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This page shows you the most recent publications within this specialty of the MedWorm directory.

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NAD Urges FCC and Industry to Protect VRSEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The National Association of the Deaf (NAD) recently learned that individuals across the United States were arrested for conspiring to defraud the Video Relay Service (VRS) program, administered by the Federal Communications Commission (FCC). The NAD is disappointed by these serious and significant allegations. VRS is a critical service that gives deaf and hard of hearing people the ability to communicate in American Sign Language with hearing people over the telephone network. read more (Source: National Association of the Deaf)
Source: National Association of the Deaf - November 20, 2009 Category: Audiology Authors: admin Source Type: organizations

National Shortage of Deaf Ed Teachers ExacerbatedEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
As many members of the Deaf Community, and especially those in the Deaf Education field know, there is a severe nation-wide shortage of Deaf Education teachers who are proficient in American Sign Language (ASL). According to DeafED.net, there are currently seventy D/HH teacher training programs in the United States, but it is not known exactly how many programs train the future teachers to use ASL. read more (Source: National Association of the Deaf)
Source: National Association of the Deaf - November 20, 2009 Category: Audiology Authors: Deaf Pundit Source Type: organizations

Relationship between the Degree of Endolymphatic Hydrops and ElectrocochleographyEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Audiol Neurotol 2010;15:254-260 (DOI:10.1159/000258681) (Source: Audiology and Neurotology)
Source: Audiology and Neurotology - November 16, 2009 Category: Audiology Source Type: journals

Differentiating Malingering Balance Disorder Patients from Healthy Controls, Compensated Unilateral Vestibular Loss, and Whiplash Patients Using Stance and Gait PosturographyEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Audiol Neurotol 2010;15:261-272 (DOI:10.1159/000258682) (Source: Audiology and Neurotology)
Source: Audiology and Neurotology - November 16, 2009 Category: Audiology Source Type: journals

Early print concepts: insights from work with young deaf childrenEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
This study demonstrates that this also obtains for young deaf children still in the early stages of developing spoken language. Data collected from the homes of 13 deaf children (aged from 3 years 3 months to 4 years 4 months at the start of the study) over a two-year period showed hypothesising and experimenting around writing. Spontaneous drawing and writing samples were collected and a method of eliciting data was devised that did not rely on the children knowing vocabulary related to print (e.g. 'word' or 'sentence'). The data revealed that these children had internalised print concepts but this knowledge could easily ...
Source: Deafness and Education International - November 14, 2009 Category: Audiology Authors: Linda M. Watson Source Type: journals

Phonemic restoration by hearing-impaired listeners with mild to moderate sensorineural hearing loss.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The auditory system is capable of perceptually restoring inaudible portions of speech. This restoration may be compromised as a result of hearing impairment, particularly if it is combined with advanced age, because of degradations in the bottom-up and top-down processes. To test this hypothesis, phonemic restoration was quantitatively measured with hearing-impaired listeners of varying ages and degrees of hearing impairment, as well as with a normal-hearing control group. The results showed that the restoration benefit was negatively correlated with both hearing impairment and age, supporting the original hypothesis. ...
Source: Hearing Research - November 13, 2009 Category: Audiology Authors: Başkent D, Eiler CL, Edwards B Tags: Hear Res Source Type: journals

Contents Vol. 14, 2009Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Audiol Neurotol 2009;14:I-IV (DOI:10.1159/000259790) (Source: Audiology and Neurotology)
Source: Audiology and Neurotology - November 12, 2009 Category: Audiology Source Type: journals

Title Page / Table of ContentsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Audiol Neurotol 2009;14:345-347 (DOI:10.1159/000259791) (Source: Audiology and Neurotology)
Source: Audiology and Neurotology - November 12, 2009 Category: Audiology Source Type: journals

Author and Subject Index Vol. 14, No. 6, 2009Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Audiol Neurotol 2009;14:432 (DOI:10.1159/000259796) (Source: Audiology and Neurotology)
Source: Audiology and Neurotology - November 12, 2009 Category: Audiology Source Type: journals

