Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/152036
Title: Brain hemispheres swap dominance for processing semantically meaningful pitch
Authors: Wang, Xiao-Dong
Xu, Hong
Yuan, Zhen
Luo, Hao
Wang, Ming
Li, Hua-Wei
Chen, Lin
Keywords: Social sciences::Psychology
Issue Date: 2021
Source: Wang, X., Xu, H., Yuan, Z., Luo, H., Wang, M., Li, H. & Chen, L. (2021). Brain hemispheres swap dominance for processing semantically meaningful pitch. Frontiers in Human Neuroscience, 15, 621677-. https://dx.doi.org/10.3389/fnhum.2021.621677
Journal: Frontiers in Human Neuroscience 
Abstract: The question of what determines brain laterality for auditory cognitive processing is unresolved. Here, we demonstrate a swap of hemisphere dominance from right to left during semantic interpretation of Chinese lexical tones in native speakers using simultaneously recorded mismatch negativity response and behavioral reaction time during dichotic listening judgment. The mismatch negativity, which is a brain wave response and indexes auditory processing at an early stage, indicated right hemisphere dominance. In contrast, the behavioral reaction time, which reflects auditory processing at a later stage, indicated a right ear listening advantage, or left hemisphere dominance. The observed swap of hemisphere dominance would not occur when the lexical tone was substituted with a meaningless pure tone. This swap reveals dependence of hemisphere labor division initially on acoustic and then on functional cues of auditory inputs in the processing from sound to meaning.
URI: https://hdl.handle.net/10356/152036
ISSN: 1662-5161
DOI: 10.3389/fnhum.2021.621677
Schools: School of Social Sciences 
Rights: © 2021 Wang, Xu, Yuan, Luo, Wang, Li and Chen. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SSS Journal Articles

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