Bibliographic Details
| Title: |
EEG repetition and change detection responses in infancy predict adaptive functioning in preschool age: a longitudinal study. |
| Authors: |
Deguire, Florence, López-Arango, Gabriela, Knoth, Inga Sophia, Côté, Valérie, Agbogba, Kristian, Lippé, Sarah |
| Source: |
Scientific Reports; 6/20/2023, Vol. 13 Issue 1, p1-12, 12p |
| Subject Terms: |
LONGITUDINAL method, NEURAL development, INFANTS, TIME-frequency analysis, MEDICAL screening, WEIGHT in infancy, WAKEFULNESS |
| Abstract: |
Neurodevelopmental disorders (NDDs) are mostly diagnosed around the age of 4–5 years, which is too late considering that the brain is most susceptive to interventions during the first two years of life. Currently, diagnosis of NDDs is based on observed behaviors and symptoms, but identification of objective biomarkers would allow for earlier screening. In this longitudinal study, we investigated the relationship between repetition and change detection responses measured using an EEG oddball task during the first year of life and at two years of age, and cognitive abilities and adaptive functioning during preschool years (4 years old). Identification of early biomarkers is challenging given that there is a lot of variability in developmental courses among young infants. Therefore, the second aim of this study is to assess whether brain growth is a factor of interindividual variability that influences repetition and change detection responses. To obtain variability in brain growth beyond the normative range, infants with macrocephaly were included in our sample. Thus, 43 normocephalic children and 20 macrocephalic children were tested. Cognitive abilities at preschool age were assessed with the WPPSI-IV and adaptive functioning was measured with the ABAS-II. Time–frequency analyses were conducted on the EEG data. Results indicated that repetition and change detection responses in the first year of life predict adaptive functioning at 4 years of age, independently of head circumference. Moreover, our findings suggested that brain growth explains variability in neural responses mostly in the first years of life, so that macrocephalic children did not display repetition suppression responses, while normocephalic children did. This longitudinal study demonstrates that the first year of life is an important period for the early screening of children at risk of developing NDDs. [ABSTRACT FROM AUTHOR] |
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| Database: |
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