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Assessment of Executive Functions in Preschool Children With Sickle Cell Anemia

Downes, M; Kirkham, FJ; Telfer, PT; de Haan, M; (2018) Assessment of Executive Functions in Preschool Children With Sickle Cell Anemia. Journal of the International Neuropsychological Society , 24 (9) , Article Special Issue. 10.1017/S1355617718000255. Green open access

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Abstract

OBJECTIVES: Children with sickle cell anemia (SCA) are commonly reported to experience executive dysfunction. However, the development of executive function (EF) in preschool-age children without stroke in this patient population has not been investigated so it is unclear when and how these deficits emerge. METHODS: This case-control study examines the feasibility of assessing the early development of executive functioning in 22 preschool children years with SCA in the domains of processing speed, working memory, attention, inhibitory control, and cognitive flexibility, as well as everyday function, in comparison to matched control children. RESULTS: A pattern of potential deficits in early emerging executive skills was observed in the domains of inhibitory control and cognitive flexibility. Parents reported no differences for everyday EF and no significant differences were observed for working memory and processing speed. CONCLUSIONS: Results suggest that deficits in everyday executive difficulties, working memory, and processing speed, as commonly reported for older children with SCA, may not yet have emerged at this early developmental stage, despite specific deficits in cognitive flexibility and inhibitory control on behavioral measures. The feasibility of using available executive measures with preschool age children to characterize the development of early EF skills is discussed. (JINS, 2018, 24, 1-6).

Type: Article
Title: Assessment of Executive Functions in Preschool Children With Sickle Cell Anemia
Open access status: An open access version is available from UCL Discovery
DOI: 10.1017/S1355617718000255
Publisher version: http://doi.org/10.1017/S1355617718000255
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Cognition, attention, cognitive flexibility, executive function, preschool, sickle cell disease
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > UCL GOS Institute of Child Health
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > UCL GOS Institute of Child Health > Developmental Neurosciences Dept
URI: https://discovery.ucl.ac.uk/id/eprint/10049869
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