Publication date: Available online 23 May 2018
Source:Revista de Logopedia, Foniatría y Audiología
Author(s): Carlos A. Calvache-Mora, María A. Ríos-Ramírez
IntroducciónEl presente estudio analiza la producción científica internacional encontrada en Scopus y Web of Science relacionada con la Corriente de Rehabilitación Vocal Fisiológica en el periodo 2006 a 2015.MetodologíaEstudio exploratorio-descriptivo con 3 fases de desarrollo: a) selección de palabras clave y criterios de búsqueda; b) búsqueda y sistematización de información; c) análisis de la información.ResultadosLa mayor producción científica se identifica en la herramienta de búsqueda Scopus bajo el criterio de búsqueda «voice therapy». Se analizaron un total de 167 publicaciones, realizando correlaciones a partir de las variables año, criterios de búsqueda, autores, factor de impacto por cuartil y por citación.ConclusiónExiste alta correlación y grado de solapamiento entre ambas bases de datos. Sin embargo, Scopus comparada con Web of Science, con relación a las líneas de la Corriente de Rehabilitación Vocal Fisiológica y para el periodo estudiado, presentó un mayor porcentaje de producción científica. Las líneas con mayor impacto científico son «terapia Lee Silverman» y «ejercicios de la función vocal». «Ejercicios TVSO» y «terapia de voz resonante», con menos porcentaje de publicaciones, desde 2011 incrementan progresivamente factores de alto impacto.IntroductionThe present study looks at the international scientific production found in Scopus and Web of Science, related to the Physiological Vocal Rehabilitation Current in the period 2006-2015.MethodologyExploratory-descriptive study with three phases of development: A) selection of keywords and search criteria; B) search and systematization of information; C) analysis of information.ResultsThe highest scientific production is identified in the Scopus search tool under the “voice therapy” search criterion. A total of 167 publications were analyzed, making correlations from the year, search criteria, authors, impact factor by quartile and by citation variables.ConclusionThere is a high correlation and degree of overlap between the two databases. However, Scopus compared to Web of Science, in relation to the Physiological Vocal Rehabilitation Current lines and for the period studied, presented a higher percentage of scientific production. The lines with the greatest scientific impact are “Lee Silverman therapy” and “vocal function exercises”. “SOVT exercises” and “resonant voice therapy”, with less percentage of publications, since 2011 progressively increase high impact factors.
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Πέμπτη 24 Μαΐου 2018
Marcadores del trastorno específico del lenguaje en español: comparación entre la repetición de oraciones y la repetición de pseudopalabras
Publication date: Available online 24 May 2018
Source:Revista de Logopedia, Foniatría y Audiología
Author(s): Gerardo Aguado, Juan Cruz Ripoll, Milagros M. Tapia, Mark Gibson
ObjetivoEl objetivo de este trabajo es comparar 2 marcadores del trastorno específico del lenguaje en niños españoles de 5 a 7 años. Estos marcadores son la repetición de oraciones y la repetición de pseudopalabras, que son los utilizados para esta función en la investigación sobre este trastorno. Los 2 remiten a déficits de memoria como origen de este trastorno. Se revisan las formas en que estas tareas han sido utilizadas en el marcaje del trastorno específico del lenguaje.ParticipantesSe han aplicado estas tareas a 3 grupos de niños de 5 a 7 años; uno constituido por niños con trastorno específico del lenguaje, otro por niños con trastorno de habla y articulación y otro con niños con desarrollo típico.ResultadosLos análisis discriminantes y la curva ROC ponen de manifiesto que es la repetición de oraciones la que tiene una mayor sensibilidad y especificidad para distinguir a los niños con trastorno específico del lenguaje de los niños con desarrollo típico, pero muestra una sensibilidad discreta en la diferenciación de los niños con desarrollo típico de los que tienen trastorno de habla y articulación. Ninguna de las tareas logra diferenciar con una precisión aceptable a los niños con trastorno específico del lenguaje de los que tienen trastorno de habla y articulación.Discusión y conclusionesSe explican las razones de la distinta potencia marcadora de ambas tareas para identificar a los niños con trastorno específico del lenguaje, trastorno de habla y articulación y desarrollo típico.ObjectiveThis study compares two markers of Specific Language Impairment in Spanish children aged 5 to 7. The markers examined are sentence repetition and pseudoword repetition, which are the two main tasks outlined in the research to identify this disorder. Both contemplate memory deficits as the source of this disorder. We review the ways in which these tasks have been used in marking Specific Language Impairment.ParticipantsThese tasks have been applied to three groups of children, aged 5 to 7 years; one consisting of children with Specific Language Impairment, another of children with Speech Sound Disorder and another of children who are typically developing.ResultsThe results of the discriminant analysis and ROC curve show that sentence repetition exhibits higher sensitivity and specificity in distinguishing children with Specific Language Impairment from children who are typically developing, but only show modest sensibility in differentiating children who are typically developing from children with Speech Sound Disorder. Neither of the two tasks can distinguish with acceptable accuracy children with Specific Language Impairment from children with Speech Sound Disorder.Discussion and conclusionsWe explain the reasons of different marking power to identify children with Specific Language Impairment, Speech Sound Disorder and typical development.
