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https://www.readbyqxmd.com/read/28815262/semantic-and-phonological-encoding-in-adults-who-stutter-silent-responses-to-pictorial-stimuli
#1
Irena Vincent
Purpose: Research on language planning in adult stuttering is relatively sparse and offers diverging arguments about a potential causative relationship between semantic and phonological encoding and fluency breakdowns. This study further investigated semantic and phonological encoding efficiency in adults who stutter (AWS) by means of silent category and phoneme identification, respectively. Method: Fifteen AWS and 15 age- and sex-matched adults who do not stutter (ANS) participated...
August 16, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28796166/speechlessness-in-gilles-de-la-tourette-syndrome-cannabis-based-medicines-improve-severe-vocal-blocking-tics-in-two-patients
#2
Ewgeni Jakubovski, Kirsten Müller-Vahl
We report the cases of two young German male patients with treatment-resistant Tourette syndrome (TS), who suffer from incapacitating stuttering-like speech disfluencies caused by vocal blocking tics and palilalia. Case 1: a 19-year old patient received medical cannabis at a dose of 1 × 0.1 g cannabis daily. Case 2: a 16-year old patient initially received dronabinol at a maximum dose of 22.4-33.6 mg daily. Both treatments provided significant symptom improvement of vocal blocking tics as well as of comorbid conditions and were well tolerated...
August 10, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28770838/observation-of-the-hyperfine-spectrum-of-antihydrogen
#3
M Ahmadi, B X R Alves, C J Baker, W Bertsche, E Butler, A Capra, C Carruth, C L Cesar, M Charlton, S Cohen, R Collister, S Eriksson, A Evans, N Evetts, J Fajans, T Friesen, M C Fujiwara, D R Gill, A Gutierrez, J S Hangst, W N Hardy, M E Hayden, C A Isaac, A Ishida, M A Johnson, S A Jones, S Jonsell, L Kurchaninov, N Madsen, M Mathers, D Maxwell, J T K McKenna, S Menary, J M Michan, T Momose, J J Munich, P Nolan, K Olchanski, A Olin, P Pusa, C Ø Rasmussen, F Robicheaux, R L Sacramento, M Sameed, E Sarid, D M Silveira, S Stracka, G Stutter, C So, T D Tharp, J E Thompson, R I Thompson, D P van der Werf, J S Wurtele
The observation of hyperfine structure in atomic hydrogen by Rabi and co-workers and the measurement of the zero-field ground-state splitting at the level of seven parts in 10(13) are important achievements of mid-twentieth-century physics. The work that led to these achievements also provided the first evidence for the anomalous magnetic moment of the electron, inspired Schwinger's relativistic theory of quantum electrodynamics and gave rise to the hydrogen maser, which is a critical component of modern navigation, geo-positioning and very-long-baseline interferometry systems...
August 2, 2017: Nature
https://www.readbyqxmd.com/read/28763803/executive-functions-impact-the-relation-between-respiratory-sinus-arrhythmia-and-frequency-of-stuttering-in-young-children-who-do-and-do-not-stutter
#4
Robin M Jones, Tedra A Walden, Edward G Conture, Aysu Erdemir, Warren E Lambert, Stephen W Porges
Purpose: This study sought to determine whether respiratory sinus arrhythmia (RSA) and executive functions are associated with stuttered speech disfluencies of young children who do (CWS) and do not stutter (CWNS). Method: Thirty-six young CWS and 36 CWNS were exposed to neutral, negative, and positive emotion-inducing video clips, followed by their participation in speaking tasks. During the neutral video, we measured baseline RSA, a physiological index of emotion regulation, and during video viewing and speaking, we measured RSA change from baseline, a physiological index of regulatory responses during challenge...
