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Long-term influences of a preterm birth on movement organization and side specialization in children at 4–8 years of age
Umeå University, Faculty of Social Sciences, Department of Psychology.
Umeå University, Faculty of Social Sciences, Department of Psychology. Kolbäcken Child Rehabilitation Centre, Umeå.
Umeå University, Faculty of Social Sciences, Department of Psychology.
2014 (English)In: Developmental Psychobiology, ISSN 0012-1630, E-ISSN 1098-2302, Vol. 56, no 6, 1263-1277 p.Article in journal (Refereed) Published
Abstract [en]

This study explored upper-limb and head kinematics during unimanual goal-directed movements in children born preterm (PT) and full-term (FT) aged 4–8 years. Further, functional lateralization was investigated through side-specific kinematics and hand preference observations. Altogether, 141 children were included, divided into three sub-groups based on gestation week at birth (GW). Children born FT (38–41 GW) and moderately PT (33–35 GW) showed faster, smoother, and shorter movement trajectories than children born very PT (V-PT<33 GW). Only children born FT expressed evident side differences that were characterized by smoother movements with the preferred side. Regarding hand preference, the children born V-PT showed increased rates of non-right-handedness compared with the other groups. Regardless of hand preference, the children born V-PT showed less well organized movements compared with the other groups. These findings suggest that spatio-temporal movement organization and side specialization at pre-/early school-age are affected by a PT birth, and more frequently so for children born before 33 GWs, indicating long-lasting influences on neuromotor development and specialization.

Place, publisher, year, edition, pages
Wiley Periodicals, Inc. , 2014. Vol. 56, no 6, 1263-1277 p.
Keyword [en]
preterm, handedness, laterality, child development, kinematics, motor performance
National Category
Psychology Pediatrics
Research subject
Psychology; Pediatrics
Identifiers
URN: urn:nbn:se:umu:diva-86315DOI: 10.1002/dev.21206ISI: 000340392500009OAI: oai:DiVA.org:umu-86315DiVA: diva2:698501
Funder
Swedish Research Council, 2007-2438; 2011-179
Note

Norrbacka-Eugenia Foundation

Available from: 2014-02-22 Created: 2014-02-22 Last updated: 2017-12-05Bibliographically approved

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Johansson, Anna-MariaDomellöf, ErikRönnqvist, Louise
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