Language processing in breastfed infants at risk of thiamine deficiency benefits from maternal thiamine supplementation.

IF 3.1 2区心理学 Q2 PSYCHOLOGY, DEVELOPMENTAL

Developmental Psychology Pub Date : 2024-12-19 DOI:10.1037/dev0001829

Dare A Baldwin, Jeffrey Measelle, Lauren Gallivan, Anna Sanchirico, Netanel Weinstein, Anaahat Bala, Kathleen Chan, Jelisa Gallant, Mam Borath, Hou Kroeun, Frank T Wieringa, Tim J Green, Kyly C Whitfield

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引用次数: 0

Abstract

In a double-blind, randomized controlled trial, we investigated relationships between infants' exposure to thiamine and their language-processing ability. Three hundred thirty-five lactating Cambodian mothers of 161 female/174 male infants received either 0, 1.2, 2.4, or 10 mg of thiamine daily, from 2 to 24 weeks postpartum. We assessed infants' language processing at 24 weeks via the infant-directed speech (IDS) task, measuring attentional enhancement to IDS versus adult-directed speech. Maternal thiamine supplementation displayed a small but statistically significant dose-response relationship to the magnitude of infants' IDS-elicited attentional enhancement (adjusted R² = 0.022, p = .011). As well, only infants whose mothers received a daily thiamine supplement of 10 mg showed fully robust IDS-related attentional enhancement. These findings showcase the IDS Task for monitoring the integrity of infants' language processing and underscore the importance of adequate thiamine early in life for ensuring optimal language development. (PsycInfo Database Record (c) 2024 APA, all rights reserved).

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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.