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Ear and Hearing

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https://www.readbyqxmd.com/read/28207580/response-to-letter-to-the-editor-re-henry-j-a-frederick-m-sell-s-griest-s-abrams-h-2015-validation-of-a-novel-combination-hearing-aid-and-tinnitus-therapy-device-ear-and-hear-36-42-52
#1
James A Henry, Susan Griest, Melissa Frederick, Harvey Abrams
No abstract text is available yet for this article.
February 15, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28207579/expansion-of-prosodic-abilities-at-the-transition-from-babble-to-words-a-comparison-between-children-with-cochlear-implants-and-normally-hearing-children
#2
Michèle Pettinato, Ilke De Clerck, Jo Verhoeven, Steven Gillis
OBJECTIVES: This longitudinal study examined the effect of emerging vocabulary production on the ability to produce the phonetic cues to prosodic prominence in babbled and lexical disyllables of infants with cochlear implants (CI) and normally hearing (NH) infants. Current research on typical language acquisition emphasizes the importance of vocabulary development for phonological and phonetic acquisition. Children with CI experience significant difficulties with the perception and production of prosody, and the role of possible top-down effects is, therefore, particularly relevant for this population...
February 15, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28207578/the-impact-of-a-cochlear-implant-electrode-array-on-the-middle-ear-transfer-function
#3
David Pazen, Andreas Anagiotos, Maike Nünning, Antoniu-Oreste Gostian, Magdalene Ortmann, Dirk Beutner
OBJECTIVES: As a treatment for partial deafness with residual hearing in the lower frequency range, the combined acoustic and electric stimulation of the cochlea has become widespread. Acoustic stimulation is provided by a hearing aid's airborne sound and the electric stimulation by a cochlear implant electrode array, which may be inserted through the round window or a cochleostomy. To take advantage of that concept, it is essential to preserve residual hearing after surgery. Therefore, the intracochlear electrode array should not compromise the middle ear vibration transmission...
February 15, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28207577/letter-to-the-editor-reporting-of-data-to-inform-the-design-of-a-definitive-trial-re-henry-j-a-frederick-m-sell-s-griest-s-abrams-h-2015-validation-of-a-novel-combination-hearing-aid-and-tinnitus-therapy-device-ear-hear-36-42-52
#4
https://www.readbyqxmd.com/read/28207576/relationship-between-peripheral-and-psychophysical-measures-of-amplitude-modulation-detection-in-cochlear-implant-users
#5
Viral D Tejani, Paul J Abbas, Carolyn J Brown
OBJECTIVE: This study investigates the relationship between electrophysiological and psychophysical measures of amplitude modulation (AM) detection. Prior studies have reported both measures of AM detection recorded separately from cochlear implant (CI) users and acutely deafened animals, but no study has made both measures in the same CI users. Animal studies suggest a progressive loss of high-frequency encoding as one ascends the auditory pathway from the auditory nerve to the cortex...
February 15, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28207575/health-related-quality-of-life-among-young-children-with-cochlear-implants-and-developmental-disabilities
#6
Anat Zaidman-Zait, Deirdre Curle, Janet R Jamieson, Ruth Chia, Frederick K Kozak
OBJECTIVE: The present study examined differences in health-related quality of life (HRQoL) between deaf children with cochlear implants (CI) with and without developmental disabilities (DD) and differences across HRQoL domains within both groups of children. METHODS: Ninety-two parents of children with CI aged 3-7 years participated in this cross-sectional study. Of these children, 43 had DD (i.e., CI-DD group) and 49 had no DD or chronic illness, demonstrating overall typical development (i...
February 15, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28169839/speech-intelligibility-as-a-cue-for-acceptable-noise-levels
#7
Karrie L Recker, Christophe Micheyl
OBJECTIVES: The goal of this study was to examine whether individuals are using speech intelligibility to determine how much noise they are willing to accept while listening to running speech. Previous research has shown that the amount of background noise that an individual is willing to accept while listening to speech is predictive of his or her likelihood of success with hearing aids. If it were possible to determine the criterion by which individuals make this judgment, then it may be possible to alter this cue, especially for those who are unlikely to be successful with hearing aids, and thereby improve their chances of success with hearing aids...
February 6, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28169838/estimation-of-minor-conductive-hearing-loss-in-humans-using-distortion-product-otoacoustic-emissions
#8
Steven C Marcrum, Peter Kummer, Thomas Steffens
OBJECTIVES: Conductive hearing loss (CHL) systematically alters distortion product otoacoustic emission (DPOAE) levels through attenuation of both the primary tones and the evoked response by the middle ear, as well as through modification of the effective L1-L2 relationship within the cochlea. It has been postulated that, if optimal primary tone level relationships for an ear without CHL are known or can be estimated accurately and a CHL can be presumed to attenuate both primary tones to a similar extent, the adjustment to L1 required to restore an optimal L1-L2 separation following CHL induction can be utilized to estimate CHL magnitude objectively...
