A study on coarticulatory resistance and aggressiveness for front lingual consonants and vowels using ultrasound

Recasens, Daniel; Rodríguez, Clara Inés López

doi:10.1016/j.wocn.2016.09.002

Cited by 44 publications

(24 citation statements)

References 25 publications

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“…In a previous ultrasound study on VCV coarticulation (Recasens and Rodríguez, 2016), we reported differences in degree of coarticulatory resistance for the same set…”

Section: Introductionmentioning

confidence: 94%

Lingual Articulation and Coarticulation for Catalan Consonants and Vowels: An Ultrasound Study

Recasens

Rodríguez²

2017

Phonetica

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Background: The study investigates the tongue position and coarticulatory characteristics of a subset of Catalan consonants and vowels using ultrasound. Method: Ultrasound data were recorded and analyzed for the Catalan front lingual consonants /t, d, n, l, ɾ, s, r, ʎ, ɲ, ʃ/ and vowels /i, e, a, o, u/ in symmetrical VCV sequences produced by 5 adult Catalan speakers. Results: Among other aspects, data show more tongue body fronting for palatal consonants and, among dentals and alveolars, for laminals than for apicals; the manner of articulation demands account for considerable tongue body retraction and predorsum lowering during the trill /r/ and for some tongue body retraction during /l/ next to front vowels. Vowel and consonant coarticulation occurs mostly in lingual regions which are not primarily involved in closure or constriction formation. Differences in the relative prominence of the anticipatory and carryover consonant-to-vowel effects in tongue body position were found to hold clearly for /r/ in all vowel contexts and for palatal consonants next to /a, o, u/. Conclusions: Place-dependent and manner-dependent articulatory characteristics for consonants and vowels account for the most relevant coarticulatory effects and may contribute to explain several sound change patterns.

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“…In a previous ultrasound study on VCV coarticulation (Recasens and Rodríguez, 2016), we reported differences in degree of coarticulatory resistance for the same set…”

Section: Introductionmentioning

confidence: 94%

Lingual Articulation and Coarticulation for Catalan Consonants and Vowels: An Ultrasound Study

Recasens

Rodríguez²

2017

Phonetica

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“…Second, following up on previous research (e.g.,[ 7 , 37 ]), this study employed measurements of the highest point on the tongue body to assess variation in the gestural organization of V-to-V coarticulation. While the approach to use a single point measure is certainly convenient for the investigation of large samples, it is not optimal for fine-grained distinctions between the subparts of the tongue (e.g., tongue root) as in studies considering the full tongue contour (e.g., [ 21 ]). However, it is important to acknowledge that the reliability of the latter approach highly depends on the quality of the tongue imaging at the two ends of the tongue contour (cf.…”

Section: Discussionmentioning

confidence: 99%

“…Finally, another influencing factor of particular interest for the current study is the nature of the intervocalic consonant. In measures of vowel anticipation during the preceding consonant itself (i.e., V-to-C-coarticulation), there are consistent effects of a consonant-specific property [ 2 , 21 , 22 ]: “coarticulatory resistance” [ 23 ] refers to how likely a segment’s articulatory gestures are to be coproduced with those of another. As conceptualized in the Degree of Articulatory Constraints model (DAC), the more the tongue dorsum is constrained during the production of a segment, the less likely this segment is to coarticulate with its neighbors [ 24 ].…”

Section: Introductionmentioning

confidence: 99%

“…Accordingly, labial consonants were shown to display lower coarticulatory resistance and therefore more lingual coarticulation with following vowels than alveolar consonants [ 22 , 25 , 26 ]. Palatal consonants like /ɲ/ on the other hand, put more constraints on the tongue dorsum and were found to be even more resistant to vocalic influences than alveolar consonants (e.g., [ 21 ]). However, velar consonants like /g/ display a rather low coarticulatory resistance despite of employing the tongue dorsum [ 2 ], because the location of tongue body contact with the palate is relatively flexible [ 27 ].…”

