Long‐Distance Coarticulation in Spoken and Signed Language: An Overview

Grosvald, Michael

doi:10.1111/j.1749-818x.2010.00205.x

Cited by 4 publications

(4 citation statements)

References 104 publications

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“…Such long-distant assimilation can be either left to right or right to left. Related to the right-to-left harmony is the long-distance anticipatory vowel to vowel assimilation across more than one syllable reported for English, which is referred to as a form of coarticulation (Magen, 1997;Grosvald, 2010). Both kinds of long-distance assimilation seem incompatible with either target approximation or TD/AP, as it would mean that the approximation of a single vowel target can occur across multiple target approximation movements of the intervening consonants and vowels.…”

Section: Unresolved Issuesmentioning

confidence: 99%

Syllable is a synchronization mechanism that makes human speech possible

Xu¹

2020

Preprint

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Speech is a highly skilled motor activity that shares a core problem with other motor skills: how to reduce the massive degrees of freedom (DOF) to the extent that the central nervous control and learning of complex motor movements become possible. It is hypothesized in this paper that a key solution to the DOF problem is to eliminate most of the temporal degrees of freedom by synchronizing concurrent movements, and that this is done in speech through the syllablea mechanism that synchronizes consonantal, vocalic and laryngeal gestures. Under this hypothesis, gestures are articulatory movements toward underlying targets; the onsets and offsets of the gestures are synchronized at the syllable edges, although more so at syllable onset than at the offset; and the realization of the synchronization is facilitated by sensorimotor feedback, especially tactile feedback, during consonant closures. This synchronization theory of the syllable also offers a comprehensive account of coarticulation, as it explicates how various coarticulation-related phenomena, including coarticulation resistance, locus, locus equation, diphone etc., are byproducts of syllable formation. It also provides a theoretical basis for understanding how suprasegmental events such as tone, intonation, phonation, etc. are aligned to segmental events in speech. It may also have implications for understanding vocal learning, speech disorders and motor control in general.Xu, Y. (2020) Syllable Is a synchronization mechanism that makes human speech possible. PsyArXiv doi:10.31234/osf.io/9v4hr.

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Section: Unresolved Issuesmentioning

confidence: 99%

Syllable is a synchronization mechanism that makes human speech possible

Xu¹

2020

Preprint

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“…If representation were at an entirely segmental or syllabic level, one would not expect to find long-range dependencies. However, production studies (see review by Grosvald, 2010) have found evidence of anticipatory coarticulation between segments within a single word separated by as many as six segments. Perception studies similarly show that listeners are sensitive to this coarticulation, and may use it to facilitate the perception of subsequent speech sounds (Martin & Bunnell, 1982; Beddor et al, 2002).…”

Section: Distributed Versus Local Representationmentioning

confidence: 99%

The cortical organization of lexical knowledge: A dual lexicon model of spoken language processing

2012

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Current accounts of spoken language assume the existence of a lexicon where wordforms are stored and interact during spoken language perception, understanding and production. Despite the theoretical importance of the wordform lexicon, the exact localization and function of the lexicon in the broader context of language use is not well understood. This review draws on evidence from aphasia, functional imaging, neuroanatomy, laboratory phonology and behavioral results to argue for the existence of parallel lexica that facilitate different processes in the dorsal and ventral speech pathways. The dorsal lexicon, localized in the inferior parietal region including the supramarginal gyrus, serves as an interface between phonetic and articulatory representations. The ventral lexicon, localized in the posterior superior temporal sulcus and middle temporal gyrus, serves as an interface between phonetic and semantic representations. In addition to their interface roles, the two lexica contribute to the robustness of speech processing.

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“…Non-target articulator behavior is important, for example, in studies investigating error patterns, as they arise from articulators that should not be activated, or coproduction, in which non-target articulators are activated during an onset consonant because of a following vowel (Fowler and Saltzman, 1993). Moreover, target and non-target articulatory influences can stretch over longer distances than neighboring speech segments (Grosvald, 2010). Little is known about how non-target activations, especially, are controlled over longer distances and if a target constriction in one word influences the non-target position in the following word.…”

Section: A Backgroundmentioning

confidence: 99%

The effect of phonetic context on speech movements in repetitive speech

Slis

Lieshout

2013

The Journal of the Acoustical Society of America

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This study examined how, in repetitive speech, articulatory movements differ in degree of variability and movement range depending on articulatory constraints manipulated by phonetic context and type of CVC-CVC word pair. These pairs consisted of words that either differed in onset consonants but shared rhymes, or were identical. Articulatory constraints were manipulated by employing different combinations of vowels and consonants. The word pairs were produced in a repetitive speech task at a normal and fast speaking rate. Articulatory movements were measured with 3D electro-magnetic articulography. As measures of variability, median movement ranges and the coefficient of variation of target and non-target articulators were determined. To assess possible biomechanical constraints, correlation values between target and simultaneous non-target articulators were calculated as well. The results revealed that word pairs with different onsets had larger movement ranges than word pairs with identical onsets. In identical word pairs, the coefficient of variation showed higher values in the second than in the first word. This difference was not present in the alternating onset word pairs. For both types of word pairs, higher speaking rates showed higher correlations between target and non-target articulators than lower speaking rates, suggesting stronger biomechanical constraints for the former condition.

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Long‐Distance Coarticulation in Spoken and Signed Language: An Overview

Cited by 4 publications

References 104 publications

Syllable is a synchronization mechanism that makes human speech possible

Syllable is a synchronization mechanism that makes human speech possible

The cortical organization of lexical knowledge: A dual lexicon model of spoken language processing

The effect of phonetic context on speech movements in repetitive speech

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