Children's Development of Self-Regulation in Speech Production

Publication: Research - peer-reviewJournal article – Annual report year: 2012

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Species-specific vocalizations fall into two broad categories: those that emerge during maturation, independent of experience, and those that depend on early life interactions with conspecifics. Human language and the communication systems of a small number of other species, including songbirds, fall into this latter class of vocal learning. Self-monitoring has been assumed to play an important role in the vocal learning of speech [1–3] and studies demonstrate that perception of your own voice is crucial for both the development and lifelong maintenance of vocalizations in humans and songbirds [4–8]. Experimental modifications of auditory feedback can also change vocalizations in both humans and songbirds [9–13]. However, with the exception of large manipulations of timing [14, 15], no study to date has ever directly examined the use of auditory feedback in speech production under the age of 4. Here we use a real-time formant perturbation task [16] to compare the response of toddlers, children, and adults to altered feedback. Children and adults reacted to this manipulation by changing their vowels in a direction opposite to the perturbation. Surprisingly, toddlers' speech didn't change in response to altered feedback, suggesting that long-held assumptions regarding the role of self-perception in articulatory development need to be reconsidered.
Original languageEnglish
JournalCurrent Biology
Issue number2
Pages (from-to)113-117
StatePublished - 2012
CitationsWeb of Science® Times Cited: 30
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ID: 6511148