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    Adaptation of the Mullen Scales of early learning for use among infants aged 5-24-months in rural Gambia

    Milosavljevic, B. and Vellekoop, P. and Maris, H. and Halliday, D. and Drammeh, S. and Sanyang, L. and Darboe, M.K. and Elwell, C. and Moore, S.E. and Lloyd-Fox, Sarah (2019) Adaptation of the Mullen Scales of early learning for use among infants aged 5-24-months in rural Gambia. Developmental Science 22 (5), e12808. ISSN 1363-755x.

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    Infants in low-resource settings are at heightened risk for compromised cognitive development due to a multitude of environmental insults in their surroundings. However, the onset of adverse outcomes and trajectory of cognitive development in these settings is not well understood. The aims of the present study were to adapt the Mullen Scales of Early Learning (MSEL) for use with infants in a rural area of The Gambia, to examine cognitive development in the first 24-months of life and to assess the association between cognitive performance and physical growth. In phase 1 of this study, the adapted MSEL was tested on 52 infants aged 9-24 months (some of whom were tested longitudinally at two time points). Further optimization and training were undertaken and phase 2 of the study was conducted, where the original measures were administered to 119 newly recruited infants aged 5-24 months. Infant length, weight and head circumference were measured concurrently in both phases. Participants from both phases were split into age categories of 5-9m (N=32), 10-14m (N=92), 15-19m (N=53) and 20-24m (N=43) and performance was compared across age groups. From the age of 10-14m, Gambian infants obtained lower MSEL scores than US norms. Performance decreased with age and was lowest in the 20-24m old group. Differential onsets of reduced performance were observed in the individual MSEL domains, with declines in visual perception and motor performance detected as early at 10-14 months, while reduced language scores became evident after 15-19 months of age. Performance on the MSEL was significantly associated with measures of growth. This article is protected by copyright. All rights reserved. [Abstract copyright: This article is protected by copyright. All rights reserved.]


    Item Type: Article
    Keyword(s) / Subject(s): Cognitive Development, Global Mental Health, Growth, Infancy, Mullen Scales of Early Learning, The Gambia
    School: Birkbeck Faculties and Schools > Faculty of Science > School of Psychological Sciences
    SWORD Depositor: Mr Joe Tenant
    Depositing User: Mr Joe Tenant
    Date Deposited: 18 Mar 2019 09:33
    Last Modified: 02 Aug 2023 17:49


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