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https://www.readbyqxmd.com/read/28533736/telescopic-overdenture-a-case-report
#1
C S Shruthi, R Poojya, Swati Ram, Anupama
PATIENT: This report describes the case of a 68 year old female patient who presented with the chief complaint of difficulty in chewing and poor aesthetics due to missing teeth. The patient was interested in saving the remaining natural teeth and desired minimal tissue coverage from the prosthesis. After consideration of all the factors involved, it was deemed advisable to resort to a palate free maxillary telescopic complete denture and a mandibular removable partial denture. DISCUSSION: Considering the age of the patient and the cost involved, implant supported prosthesis was ruled out as a treatment option for the patient...
March 2017: International Journal of Biomedical Science: IJBS
https://www.readbyqxmd.com/read/28526429/use-of-a-cad-cam-poly-methyl-methacrylate-interim-prosthesis-for-direct-intraoral-splinting
#2
Periklis Proussaefs
This article describes a technique where an interim computer-aided design and computer-aided manufacturing (CAD-CAM) prosthesis is milled from a poly(methyl methacrylate) blank to confirm esthetics, occlusion, function, phonetics, and accessibility for oral hygiene. The interim prosthesis is then sectioned and reconnected intraorally with autopolymerizing acrylic resin. This interim prosthesis is used to fabricate the definitive stone cast. The interim prosthesis is then scanned with a laboratory scanner. By applying this technique, the implant positioning can be related to the occlusal plane, the contours of the teeth, and the flange...
May 16, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28521525/babbling-in-children-with-neurodevelopmental-disability-and-validity-of-a-simplified-way-of-measuring-canonical-babbling-ratio
#3
Anna Nyman, Anette Lohmander
Babbling is an important precursor to speech, but has not yet been thoroughly investigated in children with neurodevelopmental disabilities. Canonical babbling ratio (CBR) is a commonly used but time-consuming measure for quantifying babbling. The aim of this study was twofold: to validate a simplified version of the CBR (CBR(UTTER)), and to use this measure to determine if early precursors to speech and language development could be detected in children with different neurodevelopmental disabilities. Two different data sets were used...
May 19, 2017: Clinical Linguistics & Phonetics
https://www.readbyqxmd.com/read/28520762/indexical-and-linguistic-processing-by-12-month-olds-discrimination-of-speaker-accent-and-vowel-differences
#4
Karen E Mulak, Cory D Bonn, Kateřina Chládková, Richard N Aslin, Paola Escudero
Infants preferentially discriminate between speech tokens that cross native category boundaries prior to acquiring a large receptive vocabulary, implying a major role for unsupervised distributional learning strategies in phoneme acquisition in the first year of life. Multiple sources of between-speaker variability contribute to children's language input and thus complicate the problem of distributional learning. Adults resolve this type of indexical variability by adjusting their speech processing for individual speakers...
2017: PloS One
https://www.readbyqxmd.com/read/28510615/the-role-of-frequency-in-learning-morphophonological-alternations-implications-for-children-with-specific-language-impairment
#5
Ekaterina Tomas, Katherine Demuth, Peter Petocz
Purpose: The aim of this article was to explore how the type of allomorph (e.g., past tense buzz[d] vs. nod[əd]) influences the ability to perceive and produce grammatical morphemes in children with typical development and with specific language impairment (SLI). Method: The participants were monolingual Australian English-speaking children. The SLI group included 13 participants (mean age = 5;7 [years;months]); the control group included 19 children with typical development (mean age = 5;4)...
May 16, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28499139/a-novel-form-of-perceptual-attunement-context-dependent-perception-of-a-native-contrast-in-14-month-old-infants
#6
Mathilde Fort, Perrine Brusini, M Julia Carbajal, Yue Sun, Sharon Peperkamp
By the end of their first year of life, infants have become experts in discriminating the sounds of their native language, while they have lost the ability to discriminate non-native contrasts. This type of phonetic learning is referred to as perceptual attunement. In the present study, we investigated the emergence of a context-dependent form of perceptual attunement in infancy. Indeed, some native contrasts are not discriminated in certain phonological contexts by adults, due to the presence of a language-specific process that neutralizes the contrasts in those contexts...
April 26, 2017: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/28495932/effectiveness-and-adoption-of-a-drawing-to-learn-study-tool-for-recall-and-problem-solving-minute-sketches-with-folded-lists
#7
Paul D Heideman, K Adryan Flores, Lu M Sevier, Kelsey E Trouton
Drawing by learners can be an effective way to develop memory and generate visual models for higher-order skills in biology, but students are often reluctant to adopt drawing as a study method. We designed a nonclassroom intervention that instructed introductory biology college students in a drawing method, minute sketches in folded lists (MSFL), and allowed them to self-assess their recall and problem solving, first in a simple recall task involving non-European alphabets and later using unfamiliar biology content...
