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speech articulation

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https://www.readbyqxmd.com/read/28916222/estimating-vocal-effort-from-the-aerodynamics-of-labial-fricatives-a-feasibility-study
#1
Yohann Meynadier, Anita El Hajj, Michel Pitermann, Thierry Legou, Antoine Giovanni
OBJECTIVE AND HYPOTHESIS: Vocal effort in loud voice is produced with increased subglottal pressure during vowels and increased supraglottal pressure during consonants. In the paper, our main objective is to check whether it was supported by a parallel increase in the airflow resistance of the laryngeal articulator and of the supralaryngeal articulator, here the lips. STUDY DESIGN AND METHOD: For this comparison, our choice fell on the fricative consonants, as their production allows perfectly synchronous air pressure and airflow measurements...
September 12, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28899572/hypoglossal-nerve-palsy-in-the-course-of-dissection-of-the-internal-carotid-arteries-case-reports
#2
Magdalena Torbus-Paluszczak, Sebastian Mucha, Maciej Wawrzyńczyk, Krystyna Pierzchała, Wojciech Bartman, Monika Adamczyk-Sowa
Internal carotid artery dissection (ICAD) has become an increasingly recognized cause of cerebrovascular accidents in young and middle-aged patients. We report 2 cases of hypoglossal nerve palsy in the course of dissection of the internal carotid arteries. The first patient was admitted to the Department of Neurology due to swallowing difficulty, speech articulation disorders and numbness of the right half of the tongue for 4 weeks. Extracranial vessel ultrasound (US) and transcranial colour Doppler (TCD) visualized thrombus causing occlusion of the right internal carotid artery (RICA)...
August 30, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/28878980/the-origins-of-babytalk-smiling-teaching-or-social-convergence
#3
Marina Kalashnikova, Christopher Carignan, Denis Burnham
When addressing their young infants, parents systematically modify their speech. Such infant-directed speech (IDS) contains exaggerated vowel formants, which have been proposed to foster language development via articulation of more distinct speech sounds. Here, this assumption is rigorously tested using both acoustic and, for the first time, fine-grained articulatory measures. Mothers were recorded speaking to their infant and to another adult, and measures were taken of their acoustic vowel space, their tongue and lip movements and the length of their vocal tract...
August 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28876369/quantitative-analysis-of-tongue-movement-in-14-phonemes-of-brazilian-portuguese
#4
Lídia Maurício da Silva, Aline Mara de Oliveira Vassoler, Viviane Cristina de Castro Marino, Larissa Cristina Berti
Purpose: The aim of this study was to characterize the ultrasonographic pattern of tongue movement in 14 consonant phonemes of Brazilian Portuguese (BP), seeking to identify and describe ultrasonographic parameters that could grasp the difference of manner and place of articulation among these phonemes. Methods: We selected 20 individuals with typical speech production, aged between 20-30 years of both genders. The selected stimuli included the 14 lingual consonant BP phonemes in the intervocalic context of [a]...
September 4, 2017: CoDAS
https://www.readbyqxmd.com/read/28873816/restoring-speech-following-total-removal-of-the-larynx
#5
Jose A Gonzalez, Lam A Cheah, Phil D Green, James M Gilbert, Stephen R Ell, Roger K Moore, Ed Holdsworth
By speech articulator movement and training a transformation to audio we can restore the power of speech to someone who has lost their larynx. We sense changes in magnetic field caused by movements of small magnets attached to the lips and tongue. The sensor transformation uses recurrent neural networks.
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28872813/development-and-validation-of-the-child-oral-health-impact-profile-preschool-version
#6
R R Ruff, L Sischo, C H Chinn, H L Broder
OBJECTIVE: The Child Oral Health Impact Profile (COHIP) is a validated instrument created to measure the oral health-related quality of life of school-aged children. The purpose of this study was to develop and validate a preschool version of the COHIP (COHIP-PS) for children aged 2-5. BASIC RESEARCH DESIGN: The COHIP-PS was developed and validated using a multi-stage process consisting of item selection, face validity testing, item impact testing, reliability and validity testing, and factor analysis...
September 2017: Community Dental Health
https://www.readbyqxmd.com/read/28861114/effects-of-low-dose-topiramate-on-language-function-in-children-with-migraine
#7
Seung-A Han, Eu Jeen Yang, Younghwa Kong, Chan-Uhng Joo, Sun Jun Kim
PURPOSE: This study aimed to verify the safety of low-dose topiramate on language development in pediatric patients with migraine. METHODS: Thirty newly diagnosed pediatric patients with migraine who needed topiramate were enrolled and assessed twice with standard language tests, including the Test of Language Problem Solving Abilities (TOPs), Receptive and Expressive Vocabulary Test, Urimal Test of Articulation and Phonology, and computerized speech laboratory analysis...