Author Index Vol. 14, 2009Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Audiol Neurotol 2009;14:433-434 (DOI:10.1159/000259797) (Source: Audiology and Neurotology)
Source: Audiology and Neurotology - November 12, 2009 Category: Audiology Source Type: journals

Subject Index Vol. 14, 2009Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Audiol Neurotol 2009;14:435-436 (DOI:10.1159/000259798) (Source: Audiology and Neurotology)
Source: Audiology and Neurotology - November 12, 2009 Category: Audiology Source Type: journals

New Brain Findings On Dyslexic ChildrenEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The vast majority of school-aged children can focus on the voice of a teacher amid the cacophony of the typical classroom thanks to a brain that automatically focuses on relevant, predictable and repeating auditory information, according to new research from Northwestern University. (Source: Hearing / Deafness News From Medical News Today)
Source: Hearing / Deafness News From Medical News Today - November 12, 2009 Category: Audiology Tags: Dyslexia Source Type: news

Transtympanic Electro-cochleography in the Assessment of Perilymphatic FistulasEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Audiol Neurootol 1997;2:391-402 (DOI:10.1159/000259264) (Source: Audiology and Neurotology)
Source: Audiology and Neurotology - November 11, 2009 Category: Audiology Source Type: journals

Tinnitus and Translabyrinthine Acoustic Neuroma SurgeryEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Audiol Neurootol 1997;2:403-409 (DOI:10.1159/000259265) (Source: Audiology and Neurotology)
Source: Audiology and Neurotology - November 11, 2009 Category: Audiology Source Type: journals

Surgical Strategy of Cochlear Implantation in Patients with Chronic Middle Ear DiseaseEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Audiol Neurootol 1997;2:410-417 (DOI:10.1159/000259266) (Source: Audiology and Neurotology)
Source: Audiology and Neurotology - November 11, 2009 Category: Audiology Source Type: journals

Conference CalendarEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Audiol Neurootol 1997;2:418-420 (DOI:10.1159/000259267) (Source: Audiology and Neurotology)
Source: Audiology and Neurotology - November 11, 2009 Category: Audiology Source Type: journals

Author Index Vol. 2, 1997Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Audiol Neurootol 1997;2:421 (DOI:10.1159/000259268) (Source: Audiology and Neurotology)
Source: Audiology and Neurotology - November 11, 2009 Category: Audiology Source Type: journals

Subject Index Vol. 2, 1997Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Audiol Neurootol 1997;2:422 (DOI:10.1159/000259269) (Source: Audiology and Neurotology)
Source: Audiology and Neurotology - November 11, 2009 Category: Audiology Source Type: journals

Relay Consumer Alert: 800 Numbers No Longer InteroperableEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The NAD has learned that a major Video Relay Service (VRS) provider removed all toll-free 800 numbers from the relay service number database to comply with a recent Public Notice issued by the Federal Communications Commission (FCC). As a result of the FCC decision, people who use videophones provided by VRS providers cannot call other people whose 800 numbers/videophones are supported by this major VRS provider. read more (Source: National Association of the Deaf)
Source: National Association of the Deaf - November 11, 2009 Category: Audiology Authors: admin Source Type: organizations

Attention IP-Relay Users: 10-Digit FAQsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Do you use an IP Relay service on your computer, laptop, or pager to make calls to hearing people? Do you want to use an IP Relay service in the future to make calls to hearing people? You must have a local 10-digit number to make non-emergency IP Relay calls after November 12, 2009. Contact your preferred IP Relay service provider and get your local 10-digit number today. read more (Source: National Association of the Deaf)
Source: National Association of the Deaf - November 11, 2009 Category: Audiology Authors: admin Source Type: organizations

A Major Effect QTL on Chromosome 18 for Noise Injury to the Mouse Cochlear Lateral Wall.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We recently demonstrated a striking difference among inbred mouse strains in the effects of a single noise exposure, whereby CBA/J and CBA/CaJ (CBA) mice show moderate reversible reduction in the endocochlear potential (EP) while C57BL/6J (B6) mice do not (Ohlemiller, K.K., Gagnon, P.M. 2007. Genetic dependence of cochlear cells and structures injured by noise. Hearing Res. 224, 34-50). Acute EP reduction in CBA was reliably associated with characteristic pathology of the spiral ligament and stria vascularis, both immediately after noise and 8 weeks later. Analysis of B6xCBA F1 hybrid mice indicated that EP reduction a...
Source: Hearing Research - November 11, 2009 Category: Audiology Authors: Ohlemiller KK, Rosen AD, Gagnon PM Tags: Hear Res Source Type: journals

Phonological awareness and decoding skills in deaf adolescentsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
This study investigated the phonological awareness skills of a group of deaf adolescents and how these skills correlated with decoding skills (single word and non-word reading) and receptive vocabulary.Twenty, congenitally profoundly deaf adolescents with at least average nonverbal cognitive skills were tested on a range of phonological awareness tasks, and a non-word and real-word reading task, and their speech intelligibility was rated. Scores on a receptive vocabulary measure were gathered from existing records. All participants met an inclusion criterion of scoring within one standard deviation of the mean on a non-ver...
Source: Deafness and Education International - November 11, 2009 Category: Audiology Authors: L. Gravenstede Source Type: journals

FCC YouTube Captioned ASL Videos about 10-Digit NumberingEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
You must have a local 10-digit number to make non-emergency IP Relay or Video Relay Service (VRS) calls after November 12, 2009. Captioned ASL video information about 10-digit numbers for VRS and IP Relay users are now available on YouTube via the Federal Communications Commission YouTube channel.read more (Source: National Association of the Deaf)
Source: National Association of the Deaf - November 10, 2009 Category: Audiology Authors: admin Source Type: organizations

Mouse Study Sheds Light On Hearing Loss In Older AdultsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Becoming "hard of hearing" is a standard but unfortunate part of aging: A syndrome called age-related hearing loss affects about 40 percent of people over 65 in the United States, and will afflict an estimated 28 million Americans by 2030. (Source: Hearing / Deafness News From Medical News Today)
Source: Hearing / Deafness News From Medical News Today - November 10, 2009 Category: Audiology Tags: Hearing / Deafness Source Type: news

A System to Simulate and Reproduce Audio-Visual Environments for Spatial Hearing Research.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The article reports the experience gained from two implementations of the "Simulated Open-Field Environment" (SOFE), a setup that allows sounds to be played at calibrated levels over a wide frequency range from multiple loudspeakers in an anechoic chamber. Playing sounds from loudspeakers in the free-field has the advantage that each participant listens with their own ears, and individual characteristics of the ears are captured in the sound they hear. This makes an easy and accurate comparison between various listeners with and without hearing devices possible. The SOFE uses custom calibration software to assure indiv...
Source: Hearing Research - November 9, 2009 Category: Audiology Authors: Seeber BU, Kerber S, Hafter ER Tags: Hear Res Source Type: journals

Motion of the Tympanic Membrane after Cartilage Tympanoplasty Determined by Stroboscopic Holography.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Stroboscopic holography was used to quantify dynamic deformations of the tympanic membrane (TM) of the entire surface of the TM before and after cartilage tympanoplasty of the posterior or posterior-superior part of the TM. Cartilage is widely used in tympanoplasties to provide mechanical stability for the TM. Three human cadaveric temporal bones were used. A 6 mm x 3 mm oval cartilage graft was placed through the widely opened facial recess onto the medial surface of the posterior or posterior-superior part of the TM. The graft was either in contact with the bony tympanic rim and manubrium or not. Graft thickness was ...
Source: Hearing Research - November 9, 2009 Category: Audiology Authors: Aarnisalo AA, Cheng JT, Ravicz ME, Furlong C, Merchant SN, Rosowski JJ Tags: Hear Res Source Type: journals

