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Clinical Linguistics & Phonetics

Maria I Grigos, Julie Case
This study examined changes in speech motor control across a movement transition between sounds within a motor learning task in children with apraxia of speech (CAS) and typical development (TD). It was investigated whether oral articulator movement was refined with practice and whether practice gains generalized to words not included in the practice session. A total of 16 children (ages 5-6) with CAS (n = 8) and TD (n = 8) participated in this study. Novel and real word tokens were produced at three time points...
December 27, 2017: Clinical Linguistics & Phonetics
Jennifer Harte, Pauline Frizelle, Fiona Gibbon
There is substantial evidence that a speaker's accent, specifically an unfamiliar accent, can affect the listener's comprehension. In general, this effect holds true for both adults and children as well as those with typical and impaired language. Previous studies have investigated the effect of different accents on individuals with language disorders, but children with speech sound disorders (SSDs) have received little attention. The current study aims to learn more about the ability of children with SSD to process different speaker accents...
December 26, 2017: Clinical Linguistics & Phonetics
Seçkin Arslan, Claudia Felser
The aim of our study was to examine the extent to which linguistic approaches to sentence comprehension deficits in aphasia can account for differential impairment patterns in the comprehension of wh-questions in bilingual persons with aphasia (PWA). We investigated the comprehension of subject and object wh-questions in both Turkish, a wh-in-situ language, and German, a wh-fronting language, in two bilingual PWA using a sentence-to-picture matching task. Both PWA showed differential impairment patterns in their two languages...
December 22, 2017: Clinical Linguistics & Phonetics
Peiyun Xue, Xueying Zhang, Jing Bai, ZizhongJohn Wang
The central aim of this experiment was to compare acoustic parameters, formant frequencies and vowel space area (VSA), in adolescents with hearing-impaired (HI) and their normal-hearing (NH) peers; for kinematic parameters, the movements of vocal organs, especially the lips, jaw and tongue, during vowel production were analysed. The participants were 12 adolescents with different degrees of hearing impairment. The control group consisted of 12 age-matched NH adolescents. All participants were native Chinese speakers who were asked to produce the Mandarin vowels /a/, /i/ and /u/, with subsequent acoustic and kinematic analysis...
December 21, 2017: Clinical Linguistics & Phonetics
Célise Haldin, Audrey Acher, Louise Kauffmann, Thomas Hueber, Emilie Cousin, Pierre Badin, Pascal Perrier, Diandra Fabre, Dominic Perennou, Olivier Detante, Assia Jaillard, Hélène Lœvenbruck, Monica Baciu
The rehabilitation of speech disorders benefits from providing visual information which may improve speech motor plans in patients. We tested the proof of concept of a rehabilitation method (Sensori-Motor Fusion, SMF; Ultraspeech player) in one post-stroke patient presenting chronic non-fluent aphasia. SMF allows visualisation by the patient of target tongue and lips movements using high-speed ultrasound and video imaging. This can improve the patient's awareness of his/her own lingual and labial movements, which can, in turn, improve the representation of articulatory movements and increase the ability to coordinate and combine articulatory gestures...
November 17, 2017: Clinical Linguistics & Phonetics
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No abstract text is available yet for this article.
November 14, 2017: Clinical Linguistics & Phonetics
Jason A Whitfield, Angela Reif, Alexander M Goberman
The aims of this study were to: 1) compare voicing contrast in speakers with Parkinson disease (PD) and healthy controls by comparing the separation of voice onset time (VOT) distributions of voiced and voiceless stop consonants and 2) to determine whether the administration of dopaminergic medication affected VOT separation in speakers with PD. Data from a previous study by Fisher and Goberman (2010) were used to compare the VOT measures obtained from a group of speakers with PD with both ON and OFF medication, and a group of healthy controls...
October 24, 2017: Clinical Linguistics & Phonetics
Marianne Lind, Hanne Gram Simonsen, Ingeborg Sophie Bjønness Ribu, Bente Ailin Svendsen, Jan Svennevig, Kees de Bot
In this article, we explore the naming skills of a bilingual English-Norwegian speaker diagnosed with Primary Progressive Aphasia, in each of his languages across three different speech contexts: confrontation naming, semi-spontaneous narrative (picture description), and conversation, and at two points in time: 12 and 30 months post diagnosis, respectively. The results are discussed in light of two main theories of lexical retrieval in healthy, elderly speakers: the Transmission Deficit Hypothesis and the Inhibitory Deficit Theory...
