The link between non-human primate vocalizations and cognition is not constrained by maturation alone: Evidence from healthy preterm infants

IF 2.8 1区 心理学 Q1 PSYCHOLOGY, EXPERIMENTAL Cognition Pub Date : 2024-07-18 DOI:10.1016/j.cognition.2024.105886
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Abstract

To acquire language, infants must not only identify the signals of their language(s), but also discover how these signals are connected to meaning. By 3 months of age, infants' native language, non-native languages, and vocalizations of non-human primates support infants' formation of object categories—a building block of cognition. But by 6 months, only the native language exerts this cognitive advantage. Prior work with preterm infants indicates that maturation constrains this developing link between the native language and cognition. Here, we assess whether maturation exerts similar constraints on the influence of non-human primate vocalizations on infant categorization. Cross-sectional growth curve analyses of new data from preterm infants and extant data from fullterm infants indicate that developmental tuning of this signal's influence on categorization is best predicted by infants' chronological age, and not gestational status. This evidence, together with prior work, suggests that as infants tune the initially broad set of signals that support early cognition, they are guided by two independent processes: maturation constrains the expression of a link between their native language and cognition, while the influence of non-linguistic signals are guided by other factors, such as postnatal age and experience.

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非人灵长类动物的发声与认知之间的联系并不仅仅受限于成熟度:来自健康早产儿的证据
要掌握语言,婴儿不仅要识别其语言的信号,还要发现这些信号是如何与意义相联系的。3 个月大时,婴儿的母语、非母语和非人灵长类动物的发声都有助于婴儿形成对象类别--认知的基石。但到 6 个月大时,只有母语才能发挥这种认知优势。之前对早产儿的研究表明,成熟会制约母语与认知之间的这种联系。在此,我们评估了成熟是否会对非人灵长类发声对婴儿分类的影响产生类似的限制。对早产儿的新数据和足月儿的现有数据进行的横截面生长曲线分析表明,婴儿的实际年龄而不是胎龄最能预测非人灵长类发声对分类的影响。这一证据以及之前的研究表明,当婴儿调整最初支持早期认知的一系列信号时,他们受到两个独立过程的引导:成熟限制了其母语与认知之间联系的表达,而非语言信号的影响则受到其他因素的引导,如出生后的年龄和经验。
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来源期刊
Cognition
Cognition PSYCHOLOGY, EXPERIMENTAL-
CiteScore
6.40
自引率
5.90%
发文量
283
期刊介绍: Cognition is an international journal that publishes theoretical and experimental papers on the study of the mind. It covers a wide variety of subjects concerning all the different aspects of cognition, ranging from biological and experimental studies to formal analysis. Contributions from the fields of psychology, neuroscience, linguistics, computer science, mathematics, ethology and philosophy are welcome in this journal provided that they have some bearing on the functioning of the mind. In addition, the journal serves as a forum for discussion of social and political aspects of cognitive science.
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