Environmental noise, brain structure, and language development in children

被引:1
作者
Simon, Katrina R. [1 ]
Merz, Emily C. [2 ]
He, Xiaofu [3 ,4 ]
Noble, Kimberly G. [1 ,5 ]
机构
[1] Columbia Univ, Teachers Coll, Dept Human Dev, New York, NY 10027 USA
[2] Colorado State Univ, Dept Psychol, Ft Collins, CO 80523 USA
[3] Columbia Univ, Vagelos Coll Phys & Surg, Dept Psychiat, New York, NY USA
[4] New York State Psychiat Inst & Hosp, New York, NY 10032 USA
[5] Columbia Univ, Teachers Coll, Dept Biobehav Sci, New York, NY 10027 USA
基金
美国国家卫生研究院;
关键词
Child development; Noise; MRI; Language; Brain; HUMAN CEREBRAL-CORTEX; LONG-TERM EXPOSURE; SCHOOL-CHILDREN; AIRCRAFT NOISE; SELECTIVE ATTENTION; CORTICAL THICKNESS; SPEECH; STRESS; ACQUISITION; PERFORMANCE;
D O I
10.1016/j.bl.2022.105112
中图分类号
R36 [病理学]; R76 [耳鼻咽喉科学];
学科分类号
100104 ; 100213 ;
摘要
While excessive noise exposure in childhood has been associated with reduced language ability, few studies have examined potential underlying neurobiological mechanisms that may account for noise-related differences in language skills. In this study, we tested the hypotheses that higher everyday noise exposure would be associated with 1) poorer language skills and 2) differences in language-related cortical structure. A socioeconomically diverse sample of children aged 5-9 (N = 94) completed standardized language assessments. High-resolution T1- weighted magnetic resonance imaging (MRI) scans were acquired, and surface area and cortical thickness of the left inferior frontal gyrus (IFG) and left superior temporal gyrus (STG) were extracted. Language Environmental Analysis (LENA) was used to measure levels of exposure to excessive environmental noise over the course of a typical day (n = 43 with complete LENA, MRI, and behavioral data). Results indicated that children exposed to excessive levels of noise exhibited reduced cortical thickness in the left IFG. These findings add to a growing literature that explores the extent to which home environmental factors, such as environmental noise, are associated with neurobiological development related to language development in children.
引用
收藏
页数:9
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