Developmental trajectories of EEG aperiodic and periodic components in children 2–44 months of age

By C. Wilkinson, L. Yankowitz, J. Chao, Rodrigo Gutiérrez, Jeffrey L. Rhoades, S. Shinnar, Patrick L. Purdon, Charles A. Nelson. 2024

Subfields: Developmental Neuroscience

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In Developmental Neuroscience

C. Wilkinson

Citations in the corpus

Characterization of aperiodic and theta activity in preterm infants using EEG: Insights into cerebral maturation and inter-individual variability (2026, unknown): “Within infancy, the exponent is shown to increase between 2 and 8 months with slower changes thereafter (Wilkinson et al., 2024).”
Relating ADHD to the aperiodic component of the EEG signal in both males and females across development (2026, unknown): “Sex differences in aperiodic activity may be one source of heterogeneity, which has been explored in only a few previous studies (Ford et al., 2025; McSweeney et al., 2021; Wilkinson et al., 2024).”
The Interaction between Sleep and Development on Wake EEG Oscillations (2026, unknown): “Wilkinson et al. (2024) found an increase with age in both offsets and exponents across 0 – 3-year-old infants, and McSweeney et al. (2023) found a quadratic relationship between age and offsets/exponents, such that they peaked at 5 – 7 years old (see also Antúnez et al., 2025).”
Resting-state periodic and aperiodic brain oscillations from birth to preschool years: Aperiodic maturity predicts developmental course (2026, unknown): “…on command, and as a result almost all infant/toddler RS studies acquire data while the child is at rest with eyes open, often while viewing visual stimuli (Stroganova et al., 1999; Carter Leno, 2021; Schaworonkow and Voytek, 2021; Karalunas, 2022; Favaro, 2023; Vandewouw, 2024; Wilkinson, 2024).”
A human electrophysiological signature of Fragile X pathophysiology is shared in V1 of Fmr1-/y mice (2026, unknown): “This issue was resolved previously by shifting the ﬁ t downwards (changing the y-intercept but not the slope) until there was no more negative periodic power 50 .”
Resting state aperiodic and periodic EEG activity in preschool-aged autistic children: differences from neurotypical peers and links to language skills (2026, unknown): “SpecParam was modified to better fit the data in the study (see [51] Supplemental Figs.”
Income insufficiency impacts early brain development in infants facing increased psychosocial adversity: A network-based approach (2026, unknown): “Empirical evidence suggests that aperiodic offset increases markedly during early infancy and closely tracks age throughout the first years of life (26 , 41).”
Lifespan Trajectories of Alpha Rhythm: Dynamic Shifts in Neural Excitation-Inhibition Balance (2025, unknown): “Alpha rhythm naturally follows specific patterns with age 52–54 , but sex is also an important variable that needs to be considered 55–59 .”
Longitudinal trajectories of aperiodic EEG activity in early to middle childhood (2024, methodology): “Wilkinson et al. (2024) also reported significant sex effects in aperiodic activity in their study from infancy to 3 years.”
Alterations in aperiodic and periodic EEG activity in young children with Down syndrome (2024, unknown): “However by 6-months-old, the majority of infants display a single peak, usually in the theta range that then increased in frequency with age (Wilkinson et al., 2024a), such that by age 36 months, the dominant peak frequency falls in the alpha range (~9 Hz).”