Section: Introductionmentioning

confidence: 99%

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On the development of gestural organization: A cross-sectional study of vowel-to-vowel anticipatory coarticulation

Rubertus¹,

Noiray²

2018

PLoS ONE

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In the first years of life, children differ greatly from adults in the temporal organization of their speech gestures in fluent language production. However, dissent remains as to the maturational direction of such organization. The present study sheds new light on this process by tracking the development of anticipatory vowel-to-vowel coarticulation in a cross-sectional investigation of 62 German children (from 3.5 to 7 years of age) and 13 adults. It focuses on gestures of the tongue, a complex organ whose spatiotemporal control is indispensable for speech production. The goal of the study was threefold: 1) investigate whether children as well as adults initiate the articulation for a target vowel in advance of its acoustic onset, 2) test if the identity of the intervocalic consonant matters and finally, 3) describe age-related developments of these lingual coarticulatory patterns. To achieve this goal, ultrasound tongue imaging was used to record lingual movements and quantify changes in coarticulation degree as a function of consonantal context and age. Results from linear mixed effects models indicate that like adults, children initiate vowels’ lingual gestures well ahead of their acoustic onset. Second, while the identity of the intervocalic consonant affects the degree of vocalic anticipation in adults, it does not in children at any age. Finally, the degree of vowel-to-vowel coarticulation is significantly higher in all cohorts of children than in adults. However, among children, a developmental decrease of vocalic coarticulation is only found for sequences including the alveolar stop /d/ which requires finer spatiotemporal coordination of the tongue’s subparts compared to labial and velar stops. Altogether, results suggest greater gestural overlap in child than in adult speech and support the view of a non-uniform and protracted maturation of lingual coarticulation calling for thorough considerations of the articulatory intricacies from which subtle developmental differences may originate.

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“…The remaining radius values were grouped into three regions: coronal, velar, and pharyngeal, with points to either side of the closure of velar stops (recorded for this purpose) corresponding to the coronalvelar and velar-pharyngeal boundaries, as illustrated in Figure 2. For a similar segmentation of the tongue, see [8]. Data preparation and statistical analysis were done in R [9].…”

Section: Annotation and Analysismentioning

confidence: 99%

An Ultrasound Study of Gemination in Coronal Stops in Eastern Oromo

Percival¹,

Kochetov²,

Kang³

2018

Interspeech 2018

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This study extends the use of ultrasound methodology to stops in Eastern Oromo (Cushitic; Ethiopia) to examine the link between gemination, laryngeal features, and tongue shape.Ultrasound data were collected from 5 native speakers of Eastern Oromo. Tokens consisted of 12 repetitions per speaker of [t h , t, d, â] and six of [tt h , tt, dd, ââ] in the environment of a a. Tongue images at the point of maximum constriction during the stop closure were traced following [1] and their coordinates submitted to linear mixed effects models.Results indicated differences in tongue shape between singletons and geminates, especially for ejectives and implosives. Singleton ejectives displayed raised tongue bodies not found in geminate ejectives. Singleton implosives resembled voiceless stops, but geminate implosives were variably produced with tongue body raising.I suggest that the results can be attributed to fortition in geminates. Tongue body raising in singleton ejectives may be an enhancement strategy to the ejective contrast that is not necessary in longer geminates. The singleton implosive resembling a voiceless aspirated stop is predicted by [15] while the geminate tongue body raising may be retraction, c.f. [2]. The results support a link between tongue, larynx, and gemination.

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A study on coarticulatory resistance and aggressiveness for front lingual consonants and vowels using ultrasound

Cited by 44 publications

References 25 publications

Lingual Articulation and Coarticulation for Catalan Consonants and Vowels: An Ultrasound Study

Lingual Articulation and Coarticulation for Catalan Consonants and Vowels: An Ultrasound Study

On the development of gestural organization: A cross-sectional study of vowel-to-vowel anticipatory coarticulation

An Ultrasound Study of Gemination in Coronal Stops in Eastern Oromo

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