Puretone Audiogram Shows Hearing Loss

Hearing loss continues to linger in the elderly population of today’s society. Yet, the onset of hearing loss can occur at any age and at any point in

The condition Colin is likely to be suffering from is Presbycusis. Presbycusis is an age-related hearing loss, it is a hearing disorder that can be caused by a variety of different factors. It is usually a sensorineural hearing disorder but can be a conductive hearing loss. A conductive hearing loss is when it is caused by problems with the ear canal, ear drum, middle ear and the malleus, uncus and stapes this can result in reduced function of the tympanic membrane or reduced function of auditory ossicles. Most commonly it is as a result of changes within the inner ear, middle ear or the nerve pathways to the brain. The cochlea is lined with tiny hair cells; