“Surgical management of troublesome mastoid cavities”, Yung M
... Patients: One hundred and forty (140) revision mastoidectomies in 131 patients were studied. There were 25 children and 106 adults. The follow up regime was at 3months, 6-months, 1-year post-operation and yearly from then on. Cases requiring just meatoplasty or tympanoplasty without surgery on the m ...
... Patients: One hundred and forty (140) revision mastoidectomies in 131 patients were studied. There were 25 children and 106 adults. The follow up regime was at 3months, 6-months, 1-year post-operation and yearly from then on. Cases requiring just meatoplasty or tympanoplasty without surgery on the m ...
Auditory critical periods: A review from system’s perspective
... Abstract—The article reviews evidence for sensitive periods in the sensory systems and considers their neuronal mechanisms from the viewpoint of the system’s neuroscience. It reviews the essential cortical developmental steps and shows its dependence on experience. It differentiates feature represent ...
... Abstract—The article reviews evidence for sensitive periods in the sensory systems and considers their neuronal mechanisms from the viewpoint of the system’s neuroscience. It reviews the essential cortical developmental steps and shows its dependence on experience. It differentiates feature represent ...
hearing protection
... an estimated one-third (more than 60 million people) are exposed to high levels of noise for more than a quarter of their working time. In addition, more than 40 million have to raise their voices above normal conversational levels in order to be heard for a least half of their working hours. More t ...
... an estimated one-third (more than 60 million people) are exposed to high levels of noise for more than a quarter of their working time. In addition, more than 40 million have to raise their voices above normal conversational levels in order to be heard for a least half of their working hours. More t ...
Newborn Hearing Screening with Combined Otoacoustic Emissions
... (noninverting) and the ipsilateral mastoid process (Mi, with the contralateral mastoid process used as ground) in response to click signals (100 µsec) presented through the same probe assembly that was used for DPOAE measurements. The device was configured to present rarefaction clicks at 35 dB nHL ...
... (noninverting) and the ipsilateral mastoid process (Mi, with the contralateral mastoid process used as ground) in response to click signals (100 µsec) presented through the same probe assembly that was used for DPOAE measurements. The device was configured to present rarefaction clicks at 35 dB nHL ...
ABSTRACT The Auditory Brainstem Response: History and Future
... the different waves comprising the ABR are attributable to different structures of the pathway, it may be possible to determine the location of the problem. The methods of measuring and using the ABR have changed over the years as research has broadened understanding of how to interpret the output. ...
... the different waves comprising the ABR are attributable to different structures of the pathway, it may be possible to determine the location of the problem. The methods of measuring and using the ABR have changed over the years as research has broadened understanding of how to interpret the output. ...
Auditory Pathways and Processes
... or dysfunction is not caused by the other disorder(s). In light of this definition, an APD is not a discrete diagnostic entity but a term of convenience that alerts the clinician to the presence of one or more processing dysfunctions in one of the auditory processing mechanisms. A substantial resear ...
... or dysfunction is not caused by the other disorder(s). In light of this definition, an APD is not a discrete diagnostic entity but a term of convenience that alerts the clinician to the presence of one or more processing dysfunctions in one of the auditory processing mechanisms. A substantial resear ...
PDF file - Via Medica Journals
... of non-pulsatile tinnitus because of its subjective nature. Acoustic neuroma or otologic diseases such as Meniere’s disease can sometimes be the cause of nonpulsatile subjective tinnitus [5, 6]. Asymmetrical and volumetric changes in intracranial structures are of importance for both clinicians and ...
... of non-pulsatile tinnitus because of its subjective nature. Acoustic neuroma or otologic diseases such as Meniere’s disease can sometimes be the cause of nonpulsatile subjective tinnitus [5, 6]. Asymmetrical and volumetric changes in intracranial structures are of importance for both clinicians and ...
Loudness functions with air and bone conduction stimulation in normal-hearing
... stimulation level of 10 dB resulted in a 10 dB level increase of the required AC cancellation tone. Consequently, they reported the relative amplitude and phase settings at cancellation to be independent of stimulation level. Another AC-BC cancellation study that investigated the level-dependence of ...
... stimulation level of 10 dB resulted in a 10 dB level increase of the required AC cancellation tone. Consequently, they reported the relative amplitude and phase settings at cancellation to be independent of stimulation level. Another AC-BC cancellation study that investigated the level-dependence of ...
