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Chinese-English bilinguals are more sensitive to environmental sound perception than Spanish-English bilinguals through top-down cognitive mechanism

失配负性 心理学 多语种神经科学 感知 认知 声音感知 认知心理学 语言学 听力学 脑电图 医学 精神科 哲学 神经科学
作者
Cuicui Wang,Krystal Flemming,Giulia Cortiana,Vesa Putkinen,Jessica Lammert,Yasaman Rafat,Sha Tao,Marc F. Joanisse
出处
期刊:Biological Psychology [Elsevier]
卷期号:175: 108449-108449
标识
DOI:10.1016/j.biopsycho.2022.108449
摘要

Sensitive perception to environmental sound is important for an individual's daily life since it helps in responding to the environment quickly and avoiding potential risks. It remains unclear, however, whether and how bilingual experiences with different native language backgrounds influence brain responses reflecting environmental sound perception. The present study compared Chinese-English bilinguals, Spanish-English bilinguals, and English monolinguals on their brain response to environmental sound perception and further examined its processing mechanism. The present study did not find the differences between English monolinguals and two bilingual groups on the environmental sound perception. However, we found that compared with Spanish-English bilinguals, Chinese-English bilinguals showed significantly larger mismatch negativity (MMN), indicating that Chinese-English bilinguals were more sensitive to the environmental sounds than that of Spanish-English bilinguals. Further, compared with Spanish-English bilinguals, Chinese-English bilinguals showed significantly larger theta oscillation. In addition, the theta oscillation is significantly correlated with MMN for Chinese-English bilinguals. The results indicated that the advantage of Chinese-English bilingual experience on environmental sound perception may be due to the enhanced top-down cognitive ability. In summary, these findings suggest that compared with the Spanish-English bilinguals, Chinese-English bilinguals showed an advantage in environmental sound perception via enhanced top-down cognitive modulation.
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