audiometry

..The correspondence, which was found between frequencies of long-duration components and the spectral peaks of spontaneous otoacoustic emissions (SOAEs), suggests that those components may be connected with SOAEs...

..The model suggests that such hyperactivity, and thus also tinnitus caused by cochlear damage, could be alleviated through additional stimulation...

..Hearing thresholds measured in age-matched control subjects without tinnitus implicated hearing loss as a factor in tinnitus, although elevated thresholds alone were not sufficient to cause tinnitus...

..Two genotypes--35delG/R143W (median 105 dB) and 35delG/dela(GJB6-D13S1830) (median 108 dB)--had significantly more-severe HI than that of 35delG homozygotes...

..Additional clinical features in hearing loss patients with GJB2 mutations in this study were the near absence of tinnitus, vestibular dysfunction and inner ear malformations...

..However, the differences we observed between the low- and the high-pitch group show that tinnitus pitch might influence the outcome of acoustic stimulation treatments when devices with a limited frequency range are used...

..from neurophysiological models of tinnitus: 'Is the dominant tinnitus pitch associated with the edge of hearing loss?' and 'Is such a relationship more robust in people with narrow tinnitus bandwidth or steep sloping hearing loss?'..

..This suggests that the positive scores on the tinnitus test were not due to hearing loss. These results are discussed along with those of previous behavioral studies of tinnitus in animals...

..Persons with this KCNQ4 mutation showed congenital, progressive high-frequency impairment without substantial loss of speech recognition during the first decades of life...

..The authors investigate the impact of hearing loss on quality of life in a large population of older adults...

....

..In this report, we further investigate the potential link between SSHL and use of these drugs...

..To evaluate genotype-phenotype correlation over time for a cohort of children with connexin-26 (GJB2)-associated autosomal recessive hearing loss...

..The authors proposed that malformations belonging to this complex result from a common pathogenetic mechanism...

..Hearing loss is common and, in young persons, can compromise social development, communication skills, and educational achievement...

....

..A steep slope leads to abrupt discontinuities in the activity along the tonotopic axis of the auditory system, which could be misinterpreted as sound...

..There are many unanswered questions and hypotheses in this area. Future research by engineers, researchers, clinicians, and musicians will aid in the clarification of these questions and their ultimate solutions...

..The reasons are not clear as to why people who need hearing aids and possess them do not use them. We aimed to describe the incidence and predictors of hearing aid ownership and use among older adults...

..Finally, guidelines for implementation of the threshold-equalizing noise test in clinical practice are given...

..This study hypothesizes that low-frequency hearing loss is associated with underlying cardiovascular disease. The objective of this study was to use a mathematical model of hearing thresholds to predict cardiovascular status...

..To identify the disease-causing gene in a four-generation Chinese family affected with retinitis pigmentosa (RP)...

..It was hypothesized that vernix caseosa, debris in the ear canal, and middle ear fluid contribute to the OAE fail rate...

..To assess connections between sleeping quality and hearing impairment due to prolonged exposure to industrial noise...

....

To determine the accuracy of questions in identifying subjects occupationally exposed to high noise level and those with hearing loss using noise dosimeter and pure-tone air conduction audiometry as the gold standards.

..The safety and neurotoxicity of artemesinins and other endoperoxides needs to be more fully evaluated...

....

..The aim of the study was to compare ototoxicity, tolerability, and efficacy of ACT with that of quinine and atovaquone/proguanil in the treatment of uncomplicated falciparum malaria...

..These results support the use of remote computing as a telemedicine method for providing pure tone audiometry and DPOAE testing to distant communities.

A personal computer (PC)-based audiometer was developed for interactive remote audiometry. This paper describes a tele-audiometric system and evaluates the performance of the device when compared with conventional face-to-face audiometry...

..Besides, cigarette smoking is a common habit worldwide, and according to some recent studies smoking and noise may act in common causal pathways for hearing loss...

..These differences might be a result of functional polymorphisms in cisplatin-detoxifying enzymes like glutathione S-transferases (GSTs)...

..Two dolphins with profound hearing loss were found within the population. Aberrant hearing patterns were observed in related dolphins suggesting genetic links to hearing ability may exist...