February 6, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28166089/the-change-in-electrical-stimulation-levels-during-24-months-postimplantation-for-a-large-cohort-of-adults-using-the-nucleus%C3%A2-cochlear-implant
#9
Emalka A Gajadeera, Karyn L Galvin, Richard C Dowell, Peter A Busby
OBJECTIVES: To examine electrical stimulation data over 24 months postimplantation in adult implant users. The first aim was to calculate mean T and C levels for seven time points, for four cochlear segments, and two array types. The second aim was to (a) analyze the degree of change in each of the T and C levels as a function of dynamic range for six consecutive time point comparisons, for the four segments, and (b) to determine the proportion of participants with an acceptable degree of change...
February 2, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28166088/directional-microphone-contralateral-routing-of-signals-in-cochlear-implant-users-a-within-subjects-comparison
#10
Wilhelm Wimmer, Martin Kompis, Christof Stieger, Marco Caversaccio, Stefan Weder
OBJECTIVES: For medical or financial reasons, bilateral cochlear implantation is not always possible in bilaterally deafened patients. In such cases, a contralateral routing of signals (CROS) device could complement the monaural implant. The goal of our study was to compare the benefit of three different conditions: (1) unilateral cochlear implant (CI) alone, (2) unilateral CI complemented with a directional CROS microphone, and (3) bilateral CIs. DESIGN: Twelve bilateral experienced CI users were tested...
February 2, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28125444/objective-identification-of-simulated-cochlear-implant-settings-in-normal-hearing-listeners-via-auditory-cortical-evoked-potentials
#11
Sungmin Lee, Gavin M Bidelman
OBJECTIVES: Providing cochlear implant (CI) patients the optimal signal processing settings during mapping sessions is critical for facilitating their speech perception. Here, we aimed to evaluate whether auditory cortical event-related potentials (ERPs) could be used to objectively determine optimal CI parameters. DESIGN: While recording neuroelectric potentials, we presented a set of acoustically vocoded consonants (aKa, aSHa, and aNa) to normal-hearing listeners (n = 12) that simulated speech tokens processed through four different combinations of CI stimulation rate and number of spectral maxima...
January 25, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28125445/self-adjustment-of-upper-electrical-stimulation-levels-in-ci-programming-and-the-effect-on-auditory-functioning
#12
Jantien L Vroegop, J Gertjan Dingemanse, Marc P van der Schroeff, R Mick Metselaar, André Goedegebure
OBJECTIVES: With current cochlear implants (CIs), CI recipients achieve good speech perception in quiet surroundings. However, in acoustically complex, real-life environments, speech comprehension remains difficult and sound quality often remains poor. It is, therefore, a challenge to program CIs for such environments in a clinic. The CI manufacturer Cochlear Ltd. recently introduced a remote control that enables CI recipients to alter the upper stimulation levels of their user programs themselves...
January 17, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28085740/sound-localization-and-speech-perception-in-noise-of-pediatric-cochlear-implant-recipients-bimodal-fitting-versus-bilateral-cochlear-implants
#13
Ji Eun Choi, Il Joon Moon, Eun Yeon Kim, Hee-Sung Park, Byung Kil Kim, Won-Ho Chung, Yang-Sun Cho, Carolyn J Brown, Sung Hwa Hong
OBJECTIVES: The aim of this study was to compare binaural performance of auditory localization task and speech perception in babble measure between children who use a cochlear implant (CI) in one ear and a hearing aid (HA) in the other (bimodal fitting) and those who use bilateral CIs. DESIGN: Thirteen children (mean age ± SD = 10 ± 2.9 years) with bilateral CIs and 19 children with bimodal fitting were recruited to participate. Sound localization was assessed using a 13-loudspeaker array in a quiet sound-treated booth...
January 12, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28085739/benefits-of-music-training-for-perception-of-emotional-speech-prosody-in-deaf-children-with-cochlear-implants
#14
Arla Good, Karen A Gordon, Blake C Papsin, Gabe Nespoli, Talar Hopyan, Isabelle Peretz, Frank A Russo
OBJECTIVES: Children who use cochlear implants (CIs) have characteristic pitch processing deficits leading to impairments in music perception and in understanding emotional intention in spoken language. Music training for normal-hearing children has previously been shown to benefit perception of emotional prosody. The purpose of the present study was to assess whether deaf children who use CIs obtain similar benefits from music training. We hypothesized that music training would lead to gains in auditory processing and that these gains would transfer to emotional speech prosody perception...
