Theta activity as a marker of cognitive development in infancy: A longitudinal study across the first two years of life.

Dev Cogn Neurosci · 2025 · PMC12793793 · PMID 41202373

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hedged sentences

0.0420

closest p · 0.8× alpha

0.0580

boldest claim

The sentences

marginally significantp = 0.042actually significant

The best-fitting model predicting the Bayley-III Cognitive Index included theta modulation index at 6 months , absolute theta power at 6 months, and age at outcome as predictors (F(3, 55) = 2.92), and was marginally significant (p = 0.042), explaining 13.7 % of the variance in the dependent variable (R 2 = 0.137, adjusted R 2 = 0.090).

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marginally non-significantp = 0.058so close (0.05 < p ≤ 0.1)

Theta modulation index at 6 months , was a marginally non-significant positive predictor of the Bayley-III Cognitive Index scores (standardized β = 0.24, 95 % CI [-0.01, 0.49], t = 1.929, p = 0.058).

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