..Results suggest that for the frequencies tested, the presentation of sound stimuli through a jawphone, underwater and in-air, results in acceptable differences to AEP threshold estimates...

Various real-time telemedicine applications have been investigated in audiology, including pure tone audiometry, otoacoustic emission testing, auditory brainstem response recordings, hearing aid fitting and video-otoscopy...

..Ototoxicity is common to many antimalarials and the elucidation of a common antiparasitic and ototoxic pathway will assist in the design of safer new antimalarials...

..To explore this issue, we conducted a case-control study using tympanometry, audiometry and auditory brain-stem responses...

..To compare 2 screening methods for unrecognized handicapping hearing loss in the elderly...

..The results of this study support the use of jawphones for the measurement of dolphin auditory sensitivity...

..The mechanism for this finding is unknown but presumably results from prior noise-induced damage to the cochlea...

..whether a similar toxic effect occurs in patients treated with these compounds, clinical neurologic evaluation, audiometry and early latency auditory evoked responses were measured in a single-blind comparison of 79 patients who had ..

..05), also, the difference was significant between group I and II (P<0.05). Accordingly, it is suggested that free oxygen radicals may take a role in noise-related hearing impairment...

..To investigate the relation between different types of exposure to noise and a classic sign of noise induced hearing loss (NIHL), the audiometric notch...

..To identify USH2A mutations in Israeli patients with autosomal-recessive Usher syndrome type 2 (USH2) and retinitis pigmentosa (RP)...

..Histological analysis was consistent with electrophysiologic data because a broad loss of outer hair cells occurred in both mid- and mid-apical coil of the organ of Corti...

b>Audiometry and exposure measurements were conducted on workers from fiberglass and metal products manufacturing plants and a mail distribution terminal (N = 313)...

The Audioscan is a form of high definition audiometry based on iso-hearing level frequency sweeps, which was developed by Meyer-Bisch in 1990...

..This new type of stapes piston was designed to avoid the crimping onto the incus in stapedotomy. This one clip fits all designs and enables solid fixation by clicking the prosthesis onto the long process of the incus without crimping...

..The sounds of music play with many perceptual dimensions. We devised a set of psychophysical procedures to better understand how recipients of cochlear implants perceive basic sound attributes involved in music listening...

..Both the functional and morphological data confirmed that PhB treatment can decrease the ototoxic potency of toluene...

..These results suggest the semi-automated diagnosis of otosclerosis may be possible...

..56fe to fe, but that frequency components below 0.56fe have deleterious effects...

..We conclude that hearing impairment is not more common in adult onset facioscapulohumeral muscular dystrophy, and according to this data, may even, be less prevalent than in the normal population...

..It was the aim of this study to explore the use of auditory steady-state response (ASSR) to multiple simultaneous stimuli for threshold estimation in young children...

..Both human noise-induced hearing loss studies introduced a novel, biological, natural agent for prevention and possible treatment of noise-induced cochlear damage in humans...

..Audiometric evaluation in extended high frequencies...

....

..Results indicate that ER-4B insert earphones are as reliable as KOSS earphones for testing on the ward for high-frequency ototoxicity monitoring...

..Several physical phenomena are involved in hearing. In the process of sound conduction through the outer ear, resonance is one of the factors that deserves careful consideration...

..Secondly, we analysed the influence of 12 different pass definitions on the pass rates...

..The aim of the study was to assess potential changes in hearing function as a consequence of exposure to low-intensity EMF's produced by mobile phones at frequencies of 900 and 1800 MHz...

..The patency of the bony canal determines the transmission of pressure changes to the inner ear. However, the individual risk of this complication is not predictable as there is no radiological abnormality of the canal...

..This epidemiological information suggests that hearing conservation continues to be an important force health protection issue...

..To study the audiovestibular function in patients of long-term alcohol dependence and compare these changes with social users of alcohol and complete abstainers...

..NH subjects effectively used the available energy cue in their auditory filters. Some HI subjects, while showing significant improvements, underutilized the energy reduction in their auditory filters...

....

..The purpose of the study was to compare the real-ear to coupler difference (RECD) measured with an insert earphone and two models of hearing instrument...

