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Brainstem Injuries: Although lesions of the brainstem are a rare factor of central hearing loss, a lesion must be present on both sides of the brainstem in order for central deafness to occur. Persons afflicted with this condition often consider themselves to be deaf even while having reactions to sounds in their environment. Symptoms of Hearing Loss Hearing loss is a medical condition characterized by the decreasing ability of ears to understand and detect sounds. Patients with this type of condition are often misdiagnosed due to inconsistent auditory behavior, whereby patients may react to environmental sounds, but show no reaction to sudden loud sounds. Diagnosis:These patients have normal pure tone ability, therefore, pure tone audiogram alone will not identify the problem. This article focuses on hearing loss in infants. Causes About 2 - 3 infants out of every 1,000 live births will have some degree of hearing loss at birth. When compared to conductive and senorineural hearing loss, central hearing loss is very rare, and involves damage to the nerves of hearing.
In addition, the presence of tumors and abnormal bone growths can also lead to hearing impairment. Profound hearing loss is what most people call deafness. Some cases of hearing loss are progressive (they get worse over time).
Here is a closer look at the different treatments, diagnosis as well as the minor and major symptoms of hearing loss.Signs of Hearing Loss People suffering from the signs of hearing loss usually manifest major and minor symptoms. The person is unable inability to comprehend verbal or nonverbal sounds such as the startle reaction to a clap, and is the result of bilateral lesions to the brainstem. Early signs of this medical problem include withdrawal from conversations, difficulty in understanding words as well as muffled speech quality. The initial symptom of sudden deafness, that progress to the person being able to hear sound but can not recognize their meaning. Furthermore, patients commonly avoid social settings, increase the volume of radios and televisions as well as ask other people to speak in a louder, clearer and slower manner.Various factors contribute to this kind of hearing loss or damage. Cortical deafness is the result of a lesion in the cerebral cortex.Auditory hallucinations are most often found in schizophrenia, but can actually be due to brain damage.
Older people have inflicted more damage to their ears rather than younger people, which resulted in the declining ability of their ears to function normally. Around 1 in a 1000 is deaf at the age of three and nearly 20,000 children aged up to 15 are moderately to profoundly deaf. Auditory hallucinations can also be due to temporal lobe seizures, and occasionally due to damage to brainstem structures, such as the auditory cortex.If you or anyone you know has been diagnosed with a psychological disturbance such as schizophrenia, there is a slight chance that the real problem is central hearing loss or nerve damage.
1-6 Normal hearing mechanism The ear consists of a narrow canal or tube that lets in the sound waves. Causes of mixed hearing loss can include any combination of the above SNHL and CHL causes. Central hearing loss results from damage to the auditory nerve itself, or the brain pathways that lead to the nerve.