2017: CBE Life Sciences Education
https://www.readbyqxmd.com/read/28483485/sensory-motor-relationships-in-speech-production-in-post-lingually-deaf-cochlear-implanted-adults-and-normal-hearing-seniors-evidence-from-phonetic-convergence-and-speech-imitation
#8
Lucie Scarbel, Denis Beautemps, Jean-Luc Schwartz, Marc Sato
Speech communication can be viewed as an interactive process involving a functional coupling between sensory and motor systems. One striking example comes from phonetic convergence, when speakers automatically tend to mimic their interlocutor's speech during communicative interaction. The goal of this study was to investigate sensory-motor linkage in speech production in postlingually deaf cochlear implanted participants and normal hearing elderly adults through phonetic convergence and imitation. To this aim, two vowel production tasks, with or without instruction to imitate an acoustic vowel, were proposed to three groups of young adults with normal hearing, elderly adults with normal hearing and post-lingually deaf cochlear-implanted patients...
May 5, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28470820/semantic-richness-and-word-learning-in-children-with-autism-spectrum-disorder
#9
Allison Gladfelter, Lisa Goffman
Semantically rich learning contexts facilitate semantic, phonological, and articulatory aspects of word learning in children with typical development (TD). However, because children with autism spectrum disorder (ASD) show differences at each of these processing levels, it is unclear whether they will benefit from semantic cues in the same manner as their typical peers. The goal of this study was to track how the inclusion of rich, sparse, or no semantic cues influences semantic, phonological, and articulatory aspects of word learning in children with ASD and TD over time...
May 4, 2017: Developmental Science
https://www.readbyqxmd.com/read/28464686/the-lombard-effect-observed-in-speech-produced-by-cochlear-implant-users-in-noisy-environments-a-naturalistic-study
#10
Jaewook Lee, Hussnain Ali, Ali Ziaei, Emily A Tobey, John H L Hansen
The Lombard effect is an involuntary response speakers experience in the presence of noise during voice communication. This phenomenon is known to cause changes in speech production such as an increase in intensity, pitch structure, formant characteristics, etc., for enhanced audibility in noisy environments. Although well studied for normal hearing listeners, the Lombard effect has received little, if any, attention in the field of cochlear implants (CIs). The objective of this study is to analyze speech production of CI users who are postlingually deafened adults with respect to environmental context...
April 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28464676/a-cross-dialectal-acoustic-study-of-saterland-frisian-vowels
#11
Heike E Schoormann, Wilbert J Heeringa, Jörg Peters
Previous investigations on Saterland Frisian report a large vowel inventory, including up to 20 monophthongs and 16 diphthongs in stressed position. Conducting a cross-dialectal acoustic study on Saterland Frisian vowels in Ramsloh, Scharrel, and Strücklingen, the objective is to provide a phonetic description of vowel category realization and to identify acoustic dimensions which may enhance the discrimination of neighboring categories within the crowded vowel space of the endangered minority language. All vowels were elicited in a /hVt/ frame...
April 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28464636/directional-asymmetries-reveal-a-universal-bias-in-adult-vowel-perception
#12
Matthew Masapollo, Linda Polka, Monika Molnar, Lucie Ménard
Research on cross-language vowel perception in both infants and adults has shown that for many vowel contrasts, discrimination is easier when the same pair of vowels is presented in one direction compared to the reverse direction. According to one account, these directional asymmetries reflect a universal bias favoring "focal" vowels (i.e., vowels whose adjacent formants are close in frequency, which concentrates acoustic energy into a narrower spectral region). An alternative, but not mutually exclusive, account is that such effects reflect an experience-dependent bias favoring prototypical instances of native-language vowel categories...
April 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28464626/intra-speaker-and-inter-speaker-variability-in-speech-sound-pressure-level-across-repeated-readings
#13
Antonella Castellana, Alessio Carullo, Arianna Astolfi, Giuseppina Emma Puglisi, Umberto Fugiglando
The intra- and inter-speaker variability of speech sound pressure level (SPL) has been investigated under repeatability conditions in this work. In a semi-anechoic chamber, speech from 17 individuals was recorded with a sound level meter, a headworn microphone, and a vocal monitoring device. The subjects were asked to read twice and in sequence two phonetically balanced passages. The speech variability has been investigated for mean, equivalent, and mode SPL from each reading and device. The intra-speaker variability has been evaluated by means of the average among individual standard deviations in the four readings and it reached the maximum of 2 dB for mode SPL...
