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Cognitive profiles of extremely preterm children: Full-Scale IQ hides strengths and weaknesses.

Authors
  • F Kaul, Ylva1
  • Johansson, Martin1
  • Månsson, Johanna2, 3
  • Stjernqvist, Karin2, 3
  • Farooqi, Aijaz4
  • Serenius, Fredrik1, 4
  • B Thorell, Lisa5
  • 1 Department of Women's and Children's Health, Uppsala University, Uppsala, Sweden. , (Sweden)
  • 2 Department of Clinical Sciences, Pediatric Section, Lund University, Lund, Sweden. , (Sweden)
  • 3 Department of Neonatal care and Pediatric Surgery, Skåne University Hospital, Lund, Sweden. , (Sweden)
  • 4 Department of Pediatrics, Umeå University, Umeå, Sweden. , (Sweden)
  • 5 Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden. , (Sweden)
Type
Published Article
Journal
Acta Paediatrica
Publisher
Wiley (Blackwell Publishing)
Publication Date
Jun 01, 2021
Volume
110
Issue
6
Pages
1817–1826
Identifiers
DOI: 10.1111/apa.15776
PMID: 33486812
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

To study whether a specific cognitive profile can be identified for children born extremely preterm (EPT) by investigating: 1) strengths and weaknesses not revealed by Full-Scale IQ, 2) overlap between different cognitive deficits and 3) proportion of EPT children with multiple deficits. We analysed data from the 4th version of Wechsler Intelligence Scales for Children in EPT children (n = 359) and matched controls (n = 367), collected within the 6.5-year follow-up of a population-based prospective cohort study. Extremely preterm children performed worse than controls on all measures. Group differences were the largest in Perceptual Reasoning (PRI) and Working Memory (WMI), but differences between indices were small. However, when conducting categorical analyses, deficits in PRI and/or WMI were not more common than other combinations. Many EPT children had no or mild cognitive deficits, although often in multiple domains. Extremely preterm children had greater weaknesses in working memory and perceptual abilities. However, detailed analyses of cognitive subscales showed large heterogeneity and provided no support for a specific cognitive profile. In conclusion, Full-Scale IQ scores hide strengths and weaknesses and individual profiles for EPT children need to be considered in order to provide appropriate support. © 2021 The Authors. Acta Paediatrica published by John Wiley & Sons Ltd on behalf of Foundation Acta Paediatrica.

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