Early Caregiver Predictability Shapes Neural Indices of Statistical Learning Later in Infancy.
EEG
cognitive development
early experience
statistical learning
Journal
Developmental science
ISSN: 1467-7687
Titre abrégé: Dev Sci
Pays: England
ID NLM: 9814574
Informations de publication
Date de publication:
01 Oct 2024
01 Oct 2024
Historique:
revised:
10
09
2024
received:
11
04
2024
accepted:
12
09
2024
medline:
3
10
2024
pubmed:
3
10
2024
entrez:
1
10
2024
Statut:
aheadofprint
Résumé
Caregivers play an outsized role in shaping early life experiences and development, but we often lack mechanistic insight into how exactly caregiver behavior scaffolds the neurodevelopment of specific learning processes. Here, we capitalized on the fact that caregivers differ in how predictable their behavior is to ask if infants' early environmental input shapes their brains' later ability to learn about predictable information. As part of an ongoing longitudinal study in South Africa, we recorded naturalistic, dyadic interactions between 103 (46 females and 57 males) infants and their primary caregivers at 3-6 months of age, from which we calculated the predictability of caregivers' behavior, following caregiver vocalization and overall. When the same infants were 6-12-months-old they participated in an auditory statistical learning task during EEG. We found evidence of learning-related change in infants' neural responses to predictable information during the statistical learning task. The magnitude of statistical learning-related change in infants' EEG responses was associated with the predictability of their caregiver's vocalizations several months earlier, such that infants with more predictable caregiver vocalization patterns showed more evidence of statistical learning later in the first year of life. These results suggest that early experiences with caregiver predictability influence learning, providing support for the hypothesis that the neurodevelopment of core learning and memory systems is closely tied to infants' experiences during key developmental windows.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e13570Subventions
Organisme : Wellcome Trust
Pays : United Kingdom
Informations de copyright
© 2024 The Author(s). Developmental Science published by John Wiley & Sons Ltd.
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