How the brain segments experience: ERP evidence of event boundaries enhancing memory formation in narratives.

Cogn Affect Behav Neurosci · 2026 · PMC13260117 · PMID 41840178

Europe PMC DOI

hedged sentences

0.0600

closest p · 1.2× alpha

0.1000

boldest claim

The sentences

marginally significantp =.06so close (0.05 < p ≤ 0.1)

N400 time window The analysis of mean amplitude in the 411–561 ms (N400) time window revealed a marginally significant effect of event boundary ( F (1, 39) = 3.62, p =.06, η p 2 = 0.10), and a significant interaction between event boundary, AP and memory ( F (1, 34) = 11.26, p = 0.002, η p 2 = 0.25).

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did not reach statistical significancep =.1so close (0.05 < p ≤ 0.1)

In the no-event boundary condition, the difference between later-remembered and forgotten critical words did not reach statistical significance, t (39) = 1.62, p =.1, d = 0.26 (hits – M = − 1.05, SEM = 0.22; misses – M = − 1.85, SEM = 0.47). 561–761 ms and 761–961 ms time windows No significant main effects or interactions involving memory and/or event boundary were found as all p -values >.10.

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