The Fischer 344 rat as a model of presbycusis.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Due to the rising number of the aged human population all over the world, presbycusis is a phenomenon that deserves the increasing attention of the medical community as regards to prevention and treatment. This requires finding appropriate animal models for human presbycusis that will be useful in future experiments. Among the available rat strains, the Fischer 344 (F344) strain promises to serve as a model producing prompt and profound presbycusis. Hearing thresholds begin to increase in this strain within the first year of life, toward the end of the second year the thresholds are very high. The threshold shifts prog...
Source: Hearing Research - November 7, 2009 Category: Audiology Authors: Syka J Tags: Hear Res Source Type: journals

Germs Mingle Most on Palms, Feet, ForearmsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Title: Germs Mingle Most on Palms, Feet, ForearmsCategory: Health NewsCreated: 11/5/2009 2:10:00 PMLast Editorial Review: 11/6/2009 (Source: MedicineNet Hearing General)
Source: MedicineNet Hearing General - November 6, 2009 Category: Audiology Source Type: consumer

On the ability of human listeners to distinguish between front and back.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
In order to determine whether a sound source is in front or in back, listeners can use location-dependent spectral cues caused by diffraction from their anatomy. This capability was studied using a precise virtual-reality technique (VRX) based on a transaural technology. Presented with a virtual baseline simulation accurate up to 16 kHz, listeners could not distinguish between the simulation and a real source. Experiments requiring listeners to discriminate between front and back locations were performed using controlled modifications of the baseline simulation to test hypotheses about the important spectral cues. The ...
Source: Hearing Research - November 6, 2009 Category: Audiology Authors: Zhang PX, Hartmann WM Tags: Hear Res Source Type: journals

Middle-Ear Function At High Frequencies Quantified With Advanced Bone Conduction Measures.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Auditory thresholds with standardized clinical procedures are obtained over a much nar- rower frequency range by bone conduction than by air conduction. As a result, diagnostic information for both sensorineural and conductive-mechanism function is incomplete for high frequencies. A new magnetostrictive bone-conduction transducer that has the poten- tial for improved output in the high-frequency range was evaluated in the laboratory and in a variety of subjects with normal hearing (N=11) or sensorineural hearing loss (N=9). La- boratory results indicated that harmonic distortion and acoustic radiation were both suffi- ...
Source: Hearing Research - November 6, 2009 Category: Audiology Authors: Popelka GR, Telukuntla G, Puria S Tags: Hear Res Source Type: journals

USADSF President Fleischer Passes AwayEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The National Association of the Deaf (NAD) mourns the sudden loss of Lawrence R. Fleischer, president of the USA Deaf Sports Federation (USADSF), who had a heart attack on Sunday evening, November 1 at Burbank, CA. He was on his way home after delivering the closing keynote at the American Sign Language Teachers Association (ASLTA) conference in Phoenix, AZ. read more (Source: National Association of the Deaf)
Source: National Association of the Deaf - November 5, 2009 Category: Audiology Authors: admin Source Type: organizations

Vestibulo-Ocular Reflex and Balance Maturation in Healthy Children Aged from Six to Twelve YearsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Audiol Neurotol 2010;15:203-210 (DOI:10.1159/000255338) (Source: Audiology and Neurotology)
Source: Audiology and Neurotology - November 4, 2009 Category: Audiology Source Type: journals

Genotype-Phenotype Correlation for DFNA22: Characterization of Non-Syndromic, Autosomal Dominant, Progressive Sensorineural Hearing Loss due to MYO6 MutationsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Audiol Neurotol 2010;15:211-220 (DOI:10.1159/000255339) (Source: Audiology and Neurotology)
Source: Audiology and Neurotology - November 4, 2009 Category: Audiology Source Type: journals

Human Frequency-Following Response to Speech-Like Sounds: Correlates of Off-Frequency MaskingEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Audiol Neurotol 2010;15:221-228 (DOI:10.1159/000255340) (Source: Audiology and Neurotology)
Source: Audiology and Neurotology - November 4, 2009 Category: Audiology Source Type: journals