..Hearing evaluation in children...

..It was hypothesized that infants with hearing loss would demonstrate phonetic delays and that selected aspects of phonetic learning may be differentially affected by restricted auditory access...

..5 kHz. Caution is indicated, however, because of uncertainties in the interpretation of slope and because the confounding influence of differences in noise level could not be completely controlled...

..Preserved hearing acuity at low and mild frequency range indicates the limited damage to the hearing cells in Korti's organ in the apical cochlear turn...

..Therefore, in selecting subjects, we applied the stringent criterion in pure-tone thresholds (PTT) to limit dispersion among normal-hearing thresholds...

..The current practice of prescribing expansion algorithms based on hearing thresholds alone is questioned, and other rationales are discussed...

..Therefore, there is evidence of adaptive plasticity and this can be measured at the level of the auditory brainstem...

..57f(e) to f(e), but that frequency components below 0.57f(e) have deleterious effects. The results have implications for the fitting of hearing aids to people with low-frequency DRs...

..One subject with a high-frequency DR in one ear and good hearing in the other ear showed an enhanced DLF in her better ear...

..These data provide support for the idea that the short-electrode cochlear implant may be a practical solution for most adults in the long run, but this may not be the case for all pediatric patients...

..In total both results argue for the presence of a deafferentation also in tinnitus subjects with audiometrically normal thresholds and therefore favour the deafferentation assumption posed by most neuroscientific theories...

..In the other patients with positive LTTs, parents or other physicians were often reluctant to treat, or the patient was lost to follow-up. Mean fluctuations varied substantially across all standard audiometric frequencies for all groups...

..Most listeners were satisfied with their perception of soft, average, and loud environmental sounds, regardless of how well or not well their WDRC aids normalized their aided loudness growth...

..To test whether the 3-hydroxy-3-methylglutaryl- coenzyme A reductase inhibitor atorvastatin can slow down the progression of presbycusis...

....

....

..This was best observed by comparing emission amplitude with smallest hearing loss instead of mean hearing loss...

..Each individual was tested with low- (250-2000 Hz) and high-frequency audiometry (4000-16000 Hz)...

..With appropriate adjustments to the model of the auditory periphery, the method could be applied with animal models...

..Application of high-rate pulse trains (e.g., 4800 pps) to the cochlea may represent an effective treatment of tinnitus...

....

..The results of behavioral audiometry and DPOAEs were compared with the extension of the tumor into the IAC, which was categorized as full or partial...

..currently the exposure to noisy leisure activities are part of the routine of youngsters, representing a considerable risk for hearing...

..audiological test; 2. radiological imaging study; 3. ear-canal electric audiometry; 4. response to sound in daily life; and 5. speech development...

..e. the more peaks the higher the average peak height. The summated peak height S(p)=N(p)H(p) showed a strong dependence on the hearing loss. In cases of strong fine-structure, S(p) reached values around 200 dB...

..With subjective audiometry, the girl could be diagnosed having bilateral mesocochlear hearing impairment (so called cookie-bite audiogram) ..

..In this study, we assessed middle latency responses (MLR) in children diagnosed with pervasive developmental disorder (PDD) in order to detect low-frequency auditory thresholds...

..ear canal narrowing is the thinning or closing of the ear canal. This can damage the sound transmition from the external to the internal ear, which in turn may cause a false hearing loss...

..The impact can be considerable...

..The possible effects were divided into three categories: hearing thresholds, directional hearing, and binaural hearing...

..These results provide a baseline normal response for studies of TM velocity with conductive hearing losses of different etiologies...

..Acclimatization may play a role. It could be advisable to let a user listen to a subjectively less favoured condition for at least some time if an optimal setting for speech intelligibility in noise is preferred over comfort...

..Second, the normal-hearing group showed overall better response reliability, both within and between sessions, than the cochlear-loss group. These differences were small but consistent...

..In all studies, 1) inner ear function will be assessed by auditory brainstem response audiometry and endocochlear potential;2) inner ear morphology will be assessed by light and electron microscopy;3) systemic ..

