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Abnormal head circumference in learning-disabled children

R D Smith

    Developmental Medicine and Child Neurology
    |October 1, 1981
    PubMed
    Summary
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    Children with learning disabilities show a higher prevalence of abnormal head circumferences, including macrocephaly and microcephaly. This suggests head circumference measurement could help identify at-risk preschoolers.

    Area of Science:

    • Neurodevelopmental disorders
    • Pediatric neurology
    • Human genetics

    Background:

    • Learning disabilities affect a significant portion of the pediatric population.
    • Head circumference abnormalities have been anecdotally linked to developmental issues.

    Purpose of the Study:

    • To investigate the prevalence of abnormal head circumferences in children with learning disabilities.
    • To compare head circumference measurements between learning-disabled children and a matched control group.

    Main Methods:

    • A comparative study design was employed.
    • Head circumferences of 73 learning-disabled children were measured.
    • Measurements were compared to a matched control group of 71 children.

    Main Results:

    Related Experiment Videos

    • Macrocephaly (enlarged head circumference) was observed in 8 learning-disabled children versus 3 controls.
    • Microcephaly (small head circumference) was present in 7 learning-disabled children versus 0 controls.
    • Abnormal head circumferences were noted in 9 learning-disabled males compared to 3 control males.

    Conclusions:

    • There is an increased prevalence of both macrocephaly and microcephaly in children with learning disabilities.
    • Accurate head circumference measurements should be included in future studies of children with learning disabilities.
    • Abnormal head circumference may serve as an early indicator for identifying at-risk preschool children.