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Audiology Research

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https://www.readbyqxmd.com/read/28217275/multicentre-evaluation-of-the-na%C3%A3-da-ci-q70-sound-processor-feedback-from-cochlear-implant-users-and-professionals
#1
Jeanette Martin, Christine Poncet-Wallet, Angelika Illg, Sarah Perrin-Webb, Lise Henderson, Nathalie Noël-Petroff, Gennaro Auletta, Maria Grazia Barezzani, Karim Houri, Indian Research Group, Heike Bagus, Ulrich Hoppe, Jane Humphries, Wiebke van Treeck, Jeroen J Briaire, Martina Brendel, Nathalie Mathias
The aim of this survey was to gather data from both implant recipients and professionals on the ease of use of the Naída CI Q70 (Naída CI) sound processor from Advanced Bionics and on the usefulness of the new functions and features available. A secondary objective was to investigate fitting practices with the new processor. A comprehensive user satisfaction survey was conducted in a total of 186 subjects from 24 centres. In parallel, 23 professional questionnaires were collected from 11 centres. Overall, there was high satisfaction with the Naída CI processor from adults, children, experienced and new CI users as well as from professionals...
August 23, 2016: Audiology Research
https://www.readbyqxmd.com/read/28028428/item-response-theory-applied-to-factors-affecting-the-patient-journey-towards-hearing-rehabilitation
#2
Michelene Chenault, Martijn Berger, Bernd Kremer, Lucien Anteunis
To develop a tool for use in hearing screening and to evaluate the patient journey towards hearing rehabilitation, responses to the hearing aid rehabilitation questionnaire scales aid stigma, pressure, and aid unwanted addressing respectively hearing aid stigma, experienced pressure from others; perceived hearing aid benefit were evaluated with item response theory. The sample was comprised of 212 persons aged 55 years or more; 63 were hearing aid users, 64 with and 85 persons without hearing impairment according to guidelines for hearing aid reimbursement in the Netherlands...
August 23, 2016: Audiology Research
https://www.readbyqxmd.com/read/27942374/new-treatment-strategy-for-apogeotropic-horizontal-canal-benign-paroxysmal-positional-vertigo
#3
Francisco Zuma E Maia
The apogeotropic variant of horizontal semicircular canal benign paroxysmal positional vertigo (HC-BPPV) is attributed to canalithiasis of the anterior arm or cupulolithiasis. Despite some therapeutic maneuvers, I propose a new treatment strategy for apogeotropic HC-BPPV that is designed to detach both the otoconial debris from the anterior arm of the semicircular canal and the debris that is attached to the utricular side of the cupula using inertia and gravity and based on simulations with a 3D biomechanical model...
August 23, 2016: Audiology Research
https://www.readbyqxmd.com/read/27942373/impact-of-different-cutoff-criteria-on-rate-of-central-auditory-processing-disorders-diagnosis-using-the-central-test-battery
#4
Mohsin Ahmed Shaikh, Lisa Fox-Thomas, Denise Tucker
The purpose of this study was to quantify how the use of two different cutoff criteria affects the test failure rate and potential diagnosis of central auditory processing disorder ([C]APD) in a sample of children subjected to central auditory processing ([C]AP) assessment. Test failure rates for the central test battery (CTB) using two different cutoff criteria (1 and 2 SDs below the mean) were measured retrospectively for 98 children who completed (C)AP assessment. The rates of potential (C)APD diagnosis ranged from 86...
August 23, 2016: Audiology Research
https://www.readbyqxmd.com/read/27942372/transient-noise-reduction-in-cochlear-implant-users-a-multi-band-approach
#5
Karl-Heinz Dyballa, Phillipp Hehrmann, Volkmar Hamacher, Thomas Lenarz, Andreas Buechner
A previously-tested transient noise reduction (TNR) algorithm for cochlear implant (CI) users was modified to detect and attenuate transients independently across multiple frequency-bands. Since speech and transient noise are often spectrally distinct, we hypothesized that benefits in speech intelligibility can be achieved over the earlier single-band design. Fifteen experienced CI users (49 to 72 years) were tested unilaterally using pre-processed stimuli delivered directly to a speech processor. Speech intelligibility in transient and soft stationary noise, subjective sound quality and the recognition of warning signals was investigated in three processing conditions: no TNR (TNRoff), single-band TNR (TNRsgl) and multi-band TNR (TNRmult)...
