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Selectivity of N170 in the left hemisphere as an electrophysiological marker for expertise in reading Chinese

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Názov: Selectivity of N170 in the left hemisphere as an electrophysiological marker for expertise in reading Chinese
Autori: Zhao, Jing, Li, Su, Lin, Si-En, Cao, Xiao-Hua, He, Sheng, Weng, Xu-Chu, Weng, XC (reprint author), Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Beijing 100101, Peoples R China.
Zdroj: Neuroscience Bulletin. 28:577-584
Informácie o vydavateľovi: Springer Science and Business Media LLC, 2012.
Rok vydania: 2012
Predmety: Cognitive Psychology,Physiological Psychology/biological Psychology, Male, 05 social sciences, Multilingualism, left-lateralization, Functional Laterality, Young Adult, 03 medical and health sciences, 0302 clinical medicine, N170, Pattern Recognition, Visual, Reading, Reaction Time, Chinese character, Humans, Female, 0501 psychology and cognitive sciences, Photic Stimulation, Psychomotor Performance, Language
Popis: The left-lateralized N170, an event-related potential component consistently shown in response to alphabetic words, is a robust electrophysiological marker for reading expertise in an alphabetic language. In contrast, such a marker is lacking for expertise in reading Chinese, because the existing results about the lateralization of N170 for Chinese characters are mixed, reflecting complicated factors such as top-down modulation that contribute to the relative magnitudes of N170 in the left and right hemispheres. The present study aimed to explore a potential electrophysiological marker for reading expertise in Chinese with minimal top-down influence.We recorded N170 responses to Chinese characters and three kinds of control stimuli in a content-irrelevant task, minimizing potential top-down effects.Direct comparison of the N170 amplitude in response to Chinese characters between the hemispheres showed a marginally significant left-lateralization effect. However, detailed analyses of N170 in each hemisphere revealed a more robust pattern of left-lateralization - the N170 in the left but not the right hemisphere differentiated Chinese characters from control stimuli.These results suggest that the selectivity of N170 (a greater N170 in response to Chinese characters than to control stimuli) within the left hemisphere rather than the hemispheric difference of N170 with regard to Chinese characters is an electrophysiological marker for expertise in reading Chinese.
Druh dokumentu: Article
Jazyk: English
ISSN: 1995-8218
1673-7067
DOI: 10.1007/s12264-012-1274-y
Prístupová URL adresa: https://europepmc.org/articles/pmc5561926?pdf=render
https://pubmed.ncbi.nlm.nih.gov/23054635
https://core.ac.uk/display/71637640
https://experts.umn.edu/en/publications/selectivity-of-n170-in-the-left-hemisphere-as-an-electrophysiolog
https://pubmed.ncbi.nlm.nih.gov/23054635/
https://link.springer.com/article/10.1007/s12264-012-1274-y
http://ir.psych.ac.cn/handle/311026/13257
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5561926
Rights: Springer TDM
Prístupové číslo: edsair.doi.dedup.....500a12f94afce46d87d1b0c80512c296
Databáza: OpenAIRE
Popis
Abstrakt:The left-lateralized N170, an event-related potential component consistently shown in response to alphabetic words, is a robust electrophysiological marker for reading expertise in an alphabetic language. In contrast, such a marker is lacking for expertise in reading Chinese, because the existing results about the lateralization of N170 for Chinese characters are mixed, reflecting complicated factors such as top-down modulation that contribute to the relative magnitudes of N170 in the left and right hemispheres. The present study aimed to explore a potential electrophysiological marker for reading expertise in Chinese with minimal top-down influence.We recorded N170 responses to Chinese characters and three kinds of control stimuli in a content-irrelevant task, minimizing potential top-down effects.Direct comparison of the N170 amplitude in response to Chinese characters between the hemispheres showed a marginally significant left-lateralization effect. However, detailed analyses of N170 in each hemisphere revealed a more robust pattern of left-lateralization - the N170 in the left but not the right hemisphere differentiated Chinese characters from control stimuli.These results suggest that the selectivity of N170 (a greater N170 in response to Chinese characters than to control stimuli) within the left hemisphere rather than the hemispheric difference of N170 with regard to Chinese characters is an electrophysiological marker for expertise in reading Chinese.
ISSN:19958218
16737067
DOI:10.1007/s12264-012-1274-y