July 2017: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/28859203/applying-item-response-theory-to-the-development-of-a-screening-adaptation-of-the-goldman-fristoe-test-of-articulation-second-edition
#8
Tim Brackenbury, Michael J Zickar, Benjamin Munson, Holly L Storkel
Purpose: Item response theory (IRT) is a psychometric approach to measurement that uses latent trait abilities (e.g., speech sound production skills) to model performance on individual items that vary by difficulty and discrimination. An IRT analysis was applied to preschoolers' productions of the words on the Goldman-Fristoe Test of Articulation-Second Edition (GFTA-2) to identify candidates for a screening measure of speech sound production skills. Method: The phoneme accuracies from 154 preschoolers, with speech skills on the GFTA-2 ranging from the 1st to above the 90th percentile, were analyzed with a 2-parameter logistic model...
September 18, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28844393/pure-apraxia-of-speech-due-to-infarct-in-premotor-cortex
#9
Riddhi Patira, Lauren Ciniglia, Timothy Calvert, Eric L Altschuler
Apraxia of speech (AOS) is now recognized as an articulation disorder distinct from dysarthria and aphasia. Various lesions have been associated with AOS in studies that are limited in precise localization due to variability in size and type of pathology. We present a case of pure AOS in setting of an acute stroke to localize more precisely than ever before the brain area responsible for AOS, dorsal premotor cortex (dPMC). The dPMC is in unique position to plan and coordinate speech production by virtue of its connection with nearby motor cortex harboring corticobulbar tract, supplementary motor area, inferior frontal operculum, and temporo-parietal area via the dorsal stream of dual-stream model of speech processing...
August 18, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/28842410/impaired-feedforward-control-and-enhanced-feedback-control-of-speech-in-patients-with-cerebellar-degeneration
#10
Benjamin Parrell, Zarinah Agnew, Srikantan Nagarajan, John Houde, Richard B Ivry
The cerebellum has been hypothesized to form a crucial part of the speech motor control network. Evidence for this comes from patients with cerebellar damage, who exhibit a variety of speech deficits, as well as imaging studies showing cerebellar activation during speech production in healthy individuals. To date, the precise role of the cerebellum in speech motor control remains unclear, as it has been implicated in both anticipatory (feedforward) and reactive (feedback) control. Here, we assess both anticipatory and reactive aspects of speech motor control, comparing the performance of patients with cerebellar degeneration and matched controls...
August 23, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28833228/trouble-articulating-the-right-words-evidence-for-a-response-exclusion-account-of-distraction-during-semantic-fluency
#11
John E Marsh, Jessica C Crawford, Lea K Pilgrim, Patrik Sörqvist, Robert W Hughes
It is widely held that single-word lexical access is a competitive process, a view based largely on the observation that naming a picture is slowed in the presence of a distractor-word. However, problematic for this view is that a low-frequency distractor-word slows the naming of a picture more than does a high-frequency word. This supports an alternative, response-exclusion, account in which a distractor-word interferes because it must be excluded from an articulatory output buffer before the right word can be articulated (the picture name): A high, compared to low, frequency word accesses the buffer more quickly and, as such, can also be excluded more quickly...
August 22, 2017: Scandinavian Journal of Psychology
https://www.readbyqxmd.com/read/28821018/a-cross-language-study-of-acoustic-predictors-of-speech-intelligibility-in-individuals-with-parkinson-s-disease
#12
Yunjung Kim, Yaelin Choi
Purpose: The present study aimed to compare acoustic models of speech intelligibility in individuals with the same disease (Parkinson's disease [PD]) and presumably similar underlying neuropathologies but with different native languages (American English [AE] and Korean). Method: A total of 48 speakers from the 4 speaker groups (AE speakers with PD, Korean speakers with PD, healthy English speakers, and healthy Korean speakers) were asked to read a paragraph in their native languages...
September 18, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28813817/the-effects-of-silent-visuomotor-cueing-on-word-retrieval-in-broca-s-aphasies-a-pilot-study
#13
Klaudia Grechuta, Belen Rubio Bellaster, Rosa Espin Munne, Teresa Usabiaga Bernal, Begona Molina Hervas, Rosa San Segundo, Paul F M J Verschure
About a quarter of stroke patients worldwide suffer serious language disorders such as aphasias. Most common symptoms of Broca's aphasia are word naming disorders which highly impact verbal communication and the quality of life of aphasic patients. In order to recover disturbances in word retrieval, several cueing methods (i.e. phonemic and semantic) have been established to improve lexical access establishing effective language rehabilitation techniques. Based on recent evidence from action-perception theories, which postulate that neural circuits for speech perception and articulation are tightly coupled, in the present work, we propose and investigate an alternative type of cueing using silent articulation-related visual stimuli...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28801840/tobacco-related-carcinogenesis-in-head-and-neck-cancer
#14
Ashok R Jethwa, Samir S Khariwala
Head and neck cancer (head and neck squamous cell carcinoma (HNSCC)) is a devastating disease. Patients require intensive treatment that is often disfiguring and debilitating. Those who survive are often left with poor speech articulation, difficulties in chewing and swallowing, and cosmetic disfigurement, as well as loss of taste. Furthermore, given that HNSCC survivors are frequently disabled and unable to return to work, the economic and societal costs associated with HNSCC are massive. HNSCC is one of many cancers that are strongly associated with tobacco use...
