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Relations Among Upper-Limb Movement Organization and Cognitive Function at School Age in Children Born Preterm
Umeå University, Faculty of Social Sciences, Department of Psychology. Research and Development Unit, Kolbäcken Child Rehabilitation Centre, Umeå, Sweden.
Umeå University, Faculty of Social Sciences, Department of Psychology.
Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.
Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.
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2013 (English)In: Journal of Developmental and Behavioral Pediatrics, ISSN 0196-206X, E-ISSN 1536-7312, Vol. 34, no 5, 344-352 p.Article in journal (Refereed) Published
Abstract [en]

Objective: To explore relations between aspects of upper-body spatiotemporal movement organization and intelligence in children born preterm at school age.

Methods: Three-dimensional (3D) kinematic recordings of arm and head movements during a unimanual precision task were related to performance on the Wechsler Intelligence Scale for Children, 4th edition, in a sample of 32 children born preterm (gestational age, mean: 31.5 weeks [range: 22-35 weeks]; birth weight, mean: 1699 g [range: 404-2962 g]) at 6 years to 8 years with no diagnosed cognitive, sensory, or motor impairments compared with 40 age-matched control children born fullterm.

Results: In the children born preterm, upper-limb movement duration and segmentation of movement trajectories were significantly associated with full-scale intelligence quotient independent of gestational age (GA) and sex. These effects pertained to the preferred side, characterized by more effective movement organization being linked with increased intelligence scores. The same relations were not seen in the controls. Within the children born preterm, a significant effect of GA was also found for some aspects of upper-limb movement organization. Full-scale intelligence quotient was within normal limits for both groups but significantly lower in the preterm (mean: 94.5 [range: 72-120]) compared with the fullterm (mean: 101.7 [range: 76-119]) born children.

Conclusions: The findings demonstrate that, independent of GA, the spatiotemporal organization of upper-limb movements is partly associated with cognitive performance in children born preterm.

Place, publisher, year, edition, pages
Lippincott Williams & Wilkins, 2013. Vol. 34, no 5, 344-352 p.
Keyword [en]
children, preterm, WISC-IV, kinematics, IQ, sensorimotor
National Category
Psychology Pediatrics
Research subject
Psychology; Pediatrics
Identifiers
URN: urn:nbn:se:umu:diva-71460DOI: 10.1097/DBP.0b013e318287ca68ISI: 000330357900007PubMedID: 23695270OAI: oai:DiVA.org:umu-71460DiVA: diva2:624118
Funder
Swedish Research Council, 2007-2438Swedish Research Council, 2011-179
Available from: 2013-05-30 Created: 2013-05-30 Last updated: 2017-12-06Bibliographically approved

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Domellöf, ErikJohansson, Anna-MariaFarooqi, AijazDomellöf, MagnusRönnqvist, Louise

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