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https://www.readbyqxmd.com/read/28922244/fibular-graft-effective-panorama-for-prosthetic-rehabilitation-of-resected-mandible
#1
Pankaj Kharade, Saidul Islam, Mahesh Verma, Swati Sharma, Ranjeet Bodh
Surgical management of extensive tumors in the mandibular region leads to massive disfigurement of the face. Also the prosthetic outcome of such patients rehabilitated with free soft tissue flaps is very poor. Reconstruction of extensive defects to overcome the disfigurement is a challenging procedure and can be achieved with free fibula flap. Free fibula graft provides sufficient length of bone for the reconstruction of the postsurgical defects. Excellent vascularity of fibula flap allows for easy uptake of the graft and osseointegration of the dental implants...
September 15, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28919553/social-evaluative-threat-with-verbal-performance-feedback-alters-neuroendocrine-response-to-stress
#2
Jenny M Phan, Ekaterina Schneider, Jeremy Peres, Olga Miocevic, Vanessa Meyer, Elizabeth A Shirtcliff
Laboratory stress tasks such as the Trier Social Stress Test (TSST) have provided a key piece to the puzzle for how psychosocial stress impacts the hypothalamic-pituitary-adrenal axis, other stress-responsive biomarkers, and ultimately wellbeing. These tasks are thought to work through biopsychosocial processes, specifically social evaluative threat and the uncontrollability heighten situational demands. The present study integrated an experimental modification to the design of the TSST to probe whether additional social evaluative threat, via negative verbal feedback about speech performance, can further alter stress reactivity in 63 men and women...
September 15, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28918643/speech-language-pathology-telehealth-in-rural-and-remote-schools-the-experience-of-school-executive-and-therapy-assistants
#3
Glenn C Fairweather, Michelle A Lincoln, Robyn Ramsden
INTRODUCTION: Difficulties in accessing allied health services, especially in rural and remote areas, appear to be driving the use of telehealth services to children in schools. The objectives of this study were to investigate the experiences and views of school executive staff and therapy assistants regarding the feasibility and acceptability of a speech-language pathology telehealth program for children attending schools in rural and remote New South Wales, Australia. The program, called Come N See, provided therapy interventions remotely via low-bandwidth videoconferencing, with email follow-up...
July 2017: Rural and Remote Health
https://www.readbyqxmd.com/read/28915779/relative-salience-of-speech-rhythm-and-speech-rate-on-perceived-foreign-accent-in-a-second-language
#4
Leona Polyanskaya, Mikhail Ordin, Maria Grazia Busa
We investigated the independent contribution of speech rate and speech rhythm to perceived foreign accent. To address this issue we used a resynthesis technique that allows neutralizing segmental and tonal idiosyncrasies between identical sentences produced by French learners of English at different proficiency levels and maintaining the idiosyncrasies pertaining to prosodic timing patterns. We created stimuli that (1) preserved the idiosyncrasies in speech rhythm while controlling for the differences in speech rate between the utterances; (2) preserved the idiosyncrasies in speech rate while controlling for the differences in speech rhythm between the utterances; and (3) preserved the idiosyncrasies both in speech rate and speech rhythm...
September 2017: Language and Speech
https://www.readbyqxmd.com/read/28912746/the-role-of-slow-speech-amplitude-envelope-for-speech-processing-and-reading-development
#5
Paula Ríos-López, Monika T Molnar, Mikel Lizarazu, Marie Lallier
This study examined the putative link between the entrainment to the slow rhythmic structure of speech, speech intelligibility and reading by means of a behavioral paradigm. Two groups of 20 children (Grades 2 and 5) were asked to recall a pseudoword embedded in sentences presented either in quiet or noisy listening conditions. Half of the sentences were primed with their syllabic and prosodic amplitude envelope to determine whether a boost in auditory entrainment to these speech features enhanced pseudoword intelligibility...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28900336/prosthetic-management-of-hard-palate-perforation-in-a-child-with-acute-lymphoblastic-leukemia
#6
Gunjan C Chouksey, Kanchan P Dholam
Palatal perforation is an uncommon complication seen in children with acute lymphoblastic leukemia undergoing chemotherapy. This may impact basic functions, such as speech, swallowing, chewing, affecting the quality of life (QOL). Prosthetic rehabilitation of the palatal perforation with obturator can optimally restore function, thereby improving and enhancing the QOL of these patients.
April 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/28894969/categorical-speech-perception-in-adults-with-autism-spectrum-conditions
#7
Mary E Stewart, Alexandra M Petrou, Mitsuhiko Ota
This study tested whether individuals with autism spectrum conditions (n = 23) show enhanced discrimination of acoustic differences that signal a linguistic contrast (i.e., /g/ versus /k/ as in 'goat' and 'coat') and whether they process such differences in a less categorical fashion as compared with 23 IQ-matched typically developed adults. Tasks administered were nonverbal IQ, verbal IQ, 5 language measures, a speech perception task, and the ADOS. The speech perception task measured the discrimination of paired exemplars along the /g/-/k/ continuum...