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Source:Revista de Logopedia, Foniatría y Audiología
Author(s): Gerardo Aguado, Juan Cruz Ripoll, Milagros M. Tapia, Mark Gibson
ObjetivoEl objetivo de este trabajo es comparar 2 marcadores del trastorno específico del lenguaje en niños españoles de 5 a 7 años. Estos marcadores son la repetición de oraciones y la repetición de pseudopalabras, que son los utilizados para esta función en la investigación sobre este trastorno. Los 2 remiten a déficits de memoria como origen de este trastorno. Se revisan las formas en que estas tareas han sido utilizadas en el marcaje del trastorno específico del lenguaje.ParticipantesSe han aplicado estas tareas a 3 grupos de niños de 5 a 7 años; uno constituido por niños con trastorno específico del lenguaje, otro por niños con trastorno de habla y articulación y otro con niños con desarrollo típico.ResultadosLos análisis discriminantes y la curva ROC ponen de manifiesto que es la repetición de oraciones la que tiene una mayor sensibilidad y especificidad para distinguir a los niños con trastorno específico del lenguaje de los niños con desarrollo típico, pero muestra una sensibilidad discreta en la diferenciación de los niños con desarrollo típico de los que tienen trastorno de habla y articulación. Ninguna de las tareas logra diferenciar con una precisión aceptable a los niños con trastorno específico del lenguaje de los que tienen trastorno de habla y articulación.Discusión y conclusionesSe explican las razones de la distinta potencia marcadora de ambas tareas para identificar a los niños con trastorno específico del lenguaje, trastorno de habla y articulación y desarrollo típico.ObjectiveThis study compares two markers of Specific Language Impairment in Spanish children aged 5 to 7. The markers examined are sentence repetition and pseudoword repetition, which are the two main tasks outlined in the research to identify this disorder. Both contemplate memory deficits as the source of this disorder. We review the ways in which these tasks have been used in marking Specific Language Impairment.ParticipantsThese tasks have been applied to three groups of children, aged 5 to 7 years; one consisting of children with Specific Language Impairment, another of children with Speech Sound Disorder and another of children who are typically developing.ResultsThe results of the discriminant analysis and ROC curve show that sentence repetition exhibits higher sensitivity and specificity in distinguishing children with Specific Language Impairment from children who are typically developing, but only show modest sensibility in differentiating children who are typically developing from children with Speech Sound Disorder. Neither of the two tasks can distinguish with acceptable accuracy children with Specific Language Impairment from children with Speech Sound Disorder.Discussion and conclusionsWe explain the reasons of different marking power to identify children with Specific Language Impairment, Speech Sound Disorder and typical development.
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Τετάρτη 23 Μαΐου 2018
Effects of Amplification and Hearing Aid Experience on the Contribution of Specific Frequency Bands to Loudness
Objectives: The primary aim of this study is to describe the effect of hearing aid amplification on the contribution of specific frequency bands to overall loudness in adult listeners with sensorineural hearing loss (SNHL). Results for listeners with SNHL were compared with results for listeners with normal hearing (NH) to evaluate whether amplification restores the normal perception of loudness for broadband sound. A secondary aim of this study is to determine whether the loudness perception of new hearing aid users becomes closer to normal over the first few months of hearing aid use. It was hypothesized that amplification would cause the high-frequency bands to contribute most to the perception of loudness and that this effect might decrease as new hearing aid users adapt to amplification. Design: In experiment 1, 8 adult listeners with SNHL completed a two-interval forced-choice loudness task in unaided and aided conditions. A control group of 7 listeners with NH completed the task in the unaided condition only. Stimuli were composed of seven summed noise bands whose levels were independently adjusted between presentations. During a trial, two stimuli were presented, and listeners determined the louder one. The correlation between the difference in levels for a given noise band on every trial and the listener’s response was calculated. The resulting measure is termed the perceptual weight because it provides an estimate of the relative contribution of a given frequency region to overall loudness. In experiment 2, a separate group of 6 new hearing aid users repeated identical procedures on 2 sessions separated by 12 weeks. Results: Results for listeners with SNHL were similar in experiments 1 and 2. In the unaided