Children`s hearing loss
... (sensory) or auditory pathways to the brain (neural) and often is present from birth. It can also develop as a result of noise exposure, age or exposure to ototoxic medication (medicines that can damage hearing). Sensorineural hearing losses can range from mild to profound and may affect all or only ...
... (sensory) or auditory pathways to the brain (neural) and often is present from birth. It can also develop as a result of noise exposure, age or exposure to ototoxic medication (medicines that can damage hearing). Sensorineural hearing losses can range from mild to profound and may affect all or only ...
Auditory fMRI correlates of loudness perception for
... however, is much less well understood. Auditory functional MRI can help to identify the neural correlates of loudness perception and the influence of non-acoustic factors in perception. Binaural loudness summation refers to the finding that a binaural sound is perceived as louder than the same sound ...
... however, is much less well understood. Auditory functional MRI can help to identify the neural correlates of loudness perception and the influence of non-acoustic factors in perception. Binaural loudness summation refers to the finding that a binaural sound is perceived as louder than the same sound ...
Relations between cochlear histopathology and
... Of the small numbers of human temporal bones available, most involve patients that have had little, if any, residual hearing and have been implanted years prior to their death (Fayad et al., 2009; Nadol and Eddington, 2006; Nadol et al., 2001). Therefore it is unlikely that this material will provid ...
... Of the small numbers of human temporal bones available, most involve patients that have had little, if any, residual hearing and have been implanted years prior to their death (Fayad et al., 2009; Nadol and Eddington, 2006; Nadol et al., 2001). Therefore it is unlikely that this material will provid ...
Differences in Responses from the Cochleae and Central Nervous
... et al (this issue) demonstrated that listeners with impaired hearing who exhibit high ANLs (≥14 dB) are characterized by problematic hearing aid use. Listeners with impaired hearing who have low ANLs (≤8 dB) tend to be successful with amplification, while people with ANLs between 8 and 14 dB may be ...
... et al (this issue) demonstrated that listeners with impaired hearing who exhibit high ANLs (≥14 dB) are characterized by problematic hearing aid use. Listeners with impaired hearing who have low ANLs (≤8 dB) tend to be successful with amplification, while people with ANLs between 8 and 14 dB may be ...
PDF 3.2 MB - PhonakPro
... (sensory) or auditory pathways to the brain (neural) and often is present from birth. It can also develop as a result of noise exposure, age or exposure to ototoxic medication (medicines that can damage hearing). Sensorineural hearing losses can range from mild to profound and may affect all or only ...
... (sensory) or auditory pathways to the brain (neural) and often is present from birth. It can also develop as a result of noise exposure, age or exposure to ototoxic medication (medicines that can damage hearing). Sensorineural hearing losses can range from mild to profound and may affect all or only ...
PSYC 2220 – HUMAN FACTORS IN DESIGN
... • There are too many warning sounds for the pilot to comprehend (as many as 15 on a Boeing Aircraft). • Warning sounds may not be conceived of as a set and hence different alarms may sound very similar if not sufficiently different. • The sounds may be too loud (levels over 100db at the pilot’s ear) ...
... • There are too many warning sounds for the pilot to comprehend (as many as 15 on a Boeing Aircraft). • Warning sounds may not be conceived of as a set and hence different alarms may sound very similar if not sufficiently different. • The sounds may be too loud (levels over 100db at the pilot’s ear) ...
Reflex Measurements
... audiological evaluation. They can provide/confirm information about the type (conductive, sensory, neural) and degree of hearing loss. An acoustic reflex will most likely be elicited if all of the following conditions are met: 1. Normal middle ear function 2. Loud enough stimulus to elicit the respo ...
... audiological evaluation. They can provide/confirm information about the type (conductive, sensory, neural) and degree of hearing loss. An acoustic reflex will most likely be elicited if all of the following conditions are met: 1. Normal middle ear function 2. Loud enough stimulus to elicit the respo ...
Noise Induced Hearing Loss and the Military Environment
... limited loss of hair cells. Presbyacusis has a similar pattern on audiometry to NIHL, although the characteristic 4 kHz notch is not seen, in practice however this is not useful for distinguishing the two conditions as the notch may not be present in NIHL (13). The fact that hearing diminishes with ...
... limited loss of hair cells. Presbyacusis has a similar pattern on audiometry to NIHL, although the characteristic 4 kHz notch is not seen, in practice however this is not useful for distinguishing the two conditions as the notch may not be present in NIHL (13). The fact that hearing diminishes with ...
Jacobson`s Nerve Schwannoma Presenting as Middle
... (Figure 5). Arnold’s nerve (auricular branch of the vagus nerve) arises from the superior ganglion of the vagus nerve. It reaches the descending facial nerve canal via the mastoid canaliculus, which is also visible on high-resolution CT scans (12). In retrospect, erosion of the cochlear promontory s ...
... (Figure 5). Arnold’s nerve (auricular branch of the vagus nerve) arises from the superior ganglion of the vagus nerve. It reaches the descending facial nerve canal via the mastoid canaliculus, which is also visible on high-resolution CT scans (12). In retrospect, erosion of the cochlear promontory s ...
Directional hearing: from biophysical binaural cues to directional
... Greenfield 2002; Bradbury and Vehrencamp 2011). However, ears also evolved in insects without acoustic signals, indicating that other functions of hearing may also include the detection of cues from predators, or the detection of hosts in the case of parasitoids. The anatomical and physiological div ...