August 12, 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/28790903/increase-in-beta-band-activity-during-preparation-for-overt-speech-in-patients-with-parkinson-s-disease
#15
Peter Sörös, Nuria Doñamayor, Catharina Wittke, Mohamed Al-Khaled, Norbert Brüggemann, Thomas F Münte
Speech impairment is a frequent and often serious symptom of Parkinson's disease (PD), characterized by a disorder of phonation, articulation and prosody. While research on the pathogenesis of the prominent limb motor symptoms has made considerable progress in recent years, the pathophysiology of PD speech impairment is still incompletely understood. To investigate the neural correlates of speech production in PD, EEG was recorded in 14 non-demented patients with idiopathic PD and preserved verbal fluency on regular dopaminergic medication (8 women; mean age ± SD: 69...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28768266/aerodynamic-and-laryngeal-characteristics-of-place-dependent-voice-onset-time-differences
#16
Marziye Eshghi, Mehdi Alemi, David J Zajac
OBJECTIVE: To investigate aerodynamic and laryngeal factors associated with place-dependent voice onset time (VOT) differences. METHODS: The speech materials were /p∧, t∧, k∧/, each produced 15 times by 10 adult English speakers in the carrier phrase "say __ again". The sound pressure level was targeted within a ±3 dB range. Intraoral air pressure (Po) was obtained using a buccal-sulcus approach. VOT, Po, maximum Po declination rate (MPDR), duration of the laryngeal devoicing gesture (LDG), occlusion duration, and the duration of the Po drop to baseline (atmosphere) to the onset of voicing (PDOV) were determined for each stop...
August 2, 2017: Folia Phoniatrica et Logopaedica
https://www.readbyqxmd.com/read/28764433/tracking-the-phonological-status-of-l-in-newfoundland-english-experiments-in-articulation-and-acoustics
#17
Paul De Decker, Sara Mackenzie
This paper investigates patterning of /l/ in Newfoundland English. Using acoustic and ultrasound methods, the reported displacement of the traditional Irish pattern of word-final light /l/ is assessed. Acoustic results show darker /l/'s in word-final position in both phrases and compounds. Although the standard allophonic pattern is widespread in Newfoundland English, dialectal variation arising from early settlement patterns continues to influence speech patterns with less distinction between initial and final /l/ in Irish-settled areas...
July 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28763804/neurogenic-orofacial-weakness-and-speech-in-adults-with-dysarthria
#18
Nancy Pearl Solomon, Matthew J Makashay, Leah B Helou, Heather M Clark
Purpose: This study compared orofacial strength between adults with dysarthria and neurologically normal (NN) matched controls. In addition, orofacial muscle weakness was examined for potential relationships to speech impairments in adults with dysarthria. Method: Matched groups of 55 adults with dysarthria and 55 NN adults generated maximum pressure (Pmax) against an air-filled bulb during lingual elevation, protrusion and lateralization, and buccodental and labial compressions...
August 15, 2017: American Journal of Speech-language Pathology
https://www.readbyqxmd.com/read/28757935/cleft-palate-only-current-concepts
#19
L Tettamanti, A Avantaggiato, M Nardone, J Silvestre-Rangil, A Tagliabue
Cleft palate only (CPO) is one of the most common congenital malformations worldwide. The etiopathogenesis of CPO is not completely understood. Environmental factors, such as smoking, alcohol consumption, intake of drugs during pregnancy, advanced paternal age, have been demonstrated to be a risk of CPO, but conflicting results have also been published. Insufficient intake of folic acid during the pregnancy has been suggested to increase the risk for CPO. The demonstrated risk for siblings and the higher risk for monozygotic twins suggest a genetic etiopathogenesis for CPO...
January 2017: Oral & Implantology
https://www.readbyqxmd.com/read/28757671/slowed-articulation-rate-is-a-sensitive-diagnostic-marker-for-identifying-non-fluent-primary-progressive-aphasia
#20
Claire Cordella, Bradford C Dickerson, Megan Quimby, Yana Yunusova, Jordan R Green
BACKGROUND: Primary progressive aphasia (PPA) is a neurodegenerative aphasic syndrome with three distinct clinical variants: non-fluent (nfvPPA), logopenic (lvPPA), and semantic (svPPA). Speech (non-) fluency is a key diagnostic marker used to aid identification of the clinical variants, and researchers have been actively developing diagnostic tools to assess speech fluency. Current approaches reveal coarse differences in fluency between subgroups, but often fail to clearly differentiate nfvPPA from the variably fluent lvPPA...
2017: Aphasiology
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