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Vocabulary

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Encyclopedia of Evolutionary Psychological Science
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Synonyms

Lexicon; Mental lexicon

Definition

Vocabulary is the sum of all words that speakers can use in their speech (productive vocabulary) or comprehend when they are used by other speakers (receptive vocabulary).

Introduction

A child acquiring the lexicon of her language has two main tasks to master: (i) she has to isolate the words in a continuous speech stream and (ii) she has to map the words onto their meanings. First the research on how children segment the speech stream will be introduced, followed by a discussion of how children start assigning meanings to words.

Finding Words in Speech

It is almost impossible to recover word boundaries in fluent speech if one does not already know the words, as anyone who listened to a stretch of talk in an unfamiliar language will agree. But as all normally developing children eventually acquire the vocabulary of their language, it becomes worthwhile to ask how they set about finding words. Acquisition research has so far managed to...

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Correspondence to Simge Topaloğlu .

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Topaloğlu, S. (2017). Vocabulary. In: Shackelford, T., Weekes-Shackelford, V. (eds) Encyclopedia of Evolutionary Psychological Science. Springer, Cham. https://doi.org/10.1007/978-3-319-16999-6_2414-1

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  • DOI: https://doi.org/10.1007/978-3-319-16999-6_2414-1

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