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Related Experiment Video

Updated: Jan 15, 2026

Examining Online Syntactic Processing of Spoken Complex Sentences in Chinese Using Dual-Modal Interference Tasks

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Atypical Lateralization to Amplitude Modulation in Chinese Adults With Reading Difficulty History.

Yao Jia^1,2, Yueye Zhao¹, Jianyi Liu^1,3

¹School of Psychology, Shaanxi Normal University, and Shaanxi Provincial Key Laboratory of Behavior and Cognitive Neuroscience, Xi'an, China.

Ear and Hearing

|October 13, 2025

Summary

Adults with a history of reading difficulties show atypical rightward gamma band lateralization in auditory processing, unlike typical leftward patterns. This neural difference is linked to poorer reading and phonological skills, suggesting shared mechanisms across languages.

Keywords:

Auditory processing Chinese adults Event-related spectral perturbation Lateralization Reading difficulty history

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Last Updated: Jan 15, 2026

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Published on: September 5, 2019

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Published on: April 1, 2016

Area of Science:

Neuroscience
Cognitive Science
Linguistics

Background:

Auditory processing and neural oscillation lateralization are crucial for phonological representation.
Atypical auditory processing lateralization is linked to reading impairments in alphabetic languages.
The neural basis of reading difficulty in Chinese, particularly auditory lateralization, remains under-investigated.

Purpose of the Study:

To investigate atypical auditory processing lateralization in Chinese adults with a history of reading difficulty (RD).
To compare neural oscillation patterns during auditory sampling between adults with and without RD history.
To explore the relationship between auditory lateralization and reading/phonological skills in Chinese adults.

Main Methods:

Participants included 32 adults with RD history and 44 controls, screened via the Chinese Adult Reading History Questionnaire.
Reading accuracy, phonological accuracy, and rapid automatized naming (RAN) were assessed.
Auditory steady-state responses (10-80 Hz) were recorded, analyzing time-frequency power and phase synchrony of beta and gamma oscillations.

Main Results:

Adults with RD history exhibited poorer reading and phonological accuracy compared to controls.
Atypical rightward gamma band lateralization was observed in adults with RD history, contrasting with leftward lateralization in controls.
Reduced left-hemisphere oscillatory power and weaker bilateral synchrony were found in adults with RD history, correlating with reading and phonological measures.

Conclusions:

Adults with RD history demonstrate atypical rightward gamma band lateralization and reduced left-hemisphere neural activity.
These auditory processing differences are associated with impaired reading and phonological skills in Chinese adults.
Findings suggest that auditory lateralization deficits contribute to phonological processing challenges, similar to those seen in alphabetic language readers.