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This study examines how brain organization during infancy is influenced by age and temperament.

April 4, 2026Developmental Neuropsychology0 citations

Network Analysis of Baseline EEG in 6- to 12-Month-Old Infants: Relations with Age and Temperament

Key Points

This study examines how brain organization during infancy is influenced by age and temperament.
Conducted a network analysis on baseline EEG from infants aged 6 to 12 months.
Measured clustering coefficient and characteristic path length in the alpha band (6-9 Hz).
Analyzed relationships between EEG metrics and age along with temperament dimensions.
Clustering coefficient increased with age, indicating more segregation in brain connectivity.
Characteristic path length decreased with age, reflecting greater integration in brain networks.
Higher levels of regulatory capacity correlated with decreased clustering coefficient and increased path length.

Abstract

Network analysis describes communication within complex systems like the brain. We used network analysis to study the emerging organization of the brain during infancy and how it relates to age and temperament dimensions. Baseline EEG was recorded from 6- to 12-month-old infants (N = 77). We examined network measures of clustering coefficient (segregation) and characteristic path length (integration) in the 6-9-Hz alpha band. Clustering coefficient increased (more segregation) and characteristic path length decreased (more integration) with age. Clustering coefficient decreased (less segregation) and characteristic path length increased (less integration) in relation to higher levels of regulatory capacity/orienting.

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