August 16, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28759567/functional-neural-circuits-that-underlie-developmental-stuttering
#5
Jianping Qiao, Zhishun Wang, Guihu Zhao, Yuankai Huo, Carl L Herder, Chamonix O Sikora, Bradley S Peterson
The aim of this study was to identify differences in functional and effective brain connectivity between persons who stutter (PWS) and typically developing (TD) fluent speakers, and to assess whether those differences can serve as biomarkers to distinguish PWS from TD controls. We acquired resting-state functional magnetic resonance imaging data in 44 PWS and 50 TD controls. We then used Independent Component Analysis (ICA) together with Hierarchical Partner Matching (HPM) to identify networks of robust, functionally connected brain regions that were highly reproducible across participants, and we assessed whether connectivity differed significantly across diagnostic groups...
2017: PloS One
https://www.readbyqxmd.com/read/28746463/speech-fluency-profile-on-different-tasks-for-individuals-with-parkinson-s-disease
#6
Fabiola Staróbole Juste, Claudia Regina Furquim de Andrade
Purpose: To characterize the speech fluency profile of patients with Parkinson's disease. Methods: Study participants were 40 individuals of both genders aged 40 to 80 years divided into 2 groups: Research Group - RG (20 individuals with diagnosis of Parkinson's disease) and Control Group - CG (20 individuals with no communication or neurological disorders). For all of the participants, three speech samples involving different tasks were collected: monologue, individual reading, and automatic speech...
July 20, 2017: CoDAS
https://www.readbyqxmd.com/read/28744239/social-and-cognitive-impressions-of-adults-who-do-and-do-not-stutter-based-on-listeners-perceptions-of-read-speech-samples
#7
Lauren J Amick, Soo-Eun Chang, Juli Wade, J Devin McAuley
Stuttering is a neurodevelopmental disorder characterized by frequent and involuntary disruptions during speech production. Adults who stutter are often subject to negative perceptions. The present study examined whether negative social and cognitive impressions are formed when listening to speech, even without any knowledge about the speaker. Two experiments were conducted in which naïve participants were asked to listen to and provide ratings on samples of read speech produced by adults who stutter and typically-speaking adults without knowledge about the individuals who produced the speech...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28741037/shifted-dynamic-interactions-between-subcortical-nuclei-and-inferior-frontal-gyri-during-response-preparation-in-persistent-developmental-stuttering
#8
F Luise Metzger, Tibor Auer, Gunther Helms, Walter Paulus, Jens Frahm, Martin Sommer, Nicole E Neef
Persistent developmental stuttering is associated with basal ganglia dysfunction or dopamine dysregulation. Here, we studied whole-brain functional connectivity to test how basal ganglia structures coordinate and reorganize sensorimotor brain networks in stuttering. To this end, adults who stutter and fluent speakers (control participants) performed a response anticipation paradigm in the MRI scanner. The preparation of a manual Go/No-Go response reliably produced activity in the basal ganglia and thalamus and particularly in the substantia nigra...
July 24, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28738099/a-case-series-on-the-effectiveness-of-lurasidone-in-patients-with-stuttering
#9
Janet Charoensook, Gerald A Maguire
BACKGROUND: The prevalence of stuttering is approximately 1% of the population, affecting an estimated 3 million individuals in the United States. The dopamine hypothesis of stuttering explains that abnormally increased cerebral dopamine affects the balanced levels that maintain the basal ganglia circuits, which helps with timing cues in initiating speech. This is especially significant when considering treatment strategies. We report a reduction in stuttering with lurasidone, a potent D2 receptor antagonist with a relatively favorable adverse effects profile...
August 2017: Annals of Clinical Psychiatry: Official Journal of the American Academy of Clinical Psychiatrists
https://www.readbyqxmd.com/read/28710926/speech-and-language-therapy-service-delivery-overcoming-limited-provision-for-children
#10
L M T Jesus, J Martinez, A R Valente, M C Costa
OBJECTIVES: To test an alternative Speech and Language Therapy (SLT) service delivery model based on partnerships between a University and local schools and charities, and to report on the impact and feasibility of intervention based on long-term outcome measures and three case studies with individual analysis of Reliable Change. STUDY DESIGN: The following six-step model was tested: 1-establishing partnerships; 2-flagging children; 3-pre-treatment SLT assessment; 4-reporting and discussion with parents and teachers; 5-treatment; 6-post-treatment assessment...