Cochlear Implants - Premier Health Plan
... It is estimated that more than 25 million Americans have hearing loss, including one out of four people older than 65.1 Hearing loss primarily affecting the external and middle ear is referred to as conductive hearing loss. The type of loss which may be helped by a cochlear implant is known as senso ...
... It is estimated that more than 25 million Americans have hearing loss, including one out of four people older than 65.1 Hearing loss primarily affecting the external and middle ear is referred to as conductive hearing loss. The type of loss which may be helped by a cochlear implant is known as senso ...
ASHA, Guidelines for the Audiologic Assessment of Children from
... The use of any test alone for assessing children's hearing sensitivity is discouraged (Diefendorf, 1998; Friedrich, 1985; Gravel, Kurtzberg, Stapells, Vaughan, & Wallace, 1989). Therefore, ASHA recommends a comprehensive pediatric assessment that includes behavioral, physiologic, and developmental m ...
... The use of any test alone for assessing children's hearing sensitivity is discouraged (Diefendorf, 1998; Friedrich, 1985; Gravel, Kurtzberg, Stapells, Vaughan, & Wallace, 1989). Therefore, ASHA recommends a comprehensive pediatric assessment that includes behavioral, physiologic, and developmental m ...
Critical Review: Using cortical auditory evoked potentials (CAEP) as
... with stimuli consisting of 100us clicks for normal hearing subjects and 200us/phase biphasic electric pulses for the implanted subjects. The pulses were presented at a rate of 1.3 per second at 65 dB nHL for the normal hearing subjects, and at most comfortable levels for the implanted subjects. Ther ...
... with stimuli consisting of 100us clicks for normal hearing subjects and 200us/phase biphasic electric pulses for the implanted subjects. The pulses were presented at a rate of 1.3 per second at 65 dB nHL for the normal hearing subjects, and at most comfortable levels for the implanted subjects. Ther ...
physiological reviews
... of spiral ligament behind it. Smooth muscle cells are described in the walls of arterioles and in capillaries of the cochlea (except in the stria vascularis) and non-myelinated nerve fibers accompany the cochlear artery in the modiolus (216). Perilymph. The perilymph, which fills Scala tympani, Scal ...
... of spiral ligament behind it. Smooth muscle cells are described in the walls of arterioles and in capillaries of the cochlea (except in the stria vascularis) and non-myelinated nerve fibers accompany the cochlear artery in the modiolus (216). Perilymph. The perilymph, which fills Scala tympani, Scal ...
Human cochlear hydrodynamics
... fluid pressure or volumetric flow rate have only been reported in animal models. In this study we imaged the human ear at 6.7 and 3-mm resolution using mCT scanning to produce highly accurate 3D models of the entire ear and particularly the cochlea scalae. We used a contrast agent to better distinguis ...
... fluid pressure or volumetric flow rate have only been reported in animal models. In this study we imaged the human ear at 6.7 and 3-mm resolution using mCT scanning to produce highly accurate 3D models of the entire ear and particularly the cochlea scalae. We used a contrast agent to better distinguis ...
Table 1
... reliability and accuracy of the tests. For example, the musical training piece for the sharpness ...
... reliability and accuracy of the tests. For example, the musical training piece for the sharpness ...
Hearing Threshold Estimation in Infants Using Auditory Steady
... Successful early intervention in children with permanent hearing loss requires assessment techniques that can accurately reflect the behavioral audiogram in infancy. This retrospective study compared auditory steady-state response (ASSR) findings from subjects tested in the first three months of lif ...
... Successful early intervention in children with permanent hearing loss requires assessment techniques that can accurately reflect the behavioral audiogram in infancy. This retrospective study compared auditory steady-state response (ASSR) findings from subjects tested in the first three months of lif ...
Guidelines for Fitting Hearing Aids to Young Infants
... to verify the hearing aid fitting. However in practice, the ABR will often have been carried out using a foam insert tip (or headphones) and the RECD and verification will be carried out with the custom earmould. The audiologist should be aware of the differences between these different transducers ...
... to verify the hearing aid fitting. However in practice, the ABR will often have been carried out using a foam insert tip (or headphones) and the RECD and verification will be carried out with the custom earmould. The audiologist should be aware of the differences between these different transducers ...
Facts About Hearing Loss in Children
... Options exist in terms of modes of communication as well, ranging from auditory-oral, auditory-verbal, and Cued Speech approaches, to American Sign Language and Total Communication. The book Choices in Deafness by Sue Schwartz, Ph.D. provides parents with a solid background in each of these options. ...