... Greenfield 2002; Bradbury and Vehrencamp 2011). However, ears also evolved in insects without acoustic signals, indicating that other functions of hearing may also include the detection of cues from predators, or the detection of hosts in the case of parasitoids. The anatomical and physiological div ...
Hearing of the African lungfish - Journal of Experimental Biology
... advantages as it may lead to increased sensitivity and a broader frequency range of the auditory system (Chapman and Sand, 1974; Fay and Popper, 1974; Popper and Fay, 2011). Transformation of pressure waves into detectable particle motion can be accomplished by gas-filled cavities like swim bladders ...
... advantages as it may lead to increased sensitivity and a broader frequency range of the auditory system (Chapman and Sand, 1974; Fay and Popper, 1974; Popper and Fay, 2011). Transformation of pressure waves into detectable particle motion can be accomplished by gas-filled cavities like swim bladders ...
ct scanning and computerized reconstructions of the inner ear of
... The length of the cochlear cavity is about 6.5 mm in Catopsalis and 5.5 mm in Meniscoessus. The cochlear length of multituberculates relative to skull length is about the same as in Morganucodon (Table 1). As has been extensively documented, the cochlea of extant diapsid reptiles is short and straig ...
... The length of the cochlear cavity is about 6.5 mm in Catopsalis and 5.5 mm in Meniscoessus. The cochlear length of multituberculates relative to skull length is about the same as in Morganucodon (Table 1). As has been extensively documented, the cochlea of extant diapsid reptiles is short and straig ...
Section 1.1 : The ear as a sensor
... Movement of the ossicles in the middle ear Stapedius reflex (protection mechanism) If a sound is detected by the brain at more than 80 dB SPL, the information is transmitted to the nucleus of the brainstem A reflex feedback loop orders the contraction of certain muscles, this rigidifies the ossi ...
... Movement of the ossicles in the middle ear Stapedius reflex (protection mechanism) If a sound is detected by the brain at more than 80 dB SPL, the information is transmitted to the nucleus of the brainstem A reflex feedback loop orders the contraction of certain muscles, this rigidifies the ossi ...
Redalyc.Computational Model of the Cochlea using Resonance
... on the basilar membrane generate a force on the hair cells this cause a change in their potential, which is transmitted through the auditory nerves directly to the brain where the interpretation is performed for different frequencies. Each part of basilar membrane responds to the maximum value of th ...
... on the basilar membrane generate a force on the hair cells this cause a change in their potential, which is transmitted through the auditory nerves directly to the brain where the interpretation is performed for different frequencies. Each part of basilar membrane responds to the maximum value of th ...
Sound Level - Lake County Safety Council
... – Employee fitted with hearing protectors, trained in use and care, required to use them. – Employee refitted with better attenuation hearing protectors and retrained in hearing protector use – Refer employee to eval/exam if add. testing necessary or if medical pathology is caused by hearing protect ...
... – Employee fitted with hearing protectors, trained in use and care, required to use them. – Employee refitted with better attenuation hearing protectors and retrained in hearing protector use – Refer employee to eval/exam if add. testing necessary or if medical pathology is caused by hearing protect ...
Noise Exposure at Work Presentation
... Audiometric testing produces printed audiograms which show hearing ability at several pitches or frequencies. These frequencies include those of the human voice. The second and following year tests are compared to the first year tests or baseline. If there is hearing loss of 10 decibels or more in t ...
... Audiometric testing produces printed audiograms which show hearing ability at several pitches or frequencies. These frequencies include those of the human voice. The second and following year tests are compared to the first year tests or baseline. If there is hearing loss of 10 decibels or more in t ...
NIH Public Access
... Dorman, et al., 2008, Helbig et al., 2008; Gstoettner et al., 2006, 2008; Zhang et al., 2010). Other patients receive much less, or even no benefit. There have also been cases in which combining the two signals produced poorer speech understanding scores than that observed with the CI alone (e.g., T ...
... Dorman, et al., 2008, Helbig et al., 2008; Gstoettner et al., 2006, 2008; Zhang et al., 2010). Other patients receive much less, or even no benefit. There have also been cases in which combining the two signals produced poorer speech understanding scores than that observed with the CI alone (e.g., T ...
How to prevent yourselves from hearing loss
... ear drum. Otitis media may result in perforations of the ear drum as well. The level of hearing loss associated with this condition is approximately 40dB. More chronic types of otitis media can result in permanent scarring of the ear drum. Such scarring reduces the ability of the ear drum to respond ...
... ear drum. Otitis media may result in perforations of the ear drum as well. The level of hearing loss associated with this condition is approximately 40dB. More chronic types of otitis media can result in permanent scarring of the ear drum. Such scarring reduces the ability of the ear drum to respond ...
Mechanisms of bacterial meningitis
... The sites of histological damage associated with meningitisrelated deafness have long been investigated. The cochlea, auditory nerve, auditory brainstem and even auditory cortex have been proposed [2,3,5,8,10,15–24]. Both studies in humans and in animals have demonstrated that the cochlea is the pri ...
... The sites of histological damage associated with meningitisrelated deafness have long been investigated. The cochlea, auditory nerve, auditory brainstem and even auditory cortex have been proposed [2,3,5,8,10,15–24]. Both studies in humans and in animals have demonstrated that the cochlea is the pri ...
Olivocochlear system
The olivocochlear system is a component of the auditory system involved with the descending control of the cochlea. Its nerve fibres, the olivocochlear bundle (OCB), form part of the vestibulocochlear nerve (VIIIth cranial nerve, also known as the auditory-vestibular nerve), and project from the superior olivary complex in the brainstem (pons) to the cochlea.