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Researchers said there can be many contributing factors for the hearing loss, but the most common culprit might be excessive use of iPod, MP3 and other personal music players, used with ear buds inserted inside the ear. Researchers are not sure about the actual reason for increasing hearing loss problem in teens, but advised that it is a good idea to avoid the exposure to high volume and keep the voice of music low. If there is a problem in the outer or middle part of the ears, this affects the way sound is carried, or conducted, through to the inner ear and the rest of the auditory system.
Hearing loss that results from damage to or disorders of the outer and middle ear is therefore referred to as conductive hearing loss. The most common cause of conductive hearing loss, which mainly affects children, is otitis media. The production in our ears of the oily substance known as cerumen, or ear wax, is both a natural thing, and a beneficial one. Conductive hearing loss is often temporary and may be improved with medical or surgical procedures. Assistive listening devices (ALDs) or Hearing Assistive Technology (HATS). ALDs, such as FM systems, require the person speaking to wear a microphone. In this condition, the inner ear works, but there is a problem that keeps the brain from recognizing and interpreting sound correctly. You must have JavaScript enabled in your browser to utilize the functionality of this website.
Many different conditions can result in hearing impairment and the cause can be located in any part of the hearing system. Conditions affecting the outer and middle ear cause a a€?conductivea€™ type of hearing loss.
Conductive hearing loss may be temporary or permanent, can be caused caused by a buildup of earwax or an ear infection, or other middle ear conditions.
The hearing test is plotted on an audiogram which shows the degree of hearing loss (dB or decibel on the vertical axis) for individual frequencies (Hz or Hertz on the horizontal axis).
This is a graph which shows the percentage of correct words repeated on the vertical axis against the presentation level (volume in dB). Include electrophysiological measurement of the auditory system as well as Central Auditory Processing which tests how auditory information is processed, it tests a€?what the brain does with what it hearsa€™. More specific information about your hearing loss can be obtained by having a comprehensive hearing test.
HEARLINK is a privately owned and operated audiology clinic committed to helping people hear. Josef Shargorodsky, an ear, nose and throat specialist at Channing Laboratory at Brigham and Women’s Hospital and Massachusetts General Hospital led the study. However, in cases where medical or surgical intervention is not appropriate, individuals with conductive hearing loss may be managed with hearing aids, including such special devices as bone-anchored hearing aids (BAHA) or bone conductor hearing aids.
This wax coats the inner surface of our ear canals and protects the tiny hair follicles that vibrate when sound waves touch them, and thus help us to hear.
Shortly after obtaining her Master of Public Health degree, she began her career at the National Institutes of Health in Bethesda, Maryland.


It is due to problems with the inner ear or damage to the hair cells or nerves inside the inner ear. Cochlear implants are used when the hearing loss is too severe to be treated with hearing aids. The person’s voice is then transmitted into the child’s hearing aids, cochlear implants, or earphones. Conditions affecting the inner ear and the auditory nerve cause a a€?sensorineurala€™ hearing loss or a€?nerve deafnessa€™.
Your outer ear gathers sound waves and funnels them down into the ear canal, striking the eardrum, causing it to vibrate. Sensorineural hearing loss, which is almost always permanent and far more common and be caused by aging, excessive and prolonged noise exposure, infections, hereditary factors as well as a host of other causes.
There is usually close correlation between the speech audiogram and the pure tone audiogarm. This fine coating of ear wax attracts and collects foreign particles that enter the ear, such as dirt and dust, bacteria, and other microorganisms. Juliette now lives in Europe, where she launched ServingMed(.)com, a small medical writing and editing business for health professionals all over the world. Your child’s audiologist (health care professional who specializes in hearing problems) can tell you which type of hearing loss your child has. For someone to hear, sound signals must travel from outside the ear through the ear canal and eardrum into the inner ear. If fluid buildup behind the eardrum is the cause, a tiny tube may be inserted into the eardrum to help drain the fluid. Assistive listening devices allow the child to hear the person speaking without distracting background noise.
To hear words correctly, the brain must recognize and interpret the sounds that are sent to the brain. Your child's audiologist (a health care professional who specializes in hearing problems) can tell you which type of hearing disorder your child has. Three tiny bones in the middle ear conduct the vibrations from the eardrum to the cochlea in the inner ear. Surgical procedures and medications can treat conductive hearing loss, but rarely sensorineural hearing loss. It is not usually considered a measure of hearing but rather it measures the mechanical function of the the middle ear which includes the ear drum and the three ossicles (tiny bones) as well as the ventilating adequecy of the Eustachian tube (for the middle ear to work normally it needs to be filled with air at the same pressure as the outside atmospheric pressure ar any given time including different altitudes). If a hearing aid is indicated this will also be discussed with your Audiologist or Audiometrist. Although it is usually easily treatable, the incidence of otitis media is significantly higher among Indigenous children, for whom it represents a serious health and educational issue. Ear wax also helps to protect the sensitive skin of the inner ear canal, especially when it is exposed to water when we shower, bathe, or go swimming. These vibrations travel to the inner ear where tiny “hair cells” (cilia) and the hearing nerve turn the vibrations into nerve impulses (signals).


Conductive hearing loss results when sound becomes partially or fully blocked in the outer or middle ear. Your health care provider can tell you more about what’s causing your child’s hearing loss and how it can be treated or managed. The brain then senses what we “hear.” With sensorineural hearing loss, the hair cells or nerves are damaged and do not send the signals needed for hearing to the brain.
FM systems can be used in classrooms to help children with hearing loss hear their teachers. With APD, something keeps the brain from properly processing or interpreting the sounds that make up a word or words. If anything interferes with the transfer of sound waves up to this point the type of hearing loss that may result is called conductive. Parents who have concerns about their child's responsiveness to sound, language development, or behaviour should talk to their doctor. Scientists think it may be related to problems with the hearing nerve, but more research needs to be done. The sound vibrations having reached the inner ear create waves in the fluid inside the inner ear, stimulating thousands of delicate hair cells. There are hearing tests available to check for ANSD that can be done by your child's audiologist. This generates nerve impulses in the auditory nerve, which lies just beyond the cochlea, which are carried to the brain therefore, making sense of sound.
With hearing loss, either a temporary blockage or a permanent problem within the ear or brain keeps sound from being heard or understood.
Anything that damages the hair cells or blocks the transmission of the nerve impulses can lead to sensorineural hearing loss. They can perform simple and painless test to determine whether your symptoms or hearing loss are related to an accumulation of ear wax. If this is the case, the buildup of ear wax can be easily removed, either in your doctor's office or at home.
The theory is that the heated air in the cone will melt the ear wax and it will be drawn up by the vacuum created by the fire into the cone and dissolved.
These have been found in clinical trials not to work, and worse, pose the risk of serious injury. Doctors and audiologists can use more specialized tools such as a small, spoon-shaped curette to remove the blockage, or use better forms of irrigation or suction to remove it.



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02.08.2014 admin



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