Coarticulation patterns in children with developmental apraxia of speech.

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Title:	Coarticulation patterns in children with developmental apraxia of speech.
Author(s):	Nijland, L. ; Maassen, B.A.M. ; Meulen, S. van der; Gabreëls, F.J.M.; Kraaimaat, F.W. ; Schreuder, R.
Publication year:	2002
Source:	Clinical Linguistics & Phonetics, vol. 16, iss. 6, (2002), pp. 461-483
ISSN:	0269-9206
DOI:	http://dx.doi.org/10.1080/02699200210159103
Publication type:	Article / Letter to editor
Please use this identifier to cite or link to this item : https://hdl.handle.net/2066/187282
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Subject:	Disturbances of cerebral development in the young child. Hearing and Communication Disorders Psychological antecedents Cerebrale ontwikkelingsstoornissen bij het jonge kind Gehoor en communicatie Psychologische determinanten
Organization:	Medical Psychology Neurology Interfacultaire Werkgroep Taal en Spraak (IWTS)
Journal title:	Clinical Linguistics & Phonetics
Volume:	vol. 16
Issue:	iss. 6
Page start:	p. 461
Page end:	p. 483
Classification:	Asphyxia NeonatorumBrainBronchopulmonary DysplasiaCentral Nervous System DiseasesHemorrhagic Disease of NewbornInfant, Newborn, DiseasesInfant, Premature, DiseasesMicrocirculationNetherlandsNeurophysiologyRespiratory Distress Syndrome Body FluidsEarEmbryoGenetic TechniquesHeadImplants, ArtificialNeoplasms by Site (Non MeSH)Nervous System Physiology (Non MeSH) Adaptation, PsychologicalBehavioral MedicineCentral Nervous System DiseasesCommunicative DisordersMuscular DiseasesRenal Replacement TherapyRheumatic Diseases Medisch onderzoek, ziekenhuisbehandeling en chirurgieOverig medisch onderzoek
Abstract:	The aim of this study was to enhance our insight into the underlying deficit in developmental apraxia of speech (DAS). In particular, the involvement of planning and/or programming of speech movements in context was tested by analysing coarticulatory cohesion. For this purpose, second formant frequency measurements were conducted in repetitions of nonsense utterances ([[symbol: see text]] C = /s,x,b,d/; V = /i.a.u/), and compared across nine children with DAS, six normally speaking (NS) children and six adult women. The results showed both intra- and intersyllabic anticipatory coarticulation in NS children and adult women, in which the intersyllabic coarticulation was stronger in NS children than in adult women. The children with DAS showed more variability as compared to NS children, made, on average, less distinction between the vowels, and showed individually idiosyncratic coarticulation patterns. These results are discussed in the light of a delay as well as a deviance of speech development in children with DAS.