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Motor and Executive Function at 6 Years of Age After Extremely Preterm Birth

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Marlow, Neil, Hennessy, Enid M., Bracewell, Melanie A., Wolke, Dieter, for the EPICure Study Group·2007·Pediatrics

Abstract

BACKGROUND. Studies of very preterm infants have demonstrated impairments in multiple neurocognitive domains. We hypothesized that neuromotor and executive-function deficits may independently contribute to school failure. METHODS. We studied children who were born at ≤25 completed weeks' gestation in the United Kingdom and Ireland in 1995 at early school age. Children underwent standardized cognitive and neuromotor assessments, including the Kaufman Assessment Battery for Children and NEPSY, and a teacher-based assessment of academic achievement. RESULTS. Of 308 surviving children, 241 (78%) were assessed at a median age of 6 years 4 months. Compared with 160 term classmates, 180 extremely preterm children without cerebral palsy and attending mainstream school performed less well on 3 simple motor tasks: posting coins, heel walking, and 1-leg standing. They more frequently had non–right-hand preferences (28% vs 10%) and more associated/overflow movements during motor tasks. Standardized scores for visuospatial and sensorimotor function performance differed from classmates by 1.6 and 1.1 SDs of the classmates' scores, respectively. These differences attenuated but remained significant after controlling for overall cognitive scores. Cognitive, visuospatial scores, and motor scores explained 54% of the variance in teachers' ratings of performance in the whole set; in the extremely preterm group, additional variance was explained by attention-executive tasks and gender. CONCLUSIONS. Impairment of motor, visuospatial, and sensorimotor function, including planning, self-regulation, inhibition, and motor persistence, contributes excess morbidity over cognitive impairment in extremely preterm children and contributes independently to poor classroom performance at 6 years of age.

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Metadata

Authors
Marlow, N., Hennessy, E. M., Bracewell, M. A., Wolke, D., & for the EPICure Study Group
Venue
Pediatrics
Published
2007-10-01
Volume
120
Issue
4
Pages
793-804
ISSN
  • 0031-4005 (ISSN-L)
  • 1098-4275
OpenAlex
W2028826344
Cited by
434
References
25
FWCI
24.22
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Motor and Executive Function at 6 Years of Age After Extremely Preterm Birth. https://app.cochat.ai/papers/10.1542/peds.2007-0440
The paper
Marlow, N., Hennessy, E. M., Bracewell, M. A., Wolke, D., & for the EPICure Study Group. (2007). Motor and Executive Function at 6 Years of Age After Extremely Preterm Birth. Pediatrics. https://doi.org/10.1542/peds.2007-0440

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