August 23, 2016: Audiology Research
https://www.readbyqxmd.com/read/27942371/an-exploratory-study-identifying-a-possible-response-shift-phenomena-of-the-glasgow-hearing-aid-benefit-profile
#6
Jonathan Arthur, Tessa Watts, Ruth Davies, Vinaya Manchaiah, Julie Slater
A then-test technique was used to investigate the possibility of a response shift in the Glasgow hearing aid benefit profile (GHABP). Following completion of part 1 of the GHABP, 16 adults were invited for hearing-aid follow up appointments. In accordance with then-test technique, participants were asked to think back to before they had their hearing-aids fitted and the GHABP part 1 was completed again to re-establish the disability and handicap scores. These scores were then compared with the initial GHABP part I scores...
August 23, 2016: Audiology Research
https://www.readbyqxmd.com/read/27588165/translation-and-adaptation-of-five-english-language-self-report-health-measures-to-south-indian-kannada-language
#7
Spoorthi Thammaiah, Vinaya Manchaiah, Vijayalakshmi Easwar, Rajalakshmi Krishna
The objective of this study was to translate and adapt five English self-report health measures to a South Indian language Kannada. Currently, no systematically developed questionnaires assessing hearing rehabilitation outcomes are available for clinical or research use in Kannada. The questionnaires included for translation and adaptation were the hearing handicap questionnaire, the international outcome inventory - hearing aids, the self-assessment of communication, the participation scale, and the assessment of quality of life - 4 dimensions...
April 20, 2016: Audiology Research
https://www.readbyqxmd.com/read/27588164/endothelial-dysfunction-in-idiopathic-sudden-sensorineural-hearing-loss-a-review
#8
REVIEW
Nicola Quaranta, Vincenzo De Ceglie, Alessandra D'Elia
An endothelial dysfunction has been described in idiopathic sudden sensorineural hearing loss (ISSHL) patients. The purpose of our review was to: i) identify, evaluate and review recent research about cardiovascular risk factors involvement and signs of endothelial dysfunction in ISSHL; ii) implication of these discovering in clinical practice and future research. A Medline literature search was conducted to identify any study on the involvement of endothelial dysfunction in ISSHL, published in the English language in the last decade...
April 20, 2016: Audiology Research
https://www.readbyqxmd.com/read/27588163/decrease-in-middle-ear-resonance-frequency-during-pregnancy
#9
Emine Kutlu Dag, Cagri Gulumser, Seyra Erbek
Many physiological changes occur during pregnancy. The aim of the study was to reveal whether there is a change in middle ear resonance frequency during pregnancy. A prospective case-control study was designed at a tertiary referral center. The study included 46 pregnant women at the third trimester (27-40 weeks) and 43 nonpregnant voluntary women. All the study subjects underwent pure-tone audiometry and multifrequency tympanometry. Pure-tone hearing levels at frequencies of 250 to 8000 Hz and resonance frequency values were compared between pregnant and nonpregnant women...
April 20, 2016: Audiology Research
https://www.readbyqxmd.com/read/27588162/survey-of-cochlear-implant-user-satisfaction-with-the-neptune%C3%A2-waterproof-sound-processor
#10
Jeroen J Briaire, Andreas Büchner, Gennaro Auletta, Helena Arroyo, Carmen Zoilo, Patrizia Mancini, Roberta Buhagiar, Neelam Vaid, Nathalie Mathias
A multi-center self-assessment survey was conducted to evaluate patient satisfaction with the Advanced Bionics Neptune™ waterproof sound processor used with the AquaMic™ totally submersible microphone. Subjective satisfaction with the different Neptune™ wearing options, comfort, ease of use, sound quality and use of the processor in a range of active and water related situations were assessed for 23 adults and 73 children, using an online and paper based questionnaire. Upgraded subjects compared their previous processor to the Neptune™...