October 18, 2017: Clinical Linguistics & Phonetics
Laura Zampini, Tiziana Burla, Gaia Silibello, Francesca Dall'Ara, Claudia Rigamonti, Faustina Lalatta, Paola Vizziello
Many studies reported the presence of language impairments in children and adolescents with Klinefelter syndrome (KS). However, the first stage of their language development has been scarcely studied. The present study aimed to describe the spontaneous communicative production of 18-month-old children with KS, in comparison with that of typically developing (TD) male peers, aiming to verify the existence of different early communicative skills in both vocal and gestural modality and to identify the presence of possible associations with their later vocabulary size...
October 16, 2017: Clinical Linguistics & Phonetics
Judit Bóna
In this article, disfluent word-repetitions are analysed in cluttered and control speech. The main questions are the following: (1) Do different functions of word-repetitions occur in different ratio in cluttered and control speech? (2) Are there any differences between PWC and control speakers in durational parameters of disfluent word-repetitions? Results show that there are differences between the two groups of speakers in the types of word-repetitions, and in their durational parameters. In cluttered speech, the most frequent type of repetitions were covert self-repairs while in control speech canonical repetitions are dominated...
October 16, 2017: Clinical Linguistics & Phonetics
Martina Ozbič, Damjana Kogovšek, Joseph Paul Stemberger, Barbara May Bernhardt, Mojca Muznik, Jerneja Novšak Brce
This paper describes word-initial (WI) rhotic cluster development in Slovenian 4-year-olds. Data for /l/ and WI singleton /r/ serve as comparisons. Participants were 19 children with typical development (TD) and 13 with more protracted phonological development (PPD). A single-word list included 15 WI /r/-clusters, 9 /l/-clusters and 3 singleton /r/s and /l/s each. Results showed significantly higher match (accuracy) levels for rhotics in the TD group. Among rhotic clusters, TD children showed highest match levels for labial clusters, and the PPD group, for /dr/...
October 2, 2017: Clinical Linguistics & Phonetics
Ana Margarida Ramalho, M João Freitas
Rhotic clusters are complex structures segmentally and prosodically and are frequently one of the last structures acquired by Portuguese-speaking children. This paper describes cross-sectional data for word-initial (WI) rhotic tap clusters in typically developing 3-4- and 5-year-olds in Portugal. Additional information is provided on WI /l/ as a singleton and in clusters. A native speaker audio-recorded and transcribed single words in a story-telling task. Results for WI rhotic clusters show an age effect consistent with previous research on European Portuguese...
October 2, 2017: Clinical Linguistics & Phonetics
Éva Tar
This study investigates the developmental patterns of acquisition of word-initial (WI) /r/-clusters in children speaking Hungarian, typically developing (TD) or with protracted phonological development (PPD). Comparison data were also analysed for WI singleton /r/ and /l/. Participants were 191 children (aged 3;0-5;11) divided into three age groups (3, 4, 5 years), and further subdivided into TD and PPD subgroups on the basis of Whole Word Match scores (WWM). Acoustic analyses of perceptually accurate clusters were conducted to investigate epenthesis...
September 28, 2017: Clinical Linguistics & Phonetics
Diana Ignatova, Barbara May Bernhardt, Stefka Marinova-Todd, Joseph Paul Stemberger
The current paper describes acquisition of word-initial (WI) trilled /r/ in clusters and as a singleton in 60 Bulgarian 3-5-year-olds with typically developing (TD) versus protracted phonological development (PPD). A native speaker audio-recorded and transcribed single-word responses to a picture-naming task (110 words) that included eight words with WI rhotic clusters and two with WI singleton /r/. Accuracy was significantly higher in the TD groups and for the PPD groups, by age. Mismatch patterns varied: the PPD cohort had the most varied patterns although the younger children with PPD showed more /r/ deletion in clusters, and the TD groups and 5-year-olds with PPD more substitutions for /r/...
