Speech Sound Disorders in Children: An Articulatory Phonology Perspective

Namasivayam, Aravind Kumar; Coleman, Deirdre; O’Dwyer, Aisling; Lieshout, Pascal van

doi:10.3389/fpsyg.2019.02998

Cited by 57 publications

(39 citation statements)

References 188 publications

(389 reference statements)

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“…SSD is used as an umbrella term and includes several subtypes of the disorder. One subgroup of SSD is motor speech disorders which includes Childhood Apraxia of Speech (CAS), Developmental Dysarthria (DD) and Speech Motor Delay (SMD) [2]. Oral motor difficulties often co-occur in children with developmental speech and language disorders [3][4][5] as well as fine and gross motor difficulties.…”

Section: Introductionmentioning

confidence: 99%

“…Namasivayam et al [2, p.17] argue that children with SSD may "occupy the low end of the speech motor skill continuum" and that speech sound errors may be a result of different individually developed coping strategies to compensate for those motor skill difficulties. It is clinically challenging to distinguish if symptoms are arising from phonological or motor disorders as those difficulties often overlap [2,9].…”

Section: Introductionmentioning

confidence: 99%

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Range of motion (ROM) in the lips and jaw during vowels assessed with 3D motion analysis in Swedish children with typical speech development and children with speech sound disorders

Mogren

McAllister

Sjögreen

2021

Logopedics Phoniatrics Vocology

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Range of motion (ROM) in the lips and jaw during vowels assessed with 3D motion analysis in Swedish children with typical speech development and children with speech sound disorders

Mogren

McAllister

Sjögreen

2021

Logopedics Phoniatrics Vocology

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“…However, in words or in context, it cannot be distinguished whether distortions are of a phonetic or a phonological origin (Namasivayam et al . 2020). Despite providing a detailed description of speech sound development, we did not record systematic distortions (e.g., lisps).…”

Section: Discussionmentioning

confidence: 99%

“…One of the theoretical approaches that explains the intertwinement of phonetic and phonological development is the articulatory phonology model (Namasivayam et al . 2020). This model describes a perspective that is based on the notion of an articulatory ‘gesture’ that serves as a unit of phonological contrast and characterization of the resulting articulatory movements.…”

Section: Introductionmentioning

confidence: 99%

Speech sound development in typically developing 2–7‐year‐old Dutch‐speaking children: A normative cross‐sectional study

Haaften

Diepeveen

Engel-Hoek

et al. 2020

Intl J Lang & Comm Disor

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Background Dutch is a West‐Germanic language spoken natively by around 24 million speakers. Although studies on typical Dutch speech sound development have been conducted, norms for phonetic and phonological characteristics of typical development in a large sample with a sufficient age range are lacking. Aim To give a detailed description of the speech sound development of typically developing Dutch‐speaking children from 2 to 7 years. Methods & Procedures A total of 1503 typically developing children evenly distributed across the age range of 2;0–6;11 years participated in this normative cross‐sectional study. The picture‐naming task of the Computer Articulation Instrument (CAI) was used to collect speech samples. Speech development was described in terms of (1) percentage consonants correct—revised (PCC‐R) and percentage vowels correct (PVC); (2) consonant, vowel and syllabic structure inventories; (3) degrees of complexity (phonemic feature hierarchy); and (4) phonological processes. Outcomes & Results A two‐way mixed analysis of variance (ANOVA) confirmed a significant increase in the number of PCC‐R and PVC between the ages of 2;0 and 6;11 years (p < 0.001). The consonant inventory was found to be complete at 3;7 years of age for the syllable‐initial consonants, with the exception of the voiced fricatives /v/ and /z/, and the liquid /r/. All syllable‐final consonants were acquired before age 4;4 years. At age 3;4 years, all children had acquired a complete vowel inventory, and at age 4;7 years they produced most syllable structures correctly, albeit that the syllable structure CCVCC was still developing. All phonological contrasts were produced correctly at 3;8 years of age. Children in the younger age groups used more phonological simplification processes than the older children, and by age 4;4 years, all had disappeared, except for the initial cluster reduction from three to two consonants and the final cluster reduction from two to one consonant. Conclusions & Implications This paper describes a large normative cross‐sectional study of Dutch speech sound development which, in clinical practice, can help Dutch speech–language pathologists to differentiate children with delayed or disordered speech development from typically developing children.

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“…Step 2: x + S1 + S2 + S3 = initiation of /d/ sound One important alternative here is to appeal to articulatory gestures to explain the patterns of data above, as Namasivayam et al (2020) have done. An articulatory phonology perspective on SSDs assumes that gesture hiding for homorganic gestures (involving common articulatory organs) and sometimes heterorganic gestures (involving distinct articulatory organs) may produce speech errors in SSDs.…”

Section: Samples Of Datamentioning

confidence: 99%

The mental representation of sounds in speech sound disorders

Pathi

Mondal

2021

Humanit Soc Sci Commun

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The objective of this study is to investigate facets of the human phonological system in an attempt to elucidate the special nature of mental representations and operations underlying some of the errors in speech sound disorders (SSDs). After examining different theories on the mental representations of sounds and their organization in SSDs, we arrive at the conclusion that the existing elucidations on the phonological representations do not suffice to explain some distinctive facets of SSDs. Here, we endorse a hypothesis in favor of representationalism but offer an alternative conceptualization of the phonological representations (PR). We argue that the PR is to be understood in terms of a phonological base that holds information about a segment’s acoustic structure, and which interacts with other levels in the speech sound system in the mind so as to produce a certain sound. We also propose that the PR is connected to an interface module which mediates interactions between the PR and the articulatory system (AS) responsible for the physical manifestation of speech sounds in real time by way of the coordination of activities of speech organs in the vocal tract. We specifically consider different stages of operations within the interface, a specialized system within the cognitive system, which can explain patterns in the SSD data that have so far remained elusive. Positioned between the PR and the AS, the interface module is the heart of the current study. The presence of an interface module is necessitated by the fact that not all errors of SSDs are explainable in terms of structural, motor or even the symbolic misrepresentations at the level of PR. The interface acts as a mediating system mapping sound representations onto articulatory instructions for the actual production of sounds. The interface module can receive, process, and share the phonological inputs with other levels within the speech sound system. We believe an interface module such as ours holds the key to explaining at least certain speech disarticulations in SSDs.

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Speech Sound Disorders in Children: An Articulatory Phonology Perspective

Cited by 57 publications

References 188 publications

Range of motion (ROM) in the lips and jaw during vowels assessed with 3D motion analysis in Swedish children with typical speech development and children with speech sound disorders

Range of motion (ROM) in the lips and jaw during vowels assessed with 3D motion analysis in Swedish children with typical speech development and children with speech sound disorders

Speech sound development in typically developing 2–7‐year‐old Dutch‐speaking children: A normative cross‐sectional study

The mental representation of sounds in speech sound disorders

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