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German-learning infants' ability to detect unstressed closed-class elements in continuous speech
(2003)
How do children determine the syntactic category of novel words? In this article we present the results of 2 experiments that investigated whether German children between 12 and 16 months of age can use distributional knowledge that determiners precede nouns and subject pronouns precede verbs to syntactically categorize adjacent novel words. Evidence from the head-turn preference paradigm shows that, although 12- to 13-month-olds cannot do this, 14- to 16- month-olds are able to use a determiner to categorize a following novel word as a noun. In contrast, no categorization effect was found for a novel word following a subject pronoun. To understand this difference we analyzed adult child- directed speech. This analysis showed that there are in fact stronger co-occurrence relations between determiners and nouns than between subject pronouns and verbs. Thus, in German determiners may be more reliable Cues to the syntactic category of an adjacent novel word than are subject pronouns. We propose that the capacity to syntactically categorize novel words, demonstrated here for the first time in children this young, mediates between the recognition of the specific morphosyntactic frame in which a novel word appears and the word-to-world mapping that is needed to build up a semantic representation for the novel word
How do children determine the syntactic category of novel words? In this article we present the results of 2 experiments that investigated whether German children between 12 and 16 months of age can use distributional knowledge that determiners precede nouns and subject pronouns precede verbs to syntactically categorize adjacent novel words. Evidence from the head-turn preference paradigm shows that, although 12- to 13-month-olds cannot do this, 14- to 16-month-olds are able to use a determiner to categorize a following novel word as a noun. In contrast, no categorization effect was found for a novel word following a subject pronoun. To understand this difference we analyzed adult child-directed speech. This analysis showed that there are in fact stronger co-occurrence relations between determiners and nouns than between subject pronouns and verbs. Thus, in German determiners may be more reliable cues to the syntactic category of an adjacent novel word than are subject pronouns. We propose that the capacity to syntactically categorize novel words, demonstrated here for the first time in children this young, mediates between the recognition of the specific morphosyntactic frame in which a novel word appears and the word-to-world mapping that is needed to build up a semantic representation for the novel word.
Die jüngere Forschung zum Spracherwerb hat gezeigt, dass sich schon in den ersten Äußerungen von Kindern bestimmte Strukturmerkmale der Sprache, die die Kinder lernen, zeigen, d.h., es gibt Bereiche, in denen im normalen Erwerb praktisch keine Fehler zu beobachten sind. Dies lässt den Schluss zu, dass die Kinder entsprechendes Wissen über die Zielsprache bereits erwerben, bevor sie entsprechende Äußerungen produzieren. Diese frühen Erwerbsschritte können in erster Linie über die Untersuchung der Sprachwahrnehmung untersucht werden. Solche Untersuchungen haben gezeigt, dass Kinder schon sehr früh gerade für prosodische Eigenschaften der Sprache sensitiv sind und dass sie diese Sensitivität unter anderem für die Erkennung von Wortgrenzen einsetzen. Die frühen Fähigkeiten zur Sprachwahrnehmung und -verarbeitung stehen offenbar in einem direkten Zusammenhang zur späteren lexikalischen und syntaktischen Entwicklung.