Anterior and Posterior ERP Rhyming Effects in 3- to 5-year-old Children

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During early literacy skills development, rhyming is an important indicator of the phonological precursors required for
reading. To determine if neural signatures of rhyming are apparent in early childhood, we recorded event-related
potentials (ERPs) from 3- to 5-year-old, preliterate children (N = 62) in an auditory prime-target nonword rhyming
paradigm (e.g., bly-gry, blane-vox). Overall, nonrhyming targets elicited a larger negativity (N450) than rhyming targets
over posterior regions. In contrast, rhyming targets elicited a larger negativity than nonrhyming targets over frontolateral
sites. The amplitude of the two rhyming effects was correlated, such that a larger posterior effect occurred with
a smaller anterior effect. To determine whether these neural signatures of rhyming related to phonological awareness,
we divided the children into two groups based on phonological awareness scores while controlling for age and
socioeconomic status. The posterior rhyming effect was stronger and more widely distributed in the group with better
phonological awareness, whereas differences between groups for the anterior effect were small and not significant.
This pattern of results suggests that the rhyme processes indexed by the anterior effect are developmental precursors
to those indexed by the posterior effect. Overall, these findings demonstrate early establishment of distributed
neurocognitive networks for rhyme processing.


Enheter & grupper
Externa organisationer
  • University of Massachusetts
  • Dartmouth College
  • University of Oregon

Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Jämförande språkvetenskap och lingvistik
Sidor (från-till)178-190
Antal sidor13
TidskriftDevelopmental Cognitive Neuroscience
StatusPublished - 2018 apr
Peer review utfördJa

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