July 12, 2017: Public Health
https://www.readbyqxmd.com/read/28700972/evaluating-the-use-of-in-situ-turbidity-measurements-to-quantify-fluvial-sediment-and-phosphorus-concentrations-and-fluxes-in-agricultural-streams
#11
Marc Stutter, Julian J C Dawson, Miriam Glendell, Fiona Napier, Jacqueline M Potts, James Sample, Andrew Vinten, Helen Watson
Accurate quantification of suspended sediments (SS) and particulate phosphorus (PP) concentrations and loads is complex due to episodic delivery associated with storms and management activities often missed by infrequent sampling. Surrogate measurements such as turbidity can improve understanding of pollutant behaviour, providing calibrations can be made cost-effectively and with quantified uncertainties. Here, we compared fortnightly and storm intensive water quality sampling with semi-continuous turbidity monitoring calibrated against spot samples as three potential methods for determining SS and PP concentrations and loads in an agricultural catchment over two-years...
July 9, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28697606/dysphonia-in-adults-with-developmental-stuttering-a-descriptive-study
#12
Anél Botha, Elizbé Ras, Shabnam Abdoola, Jeannie Van der Linde
BACKGROUND: Persons with stuttering (PWS) often present with other co-occurring conditions. The World Health Organization's (WHO) International Classification of Functioning, Disability and Health (ICF) proposes that it is important to understand the full burden of a health condition. A few studies have explored voice problems among PWS, and the characteristics of voices of PWS are relatively unknown. The importance of conducting future research has been emphasised. OBJECTIVES: This study aimed to describe the vocal characteristics of PWS...
June 26, 2017: South African Journal of Communication Disorders. die Suid-Afrikaanse Tydskrif Vir Kommunikasieafwykings
https://www.readbyqxmd.com/read/28688559/an-evaluation-of-oxidative-and-nitrosative-stress-in-children-who-stutter-and-its-relationship-to-severity
#13
Nagihan Bilal, Selman Sarica, Ergül Belge Kurutas, Ebru Findikli, İsrafil Orhan, Erkan Oner, Adem Doganer, Saime Sagiroglu, Mehmet Akif Kilic
OBJECTIVES: Although there has been much research into the cause of stuttering, it has not yet been fully clarified. There is known to be a close relationship between stress severity and stuttering. The aim of this study was to evaluate the levels of oxidative and nitrosative stress by comparing a stuttering group and a control group. It was also aimed to evaluate the relationship between the oxidative and nitrosative stress levels and the severity of the stutter. METHODS: The study included a total of 80 individuals, comprising a study group of 40 and a control group of 40...
August 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28683227/supervised-injectable-heroin-a-clinical-perspective
#14
James Bell, Rob van der Waal, John Strang
BACKGROUND: Six recent randomised control trials (RCTs) have suggested that supervised injectable heroin (SIH) can be effective in patients who persist in street heroin use during methadone treatment. However, short-term randomised control trials have limitations in assessing the effectiveness of treatments for addictive disorders, which are chronic and relapsing disorders of motivation. These RCTs particularly fail to capture the process of the SIH treatment and the diversity of influence and change over time...
July 2017: Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie
https://www.readbyqxmd.com/read/28680088/developmental-validation-of-a-6-dye-typing-system-with-27-loci-and-application-in-han-population-of-china
#15
Yaju Liu, Lihong Guo, Haiying Jin, Zheng Li, Rufeng Bai, Meisen Shi, Shuhua Ma
In this study, a novel 27-locus system (now known as the SureID PanGlobal system), including 24 autosomal STRs (D3S1358, TH01, D21S11, D18S51, Penta E, D12S391, D6S1043, D2S1338, D1S1656, D2S441, D5S818, D13S317, D7S820, D19S433, CSF1PO, Penta D, vWA, D8S1179, TPOX, FGA, D16S539, D22S1045, SE33, D10S1248), two Y-chromosome markers (DYS391 and Y-indel) and the sex determining marker, Amelogenin was developed with six fluorescent dyes labeling. The included STR loci belonged to the core loci in the Combined DNA Index System (CODIS) and the European Standard Set (ESS) as well as some additional loci commonly used in commercial kits and national DNA databases...