April 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28464618/syllable-constituent-perception-by-hearing-aid-users-common-factors-in-quiet-and-noise
#14
James D Miller, Charles S Watson, Marjorie R Leek, Judy R Dubno, David J Wark, Pamela E Souza, Sandra Gordon-Salant, Jayne B Ahlstrom
The abilities of 59 adult hearing-aid users to hear phonetic details were assessed by measuring their abilities to identify syllable constituents in quiet and in differing levels of noise (12-talker babble) while wearing their aids. The set of sounds consisted of 109 frequently occurring syllable constituents (45 onsets, 28 nuclei, and 36 codas) spoken in varied phonetic contexts by eight talkers. In nominal quiet, a speech-to-noise ratio (SNR) of 40 dB, scores of individual listeners ranged from about 23% to 85% correct...
April 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28443053/perceptual-improvement-of-lexical-tones-in-infants-effects-of-tone-language-experience
#15
Feng-Ming Tsao
To learn words in a tonal language, tone-language learners should not only develop better abilities for perceiving consonants and vowels, but also for lexical tones. The divergent trend of enhancing sensitivity to native phonetic contrasts and reduced sensitivity to non-native phonetic contrast is theoretically essential to evaluate effects of listening to an ambient language on speech perception development. The loss of sensitivity in discriminating lexical tones among non-tonal language-learning infants was apparent between 6 and 12 months of age, but only few studies examined trends of differentiating native lexical tones in infancy...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28439232/mapping-the-speech-code-cortical-responses-linking-the-perception-and-production-of-vowels
#16
William L Schuerman, Antje S Meyer, James M McQueen
The acoustic realization of speech is constrained by the physical mechanisms by which it is produced. Yet for speech perception, the degree to which listeners utilize experience derived from speech production has long been debated. In the present study, we examined how sensorimotor adaptation during production may affect perception, and how this relationship may be reflected in early vs. late electrophysiological responses. Participants first performed a baseline speech production task, followed by a vowel categorization task during which EEG responses were recorded...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28434678/do-not-let-the-spanish-s-misguide-you
#17
João Malta Barbosa, Graciela Granda Gill, João Mendez Caramês
The orthographic representation of the "s" in the Spanish language may have three phonetic variations and be associated with other phonological phenomena that add to its unpredictability when used to evaluate the closest speaking space. These are of clinical interest since each of these variations may represent a more or less pronounced difference from what is observed in the English language and patient population. The present article explains the previously mentioned variations and reviews the suggested Spanish terms for evaluation of the closest speaking space...
April 20, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28409649/lexical-stress-contrast-marking-in-fluent-and-non-fluent-aphasia-in-spanish-the-relationship-between-acoustic-cues-and-compensatory-strategies
#18
Lorraine Baqué
This study sought to investigate stress production in Spanish by patients with Broca's (BA) and conduction aphasia (CA) as compared to controls. Our objectives were to assess whether: a) there were many abnormal acoustic correlates of stress as produced by patients, b) these abnormalities had a phonetic component and c) ability for articulatory compensation for stress marking was preserved. The results showed abnormal acoustic values in both BA and CA's productions, affecting not only duration but also F0 and intensity cues, and an interaction effect of stress pattern and duration on intensity cubes in BA, but not in CA or controls...
April 14, 2017: Clinical Linguistics & Phonetics
https://www.readbyqxmd.com/read/28407509/infant-word-segmentation-recruits-the-cerebral-network-of-phonological-short-term-memory
#19
Yasuyo Minagawa, Yoko Hakuno, Ai Kobayashi, Nozomi Naoi, Shozo Kojima
Segmenting word units from running speech is a fundamental skill infants must develop in order to acquire language. Despite ample behavioral evidence of this skill, its neurocognitive basis remains unclear. Using behavioral testing and functional near-infrared spectroscopy, we aimed to uncover the neurocognitive substrates of word segmentation and its development. Of three age-groups of Japanese infants (5-6, 7-8, and 9-10months of age), the two older age-groups showed significantly larger temporo-parietal (particularly supramarginal gyrus) responses to target words repeatedly presented for training, than to control words...
April 10, 2017: Brain and Language
https://www.readbyqxmd.com/read/28406683/evaluating-the-sources-and-functions-of-gradiency-in-phoneme-categorization-an-individual-differences-approach
#20
Efthymia C Kapnoula, Matthew B Winn, Eun Jong Kong, Jan Edwards, Bob McMurray
During spoken language comprehension listeners transform continuous acoustic cues into categories (e.g., /b/ and /p/). While long-standing research suggests that phonetic categories are activated in a gradient way, there are also clear individual differences in that more gradient categorization has been linked to various communication impairments such as dyslexia and specific language impairments (Joanisse, Manis, Keating, & Seidenberg, 2000; López-Zamora, Luque, Álvarez, & Cobos, 2012; Serniclaes, Van Heghe, Mousty, Carré, & Sprenger-Charolles, 2004; Werker & Tees, 1987)...
April 13, 2017: Journal of Experimental Psychology. Human Perception and Performance
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