and the Self-Ordered Pointing task (Petrides & Milner, 1982), but showed a disadvantage on the DCCS, a cool EF task, when matched on performance mental age (PMA, M = 58.34 months). These results reflect the complex cognitive profiles of persons with Down syndrome and highlight the need for more precise matching procedures.

Identiferoai:union.ndltd.org:LACETR/oai:collectionscanada.gc.ca:QMM.79785
Date January 2002
CreatorsLandry, Oriane
ContributorsBurack, Jacob (advisor)
PublisherMcGill University
Source SetsLibrary and Archives Canada ETDs Repository / Centre d'archives des thèses électroniques de Bibliothèque et Archives Canada
LanguageEnglish
Detected LanguageEnglish
TypeElectronic Thesis or Dissertation
Formatapplication/pdf
CoverageMaster of Arts (Department of Educational and Counselling Psychology.)
RightsAll items in eScholarship@McGill are protected by copyright with all rights reserved unless otherwise indicated.
Relationalephsysno: 001984071, proquestno: AAIMQ88659, Theses scanned by UMI/ProQuest.

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