April 20, 2016: Audiology Research
https://www.readbyqxmd.com/read/27588161/behavior-of-the-posterior-semicircular-canal-after-dix-hallpike-maneuver
#11
Francisco Carlos Zuma e Maia, Pedro Luiz Mangabeira Albernaz, Renato Valério Cal
The objective of the present study is to analyze the quantitative vestibulo-ocular responses in a group of patients with benign paroxysmal positional vertigo (BPPV) canalolithiasis and compare these data with the data of the tridimensional biomechanical model. This study was conducted on 70 patients that presented idiopathic posterior semicircular canal canalolithiasis. The diagnosis was obtained by Dix-Hallpike maneuvers recorded by videonystagmograph. The present study demonstrates that there is a significant correlation between the intensity of the nystagmus and its latency in cases of BPPV-idiopathic posterior semicircular canal canalolithiasis type...
April 20, 2016: Audiology Research
https://www.readbyqxmd.com/read/27588160/automated-classification-of-vowel-category-and-speaker-type-in-the-high-frequency-spectrum
#12
Jeremy J Donai, Saeid Motiian, Gianfranco Doretto
The high-frequency region of vowel signals (above the third formant or F3) has received little research attention. Recent evidence, however, has documented the perceptual utility of high-frequency information in the speech signal above the traditional frequency bandwidth known to contain important cues for speech and speaker recognition. The purpose of this study was to determine if high-pass filtered vowels could be separated by vowel category and speaker type in a supervised learning framework. Mel frequency cepstral coefficients (MFCCs) were extracted from productions of six vowel categories produced by two male, two female, and two child speakers...
April 20, 2016: Audiology Research
https://www.readbyqxmd.com/read/26779331/one-year-follow-up-of-auditory-performance-in-post-lingually-deafened-adults-implanted-with-the-neurelec-digisonic-%C3%A2-sp-saphyr-%C3%A2-neo-cochlear-implant-system
#13
Déborah Borger, Geneviève Lina-Granade, Stéphanie Verneyre, Hung Thai-Van, Sonia Saaï, Michel Hoen, Dan Gnansia, Eric Truy
This study aimed to quantify outcomes in a group of patients who were implanted with an Oticon Medical Neurelec (Vallauris, France) cochlear implant system, the Digisonic(®) SP/Saphyr(®) Neo. Ten participants took part in this preliminary study. Their speech perception capacities were evaluated at 3, 6, and 12-months after cochlear implant activation and compared to pre-implantation scores and to scores observed with former versions of the sound processor. Compared to former versions of the sound processor, patients using the Saphyr(®) Neo processor obtained better speech perception scores for sentences in silence at each tests session (3 months: 79%, 6 months: 82% and 12 months: 94%) compared to Digisonic(®) users (respectively: 58%, 69% and 75%) and Convex sound processor users (resp...
June 11, 2015: Audiology Research
https://www.readbyqxmd.com/read/26779330/safety-of-the-hypersound%C3%A2-audio-system-in-subjects-with-normal-hearing
#14
Ritvik P Mehta, Sara L Mattson, Brian A Kappus, Robin L Seitzman
The objective of the study was to assess the safety of the HyperSound® Audio System (HSS), a novel audio system using ultrasound technology, in normal hearing subjects under normal use conditions; we considered pre-exposure and post-exposure test design. We investigated primary and secondary outcome measures: i) temporary threshold shift (TTS), defined as >10 dB shift in pure tone air conduction thresholds and/or a decrement in distortion product otoacoustic emissions (DPOAEs) >10 dB at two or more frequencies; ii) presence of new-onset otologic symptoms after exposure...
June 11, 2015: Audiology Research
https://www.readbyqxmd.com/read/26779329/a-practical-tablet-based-hearing-aid-configuration-as-an-exemplar-project-for-students-of-instrumentation
#15
Ricardo Simeoni
This paper presents the configuration and digital signal processing details of a tablet-based hearing aid transmitting wirelessly to standard earphones, whereby the tablet performs full sound processing rather than solely providing a means of setting adjustment by streaming to conventional digital hearing aids. The presented device confirms the recognized advantages of this tablet-based approach (e.g., in relation to cost, frequency domain processing, amplification range, versatility of functionality, component battery rechargeability), and flags the future wider-spread availability of such hearing solutions within mainstream healthcare...
