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. 2024 Feb:69:101161.
doi: 10.1016/j.jneuroling.2023.101161. Epub 2023 Aug 24.

Event Related Potentials to Native Speech Contrasts Predicts Word Reading Abilities in Early School-Aged Children

Vanessa Harwood  1 , Adrian Garcia-Sierra  2 , Raphael Diaz  1 , Emily Jelfs  1 , Alisa Baron  1
Affiliations

Event Related Potentials to Native Speech Contrasts Predicts Word Reading Abilities in Early School-Aged Children

Vanessa Harwood et al. J Neurolinguistics. 2024 Feb.

Abstract

Speech perception skills have been implicated in the development of phoneme-grapheme correspondence, yet the exact nature of speech perception and word reading ability remains unknown. We investigate phonological sensitivity to native (English) and nonnative (Spanish) speech syllables within an auditory oddball paradigm using event related potentials (ERPs) collected from lateral temporal electrode sites in 33 monolingual English-speaking children aged 6-8 years (N=33). We further explore the relationship between ERPs to English word reading abilities for this group. Results revealed that language stimuli (English, Spanish), ERP condition (standard, deviant), and hemisphere (left, right) all influenced the lateral N1 component. ERPs recorded from deviant English stimuli were significantly more negative within the left hemisphere compared to all other recorded ERPs. Mean amplitude differences within the N1 in left lateral electrode sites recorded in response to English phoneme contrasts significantly predicted English word reading abilities within this sample. Results indicate that speech perception of native contrasts recorded in left temporal electrode sites for the N1 component are linked to English word reading abilities in early school-aged children.

Keywords: children; event-related potentials; phonological processing; reading; speech perception.

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Figures

Figure 1.
Figure 1.
Electrode montage for the N1 component in both Left and Right Temporal Clusters
Figure 2.
Figure 2.
Waveforms for English stimuli within left temporal (T7, T9) and right temporal (T8, T10) clusters and distributed within the 10-20 montage
Figure 3.
Figure 3.
Grand average ERP Waveforms within the Left and Right Temporal Clusters for English and Spanish N1 components for standard, deviant and difference waves
Figure 4.
Figure 4.
Regression model with life of best fit demonstrating relationship between the difference wave of the N1 recorded from English stimuli in left temporal cluster and age, with DIBELS Total Score
See this image and copyright information in PMC

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