..In all studies, 1) inner ear function will be assessed by auditory brainstem response audiometry and endocochlear potential; 2) inner ear morphology will be assessed by light and electron microscopy; 3) ..

..In all studies, 1) inner ear function will be assessed by auditory brainstem response audiometry and endocochlear potential; 2) inner ear morphology will be assessed by light and electron microscopy; 3) ..

..An objective physiological test to accurately predict CHL is urgently needed because audiometry in this group is affected by cognitive status...

..An objective physiological test to accurately predict CHL is urgently needed because audiometry in this group is affected by cognitive status...

..The current battery of diagnostic tests (otoscopy, audiometry, tympanometry) cannot reliably differentiate ossicular pathology, especially when the tympanic membrane is ..

..of structure-function relationshipsin the reconstructed ear and failure of current diagnostic tests (otoscopy,audiometry, tympanometry) to identify such relationships...

..of structure-function relationshipsin the reconstructed ear and failure of current diagnostic tests (otoscopy,audiometry, tympanometry) to identify such relationships...

..of structure-function relationships in the reconstructed ear and failure of current diagnostic tests (otoscopy,audiometry, tympanometry) to identify such relationships...

..However, no prospective studies of DPOAEs in relation to well-characterized noise exposure and standard audiometry have been conducted...

..Aim 1.1 Determine the prevalence of middle ear disease by otoscopy, bone conduction audiometry, and tympanometry. Aim 1.2 Determine the prevalence of SNHL. Aim 1...

..Aim 1.1 Determine the prevalence of middle ear disease by otoscopy, bone conduction audiometry, and tympanometry. Aim 1.2 Determine the prevalence of SNHL. Aim 1...

..Inner ear pathology will be measured with auditory brainstem response audiometry, the endocochlear potential, light and electron microscopy, and immunohistochemistry of inflammatory mediators...

..Those who develop acute OM or persistent OME receive antimicrobials. In those with long > 8 wk duration audiometry is scheduled monthly...

..reduce noise-induced hearing loss? The chinchilla (n-150) will be used as the animal model, evoked response audiometry will be used to estimate pure tone thresholds (audiograms) and surface preparation histology will quantify ..

..Pure tone hearing threshold measured using evoked response audiometry and cubic distortion product evoked cochlear emission audiograms and input/output functions will be collected ..

..Annual examinations will include standard audiometry, wide-band eminence acoustic reflex (AR), and DPOAEs, including a DP-Gram with L1=65 dB and I/O growth functions ..

..We will assess the efficacy of aminoglycoside-uptake inhibitors using auditory brainstem response audiometry, confocal microscopy of hair cell morphology, and constructing cytocochleograms (Aim 2)...

..Routine pure tone audiometry can distinguish conductive from sensorineural hearing loss (SNHL)...

..Routine pure tone audiometry can distinguish conductive from sensorineural hearing loss (SNHL)...

..We will assess the efficacy of aminoglycoside-uptake inhibitors using auditory brainstem response audiometry, confocal microscopy of hair cell morphology, and constructing cytocochleograms (Aim 2)...

..Middle ear status will be assessed with pneumatic otoscopy, tympanometry, and audiometry. Vestibular testing will consist of ocular-motor screening, caloric testing, positional testing, rotational ..

..will be conducted, using the same standardized protocols for otoscopy, screen tympanometry, pure tone audiometry, word recognition tests and distortion product otacoustic emissions...

..In all studies, 1) inner ear function will be assessed by auditory brainstem response audiometry. The endocochlear potential will be measured in some experiments...

..used in the baseline examination and will include a hearing evaluation (otoscopy, screening tympanometry, audiometry, word recognition and dichotic listening tests, distortion product otoacoustic emissions), eye examination (..

..This battery-powered, laptop-based device incorporates Bikisy-like tracking audiometry, distortion-product otoacoustic emission testing, probe placement verification, in-ear noise level measurement, ..

..Standard methods of assessing hearing impairment (i.e., clinical audiometry) neglect the working memory demands involved in everyday auditory processing...

..The examination will include a hearing evaluation (otoscopy, screening tympanometry, audiometry, word recognition and dichotic listening tests, distortion product otoacoustic emissions), eye examination (..