This is especially true for people who are exposed to occupational noise including those who are involved in factories, construction and farming.
Certain illnesses, the use of some medications and heredity are amongst the other risk factors of this serious health problem.Hearing Loss Diagnosis Doctors will normally conduct general screening tests on hearing loss patients.
For a better understanding of the different ear problems and conditions, it is best for patients to consult hearing specialists referred to as audiologists.
If they do not reach these milestones, hearing loss since infancy may be the cause. Some children may not be diagnosed until they are in school.
They will perform special hearing tests on patients for a highly accurate diagnosis of their hearing problems.Hearing Loss Treatment Thanks to the rapid advancement of technology, life is much easier and more convenient for people suffering from hearing loss. Today, cochlear implants are readily available, which work by compensating for the nonworking or damaged parts of the inner ear. These are shaped like a tiny hammer, anvil and a stirrup and are called malleus, incus and stapes bones respectively. Inattention and falling behind in class work may be the result of an undiagnosed hearing loss problem. Exams and Tests Hearing loss results in a baby's inability to hear sounds below a certain level.
A baby with normal hearing will hear sounds below that level. The health care provider will examine your child. They come in various styles, shapes and sizes, which make it easier to find items that would best fit the different needs of people. The exam may show problems such as bone problems or signs of genetic changes that may cause hearing loss. The doctor will use an instrument called an otoscope to see inside the baby's ears. Basic components of hearing aids include a battery, an earpiece, an amplifier and a microphone.For those suffering from earwax blockage, the solution is simpler. All they need to do is to loosen the wax with the help of glycerin, mineral oil or baby oil.
This test uses patches, called electrodes, to determine how the auditory nerve reacts to sound. Otoacoustic emissions (OAE) test. As an alternative, doctors do have suction devices to help suck the wax out of the ears.For more information on Symptoms Of Hearing Loss read:Symptoms Of Hearing LossSymptoms Of Hearing Loss Share this article on social networks Related Articles What Causes Hearing Loss? This occurs when any of the passages of the sound waves is blocked and the sound waves cannot be transmitted to the ear. If there is no echo, it is a sign of hearing loss. Older babies and young children can be taught to respond to sounds through play.
The most common causes are: blockage of the ear canal by ear wax perforation of the ear drum build-up of fluid due to an ear infection called glue ear Another type of hearing loss is sensorineural hearing loss where the auditory nerve and other nerves that carry the information from the sounds heard to the brain are damaged due to age or injury. These tests, known as visual response audiometry and play audiometry, can better determine the child's range of hearing. Treatment Over 30 states in the United States now have mandatory hearing screenings of newborns. The ear has three sections, the outer, middle, and inner ears, all work together to process sounds.

Early treatment of hearing loss can allow many infants to develop normal language skills without delay. The outer ear consists of the lobe and ear … Continue reading → What Causes Conductive Hearing Loss?
In infants born with hearing loss, treatments should start as early as possible, preferably by 6 months of age. Treatment depends on the baby's overall health and cause of hearing loss. Advances in hearing aid technology and speech therapy allow many children to develop normal language skills at the same age as their peers with normal hearing.
Vaccinations against several types of bacteria that cause meningitis are available, and may reduce the risk of the disease in a child with a cochlear implant. Treatment for Rosacea Prostate Pain Arthritis Remedies Jaw Pain Mad Cow Disease Home Remedies for Head Lice Treatment for Thrush What Causes Nightmares? In cases where there is sensorineural damage the patient is recommended: digital hearing aids surgically implanted hearing aids within the middle ear cochlear implants learning a sign language for communication For those with conductive hearing loss a Bone Anchored Hearing Aid (BAHA) is often suggested. A third type is a mixed type that has underlying symptoms of both these types of deafness of hearing loss. 1-6 Normal ear anatomy The normal ear consists of a narrow canal that lets in the sound waves. The initial symptoms include loss of high-frequency sounds, such as female or childrena€™s voices and difficulty in hearing consonants, making hearing and understanding speech difficult. These include notable antibiotics like aminoglycosides (Gentamicin, Amikacin etc.) Mixed type of hearing loss When people get both types together, the condition is termed mixed type of hearing loss.
There are numerous other causes that include disease and drugs that may damage the functioning of the ears and lead to hearing loss. People who work in noisy environment and those who listen to music at a high volume through headphones are at a greater risk. An obstruction of the ear canal with a foreign body like a bead or a small object may also act similarly. There are numerous causes of hearing loss and depending on the cause the symptoms vary between individuals. 1-5 Symptoms of Congenital hearing impairment Hearing impairment may be present in some conditions since birth.
The symptoms of this condition include: the baby not being startled with a loud noise not turning his or her head to the source of a sound while under four months old not say any word even by the age of one sees the mother but does not respond to her calling him or her seems to hear some sounds but not all sounds In general, children with delay in learning to talk, unclear speech, talking loudly or asked the speaker to repeat themselves and turning up the volume of the TV so that it is very loud indicates that there may be hearing impairment.

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21.03.2014 admin

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