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[Formula: see text]Working memory outcomes following unilateral arterial ischemic stroke in childhood.

Authors
  • Fuentes, Amanda1, 2
  • Westmacott, Robyn2
  • Deotto, Angela1
  • deVeber, Gabrielle3
  • Desrocher, Mary1
  • 1 a Department of Psychology , York University , Toronto , Canada. , (Canada)
  • 2 b Department of Psychology , Hospital for Sick Children , Toronto , Canada. , (Canada)
  • 3 c Department of Pediatrics, Division of Neurology , Hospital for Sick Children , Toronto , Canada. , (Canada)
Type
Published Article
Journal
Child Neuropsychology
Publisher
Informa UK (Taylor & Francis)
Publication Date
Oct 01, 2017
Volume
23
Issue
7
Pages
803–821
Identifiers
DOI: 10.1080/09297049.2016.1205008
PMID: 27424626
Source
Medline
Keywords
License
Unknown

Abstract

There is a dearth of research examining working memory (WM) following pediatric arterial ischemic stroke (AIS). This study assesses the WM patterns of 32 children, aged 6 to 14 years, with a history of unilateral AIS and 32 controls using a paradigm based on Baddeley and Hitch's multi-component WM model. The results indicate compromised WM in children with AIS relative to controls and parent reports confirm higher rates of dysfunction. Supplementary analyses of impairment confirm higher rates in children with AIS, ranging from 31.25% to 38.70% on performance-based measures and 50.00% on parent reports, compared to 0.00% to 21.88% on performance-based measures in controls and 15.63% on parent reports. Continual follow-up is recommended given that a subset of children with stroke appear to be at risk for WM impairment. Moreover, the subtle nature of WM challenges experienced by many children who have experienced a stroke increases the likelihood that WM impairment could go undetected. The long-term trajectories of WM in the pediatric stroke population remains unknown and future studies are needed to track changes in WM functioning over time.

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