... Options exist in terms of modes of communication as well, ranging from auditory-oral, auditory-verbal, and Cued Speech approaches, to American Sign Language and Total Communication. The book Choices in Deafness by Sue Schwartz, Ph.D. provides parents with a solid background in each of these options. ...
Course of Hearing Recovery According to Frequency in Patients
... in 13 (54%), and unchanged in 6 (25%). Disturbances of pure-tone hearing were cured in approximately 20% of our patients and recovered partially in 75%. Pilgramm [4] suggested that in rifle-related injuries, the right ear sustains minimal damage because it is protected by the right forearm, shoulder ...
... in 13 (54%), and unchanged in 6 (25%). Disturbances of pure-tone hearing were cured in approximately 20% of our patients and recovered partially in 75%. Pilgramm [4] suggested that in rifle-related injuries, the right ear sustains minimal damage because it is protected by the right forearm, shoulder ...
Pediatric Sensorineural Hearing Loss
... evaluating and treating children with hearing loss. The audiologists who work with cochlear implantation are specially trained in this area. Pre-operatively, they will determine the nature and severity of the hearing loss and provide extensive counseling regarding hearing loss and the communication ...
... evaluating and treating children with hearing loss. The audiologists who work with cochlear implantation are specially trained in this area. Pre-operatively, they will determine the nature and severity of the hearing loss and provide extensive counseling regarding hearing loss and the communication ...
Minimal Hearing Loss - High Risk for Academic Underachievement
... physics are not often broken. In a classroom that is 30 feet deep, the teacher‘s voice volume differs by almost 75% from the front rows to the rear rows of seats. Since sound intensity halves as the distance from the sound source is doubled, if a teacher is speaking at 60 dB HL (normal speech intens ...
... physics are not often broken. In a classroom that is 30 feet deep, the teacher‘s voice volume differs by almost 75% from the front rows to the rear rows of seats. Since sound intensity halves as the distance from the sound source is doubled, if a teacher is speaking at 60 dB HL (normal speech intens ...
Critical Review: Is there evidence that auditory steady
... frequency-specific information from infants less than 6 months of age who are suspected of hearing loss. The TBABR is a series of electrical potentials that are recordable from the scalp to give frequency-specific estimates of hearing level. Definitive results through TBABR may require several test ...
... frequency-specific information from infants less than 6 months of age who are suspected of hearing loss. The TBABR is a series of electrical potentials that are recordable from the scalp to give frequency-specific estimates of hearing level. Definitive results through TBABR may require several test ...
General Hearing Conservation Training
... 2. Insert Insert earplug so all flanges are well inside the ear canal. ...
... 2. Insert Insert earplug so all flanges are well inside the ear canal. ...
Sound Pressure Level of the Steyr AUG Rifle
... This situation was not ideal as the angle of the barrel was not strictly controlled. The firer was instructed to aim the weapon downrange, and the experimenters checked to make sure this was approximately correct as the trial progressed. However, given the coarse angular resolution in this experimen ...
... This situation was not ideal as the angle of the barrel was not strictly controlled. The firer was instructed to aim the weapon downrange, and the experimenters checked to make sure this was approximately correct as the trial progressed. However, given the coarse angular resolution in this experimen ...
Hearing aids, cochlear implants, and other assistive technology
... hearing aids Most children’s hearing aids are fitted through the public hospital system. A small number of private audiology clinics will also fit children’s hearing aids and while there is a charge for the fitting and ongoing care, the cost of the hearing aids themselves is supported by the Ministr ...
... hearing aids Most children’s hearing aids are fitted through the public hospital system. A small number of private audiology clinics will also fit children’s hearing aids and while there is a charge for the fitting and ongoing care, the cost of the hearing aids themselves is supported by the Ministr ...
Curriculum Vitae - Aging Studies Institute
... *Burns, K.S., *Soll, A.C., & Vander Werff, K.R. (2009, March). Brainstem responses to speech in younger and older adults. Poster presented at the American Auditory Society Annual Meeting, Scottsdale, AZ. Vander Werff, K.R. (2009, March). Evoked potential measures of central auditory function followi ...
... *Burns, K.S., *Soll, A.C., & Vander Werff, K.R. (2009, March). Brainstem responses to speech in younger and older adults. Poster presented at the American Auditory Society Annual Meeting, Scottsdale, AZ. Vander Werff, K.R. (2009, March). Evoked potential measures of central auditory function followi ...