June 11, 2015: Audiology Research
https://www.readbyqxmd.com/read/26779328/comparison-of-performance-of-transcranial-contralateral-routing-of-signal-pre-implanted-trimmer-digital-and-digital-bone-anchored-hearing-aid-in-adults-with-unilateral-hearing-loss
#16
Neelamegarajan Devi, Suma Chatni, Kasetty Jagannathaiah S Ramadevi, Darga Baba Fakruddin
Individuals with unilateral hearing loss of severe-profound degree face listening difficulties while localizing a sound source and while perceiving speech in the presence of noise. The objective was to compare the efficacy of the digitally programmable bone anchored hearing aid (BAHA), trimmer digital BAHA and the transcranial contralateral routing of signal (T-CROS) in improving the listening performance in adults with unilateral hearing loss. Twenty-four adults with unilateral hearing loss was assessed for sound field thresholds, speech perception performance in quiet and noise (direct and indirect conditions) and the subjective quality rating of speech in unaided and aided with either T-CROS or digitally programmable BAHA or trimmer digital BAHA attached to the headband...
June 11, 2015: Audiology Research
https://www.readbyqxmd.com/read/26779327/speech-intelligibility-in-various-noise-conditions-with-the-nucleus%C3%A2-5-cp810-sound-processor
#17
Norbert Dillier, Wai Kong Lai
The Nucleus(®) 5 System Sound Processor (CP810, Cochlear™, Macquarie University, NSW, Australia) contains two omnidirectional microphones. They can be configured as a fixed directional microphone combination (called Zoom) or as an adaptive beamformer (called Beam), which adjusts the directivity continuously to maximally reduce the interfering noise. Initial evaluation studies with the CP810 had compared performance and usability of the new processor in comparison with the Freedom™ Sound Processor (Cochlear™) for speech in quiet and noise for a subset of the processing options...
June 11, 2015: Audiology Research
https://www.readbyqxmd.com/read/26779326/ageing-effect-on-air-conducted-ocular-vestibular-evoked-myogenic-potential
#18
Kaushlendra Kumar, Jayashree S Bhat, Nimalka Maria Sequeira, Kiran M Bhojwani
One of the recent diagnostic tests to assess the function of otolithic organs is through vestibular evoked myogenic potential (VEMP) testing. There are equivocal findings on effect of aging on ocular VEMP (oVEMP) parameters with reference to latencies. Hence this study was taken up to investigate the age related changes in oVEMP parameters. This present study considered 30 participants in each age group i.e., young adults, middle-aged adults and older adults. oVEMP were recorded using insert earphone at 100dBnHL at 500hZ short duration tone burst...
June 11, 2015: Audiology Research
https://www.readbyqxmd.com/read/26779325/evaluation-of-a-transient-noise-reduction-algorithm-in-cochlear-implant-users
#19
Karl-Heinz Dyballa, Phillipp Hehrmann, Volkmar Hamacher, Waldo Nogueira, Thomas Lenarz, Andreas Büchner
Dealing with environmental noises presents a major issue for cochlear implant (CI) users. Hence, digital noise reduction (DNR) schemes have become important features of CI systems. Many noises like for example clinking glasses or slamming doors, have impulsive onsets and decay quickly. Common DNR algorithms cannot handle this type of noise in an appropriate way. In this study, we investigated the effect of an algorithm specially designed for such noises with 12 CI users (age range: 45 to 75 years). Speech scores in noise and quiet as well as subjective ratings of speech clarity, comfort and overall preference were measured...
June 11, 2015: Audiology Research
https://www.readbyqxmd.com/read/26557364/apogeotropic-posterior-semicircular-canal-benign-paroxysmal-positional-vertigo-some-clinical-and-therapeutic-considerations
#20
Paolo Vannucchi, Rudi Pecci, Beatrice Giannoni, Fabio Di Giustino, Rossana Santimone, Arianna Mengucci
We lately reported the cases of patients complaining positional vertigo whose nystagmic pattern was that of a peripheral torsional vertical positional down beating nystagmus originating from a lithiasis of the non-ampullary arm of the posterior semicircular canal (PSC). We considered this particular pathological picture the apogeotropic variant of PSC benign paroxysmal positional vertigo (BPPV). Since the description of the pilot cases we observed more than 150 patients showing the same clinical sign and course of symptoms...
January 21, 2015: Audiology Research
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