July 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28665756/stuttering-on-function-words-in-bilingual-children-who-stutter-a-preliminary-study
#16
Zoi Gkalitsiou, Courtney T Byrd, Lisa M Bedore, Casey L Taliancich-Klinger
Evidence suggests young monolingual children who stutter (CWS) are more disfluent on function than content words, particularly when produced in the initial utterance position. The purpose of the present preliminary study was to investigate whether young bilingual CWS present with this same pattern. The narrative and conversational samples of four bilingual Spanish- and English-speaking CWS were analysed. All four bilingual participants produced significantly more stuttering on function words compared to content words, irrespective of their position in the utterance, in their Spanish narrative and conversational speech samples...
June 30, 2017: Clinical Linguistics & Phonetics
https://www.readbyqxmd.com/read/28665156/fluency-adaptation-in-speakers-with-parkinson-disease-a-motor-learning-perspective
#17
Jason A Whitfield, Catharine Delong, Alexander M Goberman, Michael Blomgren
PURPOSE: Fluency adaptation is characterised by a reduction in stuttering-like behaviours over successive readings of the same speech material and is an effect that is typically observed in developmental stuttering. Prominent theories suggest that short-term motor learning associated with practice explain, in part, fluency adaptation. The current investigation examined the fluency adaptation effect in a group of speakers with Parkinson disease (PD) who exhibited stuttering-like disfluencies...
June 30, 2017: International Journal of Speech-language Pathology
https://www.readbyqxmd.com/read/28655373/the-pathogenesis-assessment-and-treatment-of-speech-fluency-disorders
#18
Katrin Neumann, Harald A Euler, Hans-Georg Bosshardt, Susanne Cook, Patricia Sandrieser, Martin Sommer
BACKGROUND: Approximately 1% of children and adolescents, 0.2% of women, and 0.8% of men suffer from stuttering, and lesser numbers from cluttering. Persistent speech fluency disorders often cause lifelong problems in communication and social participation. METHODS: In an interdisciplinary, evidence and consensus based clinical practice guideline, the current understanding of the nature, identification, diagnosis, and treatment of stuttering and cluttering was summarized...
June 5, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28654945/quantification-and-systematic-characterization-of-stuttering-like-disfluencies-in-acquired-apraxia-of-speech
#19
Dallin J Bailey, Michael Blomgren, Catharine DeLong, Kiera Berggren, Julie L Wambaugh
Purpose: The purpose of this article is to quantify and describe stuttering-like disfluencies in speakers with acquired apraxia of speech (AOS), utilizing the Lidcombe Behavioural Data Language (LBDL). Additional purposes include measuring test-retest reliability and examining the effect of speech sample type on disfluency rates. Method: Two types of speech samples were elicited from 20 persons with AOS and aphasia: repetition of mono- and multisyllabic words from a protocol for assessing AOS (Duffy, 2013), and connected speech tasks (Nicholas & Brookshire, 1993)...
June 22, 2017: American Journal of Speech-language Pathology
https://www.readbyqxmd.com/read/28648465/planum-temporale-asymmetry-in-people-who-stutter
#20
Patricia M Gough, Emily L Connally, Peter Howell, David Ward, Jennifer Chesters, Kate E Watkins
PURPOSE: Previous studies have reported that the planum temporale - a language-related structure that normally shows a leftward asymmetry - had reduced asymmetry in people who stutter (PWS) and reversed asymmetry in those with severe stuttering. These findings are consistent with the theory that altered language lateralization may be a cause or consequence of stuttering. Here, we re-examined these findings in a larger sample of PWS. METHODS: We evaluated planum temporale asymmetry in structural MRI scans obtained from 67 PWS and 63 age-matched controls using: 1) manual measurements of the surface area; 2) voxel-based morphometry to automatically calculate grey matter density...
June 16, 2017: Journal of Fluency Disorders
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