September 28, 2017: Clinical Linguistics & Phonetics
Thóra Másdóttir
Rhotics are generally acquired late across languages (Jiménez, 1987; Tar, 2006; Blumenthal and Lundeborg, 2014). Prior research suggests some possible differences in acquisition across languages, however (Másdóttir and Stokes, 2016). The current study set out to examine acquisition of /r/ in Icelandic, focusing primarily on match (accuracy) and mismatch data for word-initial (WI) /r/-clusters, but also comparing /r/-clusters with WI singleton /r/ and /l/ plus /l/-clusters. Single-word data were collected for 27 Icelandic-speaking preschoolers with protracted phonological development (PPD) and compared with data from age- and gender-matched typically developing peers...
September 28, 2017: Clinical Linguistics & Phonetics
Inger Lundeborg Hammarström
The present study investigated word-initial (WI) /r/-clusters in Central Swedish-speaking children with and without protracted phonological development (PPD). Data for WI singleton /r/ and singleton and cluster /l/ served as comparisons. Participants were twelve 4-year-olds with PPD and twelve age- and gender-matched typically developing (TD) controls. Native speakers audio-recorded and transcribed 109 target single words using a Swedish phonology test with 12 WI C+/r/-clusters and three WI CC+/r/-clusters...
September 28, 2017: Clinical Linguistics & Phonetics
Barbara May Bernhardt, Joseph Paul Stemberger
The current issue examined acquisition of challenging segments in complex contexts: Taps/trills in word-initial clusters, plus related targets (/l/-clusters and singleton rhotics and /l/). Data were from preschool children with typical versus protracted phonological development (PPD) in Iceland, Sweden (Germanic), Portugal, Spain/Chile (Romance), Bulgaria, Slovenia (Slavic), and Hungary (Finno-Ugric). Results showed developmental group and age effects. Clusters generally had lower accuracy than singletons, although not uniformly, and were more accurate in stressed syllables...
September 28, 2017: Clinical Linguistics & Phonetics
Denisse Perez, Pilar Vivar, Barbara May Bernhardt, Elvira Mendoza, Carmen Ávila, Gloria Carballo, Dolores Fresneda, Juana Muñoz, Patricio Vergara
The current paper describes Spanish acquisition of rhotic onset clusters. Data are also provided on related singleton taps/trills and /l/ as a singleton and in clusters. Participants included 9 typically developing (TD) toddlers and 30 TD preschoolers in Chile, and 30 TD preschoolers and 29 with protracted phonological development (PPD) in Granada, Spain. Results showed age and developmental group effects. Preservation of cluster timing units preceded segmental accuracy, especially in stressed syllables. Tap clusters versus singleton trills were variable in order of mastery, some children mastering clusters first, and others, the trill...
September 28, 2017: Clinical Linguistics & Phonetics
Joseph Paul Stemberger, Barbara May Bernhardt
The papers in this crosslinguistic issue address children's acquisition of word-initial rhotic clusters in languages with taps/trills, that is, the acquisition of challenging segments in complex environments. Several papers also include comparisons with singleton rhotics and/or /l/ as a singleton or in clusters. The studies are part of a larger investigation that uses similar methodologies across languages in order to enhance crosslinguistic comparability (Bernhardt and Stemberger, 2012, 2015). Participants for the current studies were monolingual preschoolers with typical or protracted phonological development who speak one of the following languages: Germanic (Icelandic/Swedish); Romance (Portuguese/Spanish); Slavic (Bulgarian/Slovenian) and Finno-Ugric (Hungarian)...
September 28, 2017: Clinical Linguistics & Phonetics
Beate Peter, Hope Lancaster, Caitlin Vose, Kyle Middleton, Carol Stoel-Gammon
The purpose of this study was to investigate the hypothesis that individuals with dyslexia and individuals with childhood apraxia of speech share an underlying persisting deficit in processing sequential information. Levels of impairment (sensory encoding, memory, retrieval, and motor planning/programming) were also investigated. Participants were 22 adults with dyslexia, 10 adults with a probable history of childhood apraxia of speech (phCAS), and 22 typical controls. All participants completed nonword repetition, multisyllabic real word repetition, and nonword decoding tasks...
September 21, 2017: Clinical Linguistics & Phonetics
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