Infants' home auditory environment: Background sounds shape language interactions.

IF 3.1 2区心理学 Q2 PSYCHOLOGY, DEVELOPMENTAL Developmental Psychology Pub Date : 2024-12-01 Epub Date: 2024-09-26 DOI:10.1037/dev0001762

Catalina Suarez-Rivera, Katelyn K Fletcher, Catherine S Tamis-LeMonda

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Abstract

Background sounds at home-namely those from television, communication devices, music, appliances, transportation, and construction-can support or impede infant language interactions and learning. Yet real-time connections at home between background sound and infant-caregiver language interactions remain unexamined. We quantified background sounds in the home environment, from 1- to 2-hr video recordings of infant-mother everyday activities (infants aged 8-26 months, 36 female) in two samples: European-American, English-speaking, middle-socioeconomic status (SES) families (N = 36) and Latine, Spanish-speaking, low-SES families (N = 40). From videos, we identified and coded five types of background sound: television/screens, communication devices, music, appliances, and transportation/construction. Exposure to background sounds varied enormously among homes and was stable across a week, with television/screens and music being the most dominant type of background sounds. Infants' vocalizations and mothers' speech to infants were reduced in the presence of background sound (although effect sizes were small), highlighting real-time processes that affect everyday language exchanges. Over the course of a day, infants in homes with high amounts of background sounds may hear and produce less language than infants in homes with less background sounds, highlighting potential cascading influences from environmental features to everyday interactions to language learning. (PsycInfo Database Record (c) 2024 APA, all rights reserved).

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婴儿的家庭听觉环境：背景声音影响语言互动

家中的背景声音，即来自电视、通讯设备、音乐、电器、交通和建筑的声音，可以支持或阻碍婴儿的语言互动和学习。然而，家庭背景声音与婴儿-照顾者语言互动之间的实时联系仍未得到研究。我们通过对两个样本（8-26 个月大的婴儿，36 名女性）进行 1 到 2 小时的婴儿-母亲日常活动视频记录，对家庭环境中的背景声音进行了量化：两个样本：讲英语、社会经济地位中等的欧美家庭（36 人）和讲西班牙语、社会经济地位低的拉丁家庭（40 人）。通过视频，我们确定了五种背景声音并进行了编码：电视/屏幕、通讯设备、音乐、电器和交通/建筑。不同家庭所接触到的背景声音差异很大，但在一周内保持稳定，电视/屏幕和音乐是最主要的背景声音类型。在有背景声音的情况下，婴儿的发声和母亲对婴儿的讲话都会减少（尽管影响大小很小），这突出了影响日常语言交流的实时过程。在一天的时间里，背景声音较多的家庭中的婴儿可能比背景声音较少的家庭中的婴儿听到和产生的语言更少，这凸显了从环境特征到日常互动再到语言学习的潜在连带影响。(PsycInfo Database Record (c) 2024 APA, 版权所有）。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Developmental Psychology PSYCHOLOGY, DEVELOPMENTAL-

CiteScore

5.80

自引率

2.50%

发文量

329

期刊介绍： Developmental Psychology ® publishes articles that significantly advance knowledge and theory about development across the life span. The journal focuses on seminal empirical contributions. The journal occasionally publishes exceptionally strong scholarly reviews and theoretical or methodological articles. Studies of any aspect of psychological development are appropriate, as are studies of the biological, social, and cultural factors that affect development. The journal welcomes not only laboratory-based experimental studies but studies employing other rigorous methodologies, such as ethnographies, field research, and secondary analyses of large data sets. We especially seek submissions in new areas of inquiry and submissions that will address contradictory findings or controversies in the field as well as the generalizability of extant findings in new populations. Although most articles in this journal address human development, studies of other species are appropriate if they have important implications for human development. Submissions can consist of single manuscripts, proposed sections, or short reports.