Adaptive Functioning Development in Infants With Agenesis of the Corpus Callosum.
Lauren D Haisley1, Lana Hantzsch2, Aaron R Glick2
1Department of Pediatrics, Medical School, University of Minnesota, Minneapolis, Minnesota.
Pediatrics
|April 1, 2025
Summary
Children with agenesis of the corpus callosum (ACC) show early delays in communication and motor skills. Early intervention is crucial, potentially leveraging social strengths.
Area of Science:
- Neuroscience
- Developmental Pediatrics
- Genetics
Background:
- Agenesis of the corpus callosum (ACC) is a frequent congenital brain malformation.
- Early development in ACC is understudied, despite links to developmental delays and autism.
- This study investigates adaptive functioning in infants with ACC.
Purpose of the Study:
- To compare adaptive functioning in infants/toddlers with isolated ACC.
- To compare ACC development against other neurodevelopmental conditions and typical development.
Main Methods:
- Prospective longitudinal study using Vineland Adaptive Behavior Scale.
- Parental interviews conducted at 6, 12, 18, and 24 months.
- Comparison groups: fragile X, Down syndrome, autism spectrum disorder, and typical development (N=957).
Main Results:
- By 24 months, 29% of children with ACC had delays in at least one domain.
- ACC group showed poorer communication (6 months), motor (12 months), and daily living (18 months) skills.
- Socialization skills were equivalent to typically developing children; stronger than genetic groups; weaker than the autism group.
Conclusions:
- ACC impacts communication by 6 months, motor by 12 months, and daily living by 18 months.
- Early, multipronged intervention programs are recommended for ACC.
- Leveraging early social skill strengths may benefit intervention strategies.
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