Auditory Perception in Individuals with Friedreich's AtaxiaEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Audiol Neurotol 2010;15:229-240 (DOI:10.1159/000255341) (Source: Audiology and Neurotology)
Source: Audiology and Neurotology - November 4, 2009 Category: Audiology Source Type: journals

Nystagmus during Attacks of Vestibular Migraine: An Aid in DiagnosisEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Audiol Neurotol 2010;15:241-246 (DOI:10.1159/000255440) (Source: Audiology and Neurotology)
Source: Audiology and Neurotology - November 4, 2009 Category: Audiology Source Type: journals

Diabetic NeuropathyEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Title: Diabetic NeuropathyCategory: Diseases and ConditionsCreated: 1/31/2005 7:34:00 AMLast Editorial Review: 11/4/2009 (Source: MedicineNet Hearing General)
Source: MedicineNet Hearing General - November 4, 2009 Category: Audiology Source Type: consumer

GJB2 and GJB6 Genes: Molecular Study and Identification of Novel GJB2 Mutations in the Hearing-Impaired Argentinean PopulationEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Audiol Neurotol 2010;15:194-202 (DOI:10.1159/000254487) (Source: Audiology and Neurotology)
Source: Audiology and Neurotology - November 3, 2009 Category: Audiology Source Type: journals

Environmental sound perception of cochlear implant usersEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The purposes of this study were (1) to develop a new test of environmental sound perception, the Environmental Sounds Perception Test (EST), (2) to compare the performance of experienced cochlear implant (CI) recipients with that of age-equivalent normally hearing (NH) listeners using this new test, and (3) to pilot test its clinical use as a pre-to-post assessment tool. The closed-set EST consisted of 45 different sounds classified into nine categories, with each sound being represented by two different tokens. The results showed that the NH participants scored significantly higher than the experienced CI users (p < 0.001...
Source: Cochlear Implants International - October 30, 2009 Category: Audiology Authors: VALERIE LOOI, JANNA ARNEPHY Source Type: journals

Testicular Cancer Survivors Face Other IllsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Title: Testicular Cancer Survivors Face Other IllsCategory: Health NewsCreated: 10/28/2009 4:10:00 PMLast Editorial Review: 10/29/2009 (Source: MedicineNet Hearing General)
Source: MedicineNet Hearing General - October 29, 2009 Category: Audiology Source Type: consumer

Marlee Matlin Champions Internet Access for the NADEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Academy Award winning actress and author Marlee Matlin, a member of the National Association of the Deaf (NAD), is taking on a new role as an NAD spokesperson for accessible broadband services and Internet media. read more (Source: National Association of the Deaf)
Source: National Association of the Deaf - October 28, 2009 Category: Audiology Authors: admin Source Type: organizations

NAD Youth Leadership CampEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Type: Learn More URL: http://www.nad.org/ylc (Source: National Association of the Deaf)
Source: National Association of the Deaf - October 27, 2009 Category: Audiology Authors: kelly.aziz Source Type: organizations

Junior NAD ConferenceEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Type: Learn More URL: http://www.nad.org/events/junior-nad-national-conference (Source: National Association of the Deaf)
Source: National Association of the Deaf - October 27, 2009 Category: Audiology Authors: kelly.aziz Source Type: organizations

Have We Lulled Ourselves Into Complacency?Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
com⋅pla⋅cen⋅cya feeling of quiet pleasure or security, often while unaware of some potential danger, defect, or the like; self-satisfaction or smug satisfaction with an existing situation, condition, etc. read more (Source: National Association of the Deaf)
Source: National Association of the Deaf - October 27, 2009 Category: Audiology Authors: Alexis.Kashar Source Type: organizations

Allie Rice Welcomed as Youth Leadership CoordinatorEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The National Association of the Deaf is pleased to welcome Allison Rice as its new Youth Leadership Coordinator. Her predecessor, Jennifer Yost Ortiz, recently departed the NAD with tremendous impact among deaf and hard of hearing youth. read more (Source: National Association of the Deaf)
Source: National Association of the Deaf - October 27, 2009 Category: Audiology Authors: admin Source Type: organizations