January 11, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28085738/using-neural-response-telemetry-to-monitor-physiological-responses-to-acoustic-stimulation-in-hybrid-cochlear-implant-users
#15
Paul J Abbas, Viral D Tejani, Rachel A Scheperle, Carolyn J Brown
OBJECTIVE: This report describes the results of a series of experiments where we use the neural response telemetry (NRT) system of the Nucleus cochlear implant (CI) to measure the response of the peripheral auditory system to acoustic stimulation in Nucleus Hybrid CI users. The objectives of this study were to determine whether they could separate responses from hair cells and neurons and to evaluate the stability of these measures over time. DESIGN: Forty-four CI users participated...
January 11, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28045838/effect-of-context-and-hearing-loss-on-time-gated-word-recognition-in-children
#16
Dawna Lewis, Judy Kopun, Ryan McCreery, Marc Brennan, Kanae Nishi, Evan Cordrey, Pat Stelmachowicz, Mary Pat Moeller
OBJECTIVES: The purpose of this study was to examine word recognition in children who are hard of hearing (CHH) and children with normal hearing (CNH) in response to time-gated words presented in high- versus low-predictability sentences (HP, LP), where semantic cues were manipulated. Findings inform our understanding of how CHH combine cognitive-linguistic and acoustic-phonetic cues to support spoken word recognition. It was hypothesized that both groups of children would be able to make use of linguistic cues provided by HP sentences to support word recognition...
December 30, 2016: Ear and Hearing
https://www.readbyqxmd.com/read/28045837/prevalence-incidence-proportion-and-heritability-for-tinnitus-a-longitudinal-twin-study
#17
Renata Bogo, Ahmed Farah, Kjell K Karlsson, Nancy L Pedersen, Magnus Svartengren, Åsa Skjönsberg
OBJECTIVES: The purpose of this longitudinal twin study was to explore the effect of tinnitus on hearing thresholds and threshold shifts over two decades and to investigate the genetic contribution to tinnitus in a male twin cohort (n = 1114 at baseline and 583 at follow-up). The hypothesis was that participants with faster hearing deterioration had a higher risk for developing tinnitus and there is an underlying role of genetic influences on tinnitus. DESIGN: Male mono- and dizygotic twin pairs, born between 1914 and 1958 were included...
December 30, 2016: Ear and Hearing
https://www.readbyqxmd.com/read/28045836/effects-of-stimulus-polarity-and-artifact-reduction-method-on-the-electrically-evoked-compound-action-potential
#18
Michelle L Hughes, Jenny L Goehring, Jacquelyn L Baudhuin
OBJECTIVE: Previous research from our laboratory comparing electrically evoked compound action potential (ECAP) artifact reduction methods has shown larger amplitudes and lower thresholds with cathodic-leading forward masking (CathFM) than with alternating polarity (AltPol). One interpretation of this result is that the anodic-leading phase used with AltPol elicits a less excitatory response (in contrast to results from recent studies with humans), which when averaged with responses to cathodic-leading stimuli, results in smaller amplitudes...
December 30, 2016: Ear and Hearing
https://www.readbyqxmd.com/read/28045835/normative-wideband-reflectance-equivalent-admittance-at-the-tympanic-membrane-and-acoustic-stapedius-reflex-threshold-in-adults
#19
M Patrick Feeney, Douglas H Keefe, Lisa L Hunter, Denis F Fitzpatrick, Angela C Garinis, Daniel B Putterman, Garnett P McMillan
OBJECTIVES: Wideband acoustic immittance (WAI) measures such as pressure reflectance, parameterized by absorbance and group delay, equivalent admittance at the tympanic membrane (TM), and acoustic stapedius reflex threshold (ASRT) describe middle ear function across a wide frequency range, compared with traditional tests employing a single frequency. The objective of this study was to obtain normative data using these tests for a group of normal-hearing adults and investigate test-retest reliability using a longitudinal design...
December 30, 2016: Ear and Hearing
https://www.readbyqxmd.com/read/28045787/some-neurocognitive-correlates-of-noise-vocoded-speech-perception-in-children-with-normal-hearing-a-replication-and-extension-of-eisenberg-et-al-2002
#20
Adrienne S Roman, David B Pisoni, William G Kronenberger, Kathleen F Faulkner
OBJECTIVES: Noise-vocoded speech is a valuable research tool for testing experimental hypotheses about the effects of spectral degradation on speech recognition in adults with normal hearing (NH). However, very little research has utilized noise-vocoded speech with children with NH. Earlier studies with children with NH focused primarily on the amount of spectral information needed for speech recognition without assessing the contribution of neurocognitive processes to speech perception and spoken word recognition...
December 27, 2016: Ear and Hearing
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