September 11, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28890684/neural-correlates-of-early-sound-encoding-and-their-relationship-to-speech-in-noise-perception
#8
Emily B J Coffey, Alexander M P Chepesiuk, Sibylle C Herholz, Sylvain Baillet, Robert J Zatorre
Speech-in-noise (SIN) perception is a complex cognitive skill that affects social, vocational, and educational activities. Poor SIN ability particularly affects young and elderly populations, yet varies considerably even among healthy young adults with normal hearing. Although SIN skills are known to be influenced by top-down processes that can selectively enhance lower-level sound representations, the complementary role of feed-forward mechanisms and their relationship to musical training is poorly understood...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28889325/brief-report-discrimination-of-foreign-speech-pitch-and-autistic-traits-in-non-clinical-population
#9
Lai-Sang Iao, Anna Wippich, Yu Hin Lam
Individuals with Autism Spectrum Conditions (ASC) are widely suggested to show enhanced perceptual discrimination but inconsistent findings have been reported for pitch discrimination. Given the high variability in ASC, this study investigated whether ASC traits were correlated with pitch discrimination in an undergraduate sample when musical and language experiences were taken into consideration. Results indicated that the social skills subscale of the Autism Spectrum Quotient was associated with foreign speech pitch discrimination, suggesting that individuals who were less sociable and socially skillful were less able to discriminate foreign speech pitch...
September 9, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28878961/utterance-final-position-and-pitch-marking-aid-word-learning-in-school-age-children
#10
Piera Filippi, Sabine Laaha, W Tecumseh Fitch
We investigated the effects of word order and prosody on word learning in school-age children. Third graders viewed photographs belonging to one of three semantic categories while hearing four-word nonsense utterances containing a target word. In the control condition, all words had the same pitch and, across trials, the position of the target word was varied systematically within each utterance. The only cue to word-meaning mapping was the co-occurrence of target words and referents. This cue was present in all conditions...
August 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28866559/somflow-guided-exploratory-cluster-analysis-with-self-organizing-maps-and-analytic-provenance
#11
Dominik Sacha, Matthias Kraus, Jurgen Bernard, Michael Behrisch, Tobias Schreck, Yuki Asano, Daniel A Keim
Clustering is a core building block for data analysis, aiming to extract otherwise hidden structures and relations from raw datasets, such as particular groups that can be effectively related, compared, and interpreted. A plethora of visual-interactive cluster analysis techniques has been proposed to date, however, arriving at useful clusterings often requires several rounds of user interactions to fine-tune the data preprocessing and algorithms. We present a multi-stage Visual Analytics (VA) approach for iterative cluster refinement together with an implementation (SOMFlow) that uses Self-Organizing Maps (SOM) to analyze time series data...
August 29, 2017: IEEE Transactions on Visualization and Computer Graphics
https://www.readbyqxmd.com/read/28863611/phonetic-enhancement-of-mandarin-vowels-and-tones-infant-directed-speech-and-lombard-speech
#12
Ping Tang, Nan Xu Rattanasone, Ivan Yuen, Katherine Demuth
Speech units are reported to be hyperarticulated in both infant-directed speech (IDS) and Lombard speech. Since these two registers have typically been studied separately, it is unclear if the same speech units are hyperarticulated in the same manner between these registers. The aim of the present study is to compare the effect of register on vowel and tone modification in the tonal language Mandarin Chinese. Vowel and tone productions were produced by 15 Mandarin-speaking mothers during interactions with their 12-month-old infants during a play session (IDS), in conversation with a Mandarin-speaking adult in a 70 dBA eight-talker babble noise environment (Lombard speech), and in a quiet environment (adult-directed speech)...
August 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28862007/-speech-intelligibility-in-noise-at-presbycusis
#13
Olga Dlouhá, Jan Vokřál, Libor Černý
Evaluation of speech recognition is possible by presenting testing material in sentence form with presence of competitive noise. We developed new test of sentence intelligibility in noise in the Czech language. This article demonstrates results of the influence of the babble noise on sentence intelligibility in hearing impaired listeners with presbycusis. The time characteristics of babble noise are similar to human voice. That is the reason why this noise masking is more enhanced at the central hearing level than any other noise masking...