condition, perceptual weights were greatest for the low-frequency bands. In the aided condition, perceptual weights were greatest for the high-frequency bands. On average, the aided perceptual weights for listeners with SNHL for high-frequency bands were greater than the unaided weights for listeners with NH. In experiment 2, hearing aid experience did not have a significant effect on perceptual weights. Conclusions: The high frequencies seem to dominate loudness perception in listeners with SNHL using hearing aids as they do in listeners with NH. However, the results suggest that amplification causes high frequencies to have a larger contribution to overall loudness compared with listeners with NH. The contribution of the high frequencies to loudness did not change after an acclimatization period for the first-time hearing aid users. ACKNOWLEDGMENTS: The authors credit Thomas Creutz for waveform computation and development of a data extraction program and thank the clinical audiologists at Boys Town National Research Hospital for their willingness to assist with subject recruitment and gathering of clinical data. Funding for the project was provided by the National Institute of Health NIDCD grant R01 DC011806. Participant recruitment was facilitated by P30 DC004662. These experiments were presented at two consecutive meetings of the American Auditory Society in Scottsdale, AZ; experiment 1 was presented in 2016, and experiment 2 was presented in 2017. This work was performed in collaboration with the University of Nebraska-Lincoln in fulfillment of the first author’s Doctor of Audiology (AuD) capstone research project. The authors have no conflicts of interest to disclose. Address for correspondence: Katie Thrailkill, Boys Town National Research Hospital, 555 N 30th St, Omaha, NE 68131, USA. E-mail: kthrailkill@huskers.unl.edu Received May 16, 2017; accepted March 27, 2018. Copyright © 2018 Wolters Kluwer Health, Inc. All rights reserved.
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Heritability of Age-Related Hearing Loss in Middle-Aged and Elderly Chinese: A Population-Based Twin Study
Objectives: The heritability of age-related hearing loss has been studied mostly in developed countries. The authors aimed to estimate the heritability of better ear hearing level (BEHL), defined as hearing level of the better ear at a given frequency, and pure-tone averages at the middle (0.5, 1.0, and 2.0 kHz) and high (4.0, 8.0, and 12.5 kHz) frequencies among middle-aged and elderly Chinese twins, and to explore their genetic correlations. Design: This population-based twin study included 226 monozygotic and 132 dizygotic twin-pairs and 1 triplet (age range, 33 to 80 years; mean age, 51.55 years). Pure-tone air-conducted hearing thresholds in each ear were measured at the frequencies of 0.5, 1.0, 2.0, 4.0, 8.0, and 12.5 kHz with a diagnostic audiometer. Univariate and multivariate twin models were fitted to evaluate heritability and genetic correlations. Results: Our data showed a reverse J-shaped pattern of BEHLs at six frequencies by age and sex. Univariate analysis showed that the heritability of BEHLs at the frequencies between 2.0 and 12.5 kHz ranged from 47.08 to 54.20%, but the heritability at the frequencies of 0.5 and 1.0 kHz was 1.65% and 18.68%, respectively. The heritability of pure-tone average at the middle and high frequencies was 34.77% and 43.26%, respectively. Multivariate analysis showed significant genetic correlations among BEHLs at all six frequencies, with the correlation coefficients ranging from 0.48 to 0.83 at middle frequencies, and from 0.46 to 0.75 at high frequencies. Conclusions: This population-based twin study suggests that genetic factors are associated with age-related hearing loss at middle and high frequencies among middle-aged and elderly Chinese. Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and text of this article on the journal’s Web site (www.ear-hearing.com). ACKNOWLEDGMENTS: This study was supported by grants from the National Natural Science Foundation of China (grants no. 81703292 and 31371024), the China Postdoctoral Science Foundation (2016M590622), the Qingdao Postdoctoral Application Research Project (2015150), the Qingdao Key Health Discipline Development Fund, the Qingdao Outstanding Health Professional Development Fund, and the Shandong Medical and Health Science and Technology Development Program (2015wso329). The authors have no conflicts of interest to disclose. Address for correspondence: Dongfeng Zhang, Department of Public Health, Qingdao University Medical College, Dengzhou Street 38, Qingdao 266021, Shandong, China. E-mail: zhangdf1961@126.com; or Chengxuan Qiu, Aging Research Center, Karolinska Institutet, Tomtebodavägen 18, 171 65 Solna, Sweden. E-mail: chengxuan.qiu@ki.se Received October 31, 2016; accepted March 30, 2018. Copyright © 2018 Wolters Kluwer Health, Inc. All rights reserved.
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