Effects of isoflurane on auditory evoked potentials in the cochlea and brainstem of guinea pigs.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
This study evaluated the effects of various concentrations of the volatile anesthetic isoflurane (1 - 3%) on the compound action potential (CAP), cochlear microphonic (CM) and auditory brainstem response (ABR). Recordings were initiated in the awake, lightly restrained animal. Anesthesia was induced with a single dose of Hypnorm((R)) (fentanyl and fluanisone). After tracheostomy increasing isoflurane concentrations were applied in N(2)O/O(2) via controlled ventilation. Data were compared to recordings in the awake animal using repeated measures ANOVA and Dunnett's post hoc test. On average, isoflurane dose-dependently supp...
Source: Hearing Research - October 27, 2009 Category: Audiology Authors: Stronks HC, Aarts MC, Klis SF Tags: Hear Res Source Type: journals

A Method for Removing Cochlear Implant Artifact.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
When cortical auditory evoked potentials (CAEPs) are recorded in individuals with a cochlear implant (CI), electrical artifact can make the CAEP difficult or impossible to measure. Since increasing the interstimulus interval (ISI) increases the amplitude of physiological responses without changing the artifact, subtracting CAEPs recorded with a short ISI from those recorded with a longer ISI should show the physiological response without any artifact. In the first experiment, N1-P2 responses were recorded using a speech syllable and tone, paired with ISIs that changed randomly between 0.5 and 4 seconds. In the second e...
Source: Hearing Research - October 27, 2009 Category: Audiology Authors: Friesen LM, Picton TW Tags: Hear Res Source Type: journals

A sum of simple and complex motions on the eardrum and manubrium in gerbil.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Based on comparisons of ear canal and scala vestibuli pressures the gerbil middle ear transmits sound with a gain of approximately 25 dB that is almost flat from 2 to 40 kHz, and with a delay-like phase corresponding to a 25 - 30 mus delay. How the middle ear is able to transmit sound with such high temporal and amplitude fidelity is not known, and is particularly mysterious given the complex motion the ossicles and tympanic membrane (TM) are known to undergo. To explore this question, we looked at the velocities of the manubrium and along a line on the TM. The TM motion was complex, and could be approximated as the co...
Source: Hearing Research - October 27, 2009 Category: Audiology Authors: de La Rochefoucauld O, Olson ES Tags: Hear Res Source Type: journals

Tympanic membrane and malleus-incus complex co-adaptations for high-frequency hearing in mammals.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The development of the unique capacity for high frequency hearing in many mammals was due in part to changes in the middle ear, such as the evolution of three distinct middle ear bones and distinct radial and circumferential collagen fiber layers in the eardrum. Ossicular moment(s) of inertia (MOI) and principal rotational axes, as well as eardrum surface areas, were calculated from micro-CT-based 3-D reconstructions of human, cat, chinchilla, and guinea pig temporal bones. For guinea pig and chinchilla, the fused malleus-incus complex rotates about an anterior-posterior axis, due to the relatively lightweight ossicles...
Source: Hearing Research - October 27, 2009 Category: Audiology Authors: Puria S, Steele C Tags: Hear Res Source Type: journals

Cochlear implantation in a profoundly deaf patient who also suffers from multiple sclerosis - a case studyEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We present a case study of cochlear implantation in a post-lingual adult having bilateral profound hearing loss for over 30 years in addition to multiple sclerosis unrelated to his deafness. Assessment of benefit in terms of speech-perception ability and quality of life reveal that long-term auditory deprivation and co-incidental multiple sclerosis are not a contraindication for cochlear implantation. Copyright © 2009 John Wiley & Sons, Ltd. (Source: Cochlear Implants International)
Source: Cochlear Implants International - October 26, 2009 Category: Audiology Authors: Jyoti Shanbhag, Neelam Vaid Source Type: journals