2017: Casopís Lékar̆ů C̆eských
https://www.readbyqxmd.com/read/28842410/impaired-feedforward-control-and-enhanced-feedback-control-of-speech-in-patients-with-cerebellar-degeneration
#14
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/28835863/clozapine-induced-microseizures-orofacial-dyskinesia-and-speech-dysfluency-in-an-adolescent-with-treatment-resistant-early-onset-schizophrenia-on-concurrent-lithium-therapy
#15
Vivekananda Rachamallu, Ayman Haq, Michael M Song, Manish Aligeti
Clozapine is an atypical antipsychotic used in the treatment of refractory schizophrenia. It has a well-known side effect profile, including agranulocytosis, decreased seizure threshold, and tardive dyskinesia. In addition, numerous case reports have described clozapine-induced stuttering in adults. However, there has been only one previous case report describing it in the adolescent population. In addition, concurrent lithium therapy has been shown to enhance the neurotoxic effects of antipsychotics and lower the seizure threshold...
2017: Case Reports in Psychiatry
https://www.readbyqxmd.com/read/28826246/is-an-educational-lecture-a-critical-component-of-communication-partner-training
#16
Emma Finch, Jennifer Fleming, Ashley Cameron, Jennifer Lethlean, Kyla Hudson, Samantha Dassanayake, Steven M McPhail
PURPOSE: Little is known about the critical ingredients of successful Communication Partner Training (CPT) programmes. The aim of this randomised controlled trial was to investigate the effects of including an educational component before a conversation with a person with aphasia compared to a conversation only. METHOD: Thirty-eight speech-language pathology students were randomly allocated to either the Full programme or Conversation only groups. The Full programme group received a lecture about communication strategies then participated in a conversation with a person with aphasia, while the other group participated in the conversation only...
August 22, 2017: International Journal of Speech-language Pathology
https://www.readbyqxmd.com/read/28821642/super-optimal-perceptual-integration-suggests-a-place-based-representation-of-pitch-at-high-frequencies
#17
Bonnie K Lau, Anahita H Mehta, Andrew J Oxenham
Pitch, the perceptual correlate of sound repetition rate or frequency, plays an important role in speech perception, music perception, and listening in complex acoustic environments. Despite its perceptual importance, the neural mechanisms underlying pitch remain poorly understood. Although cortical regions responsive to pitch have been identified, little is known about how pitch information is extracted from the inner ear itself. The two primary theories of peripheral pitch coding involve stimulus-driven spike timing, or phase locking, in the auditory nerve (time code), and the spatial distribution of responses along the length of the cochlear partition (place code)...
August 17, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28818455/adipose-derived-stromal-cells-enhance-auditory-neuron-survival-in-an-animal-model-of-sensory-hearing-loss
#18
Philipp Schendzielorz, Maike Vollmer, Kristen Rak, Armin Wiegner, Nashwa Nada, Katrin Radeloff, Rudolf Hagen, Andreas Radeloff
BACKGROUND: A cochlear implant (CI) is an electronic prosthesis that can partially restore speech perception capabilities. Optimum information transfer from the cochlea to the central auditory system requires a proper functioning auditory nerve (AN) that is electrically stimulated by the device. In deafness, the lack of neurotrophic support, normally provided by the sensory cells of the inner ear, however, leads to gradual degeneration of auditory neurons with undesirable consequences for CI performance...
August 14, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28808036/reducing-posttreatment-relapse-in-cleft-lip-palatal-expansion-using-an-injectable-estrogen-nanodiamond-hydrogel
#19
Christine Hong, Dayoung Song, Dong-Keun Lee, Lawrence Lin, Hsin Chuan Pan, Deborah Lee, Peng Deng, Zhenqing Liu, Danny Hadaya, Hye-Lim Lee, Abdulaziz Mohammad, Xinli Zhang, Min Lee, Cun-Yu Wang, Dean Ho
Patients with cleft lip and/or palate (CLP), who undergo numerous medical interventions from infancy, can suffer from lifelong debilitation caused by underdeveloped maxillae. Conventional treatment approaches use maxillary expansion techniques to develop normal speech, achieve functional occlusion for nutrition intake, and improve esthetics. However, as patients with CLP congenitally lack bone in the cleft site with diminished capacity for bone formation in the expanded palate, more than 80% of the patient population experiences significant postexpansion relapse...
August 29, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28806706/auditory-cortex-lesions-impair-contralateral-tone-pattern-detection-under-informational-masking
#20
Lisa Prilop, Alexander Gutschalk
Impaired hearing contralateral to unilateral auditory-cortex lesions is typically only observed under conditions of perceptual competition, such as dichotic presentation or speech in noise. It remains unclear, however, if the source of this effect is direct competition in frequency-specific neurons, or if enhanced processing load in more distant frequencies can also impair auditory detection. To evaluate this question, we studied a group of patients with unilateral auditory-cortex lesions (N = 14, six left-hemispheric (LH), eight right-hemispheric (RH); four females; age range 26-72 years) and a control group (N = 25; 15 females; age range 18-76 years) with a target-detection task in presence of a multi-tone masker, which can produce informational masking...
July 19, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
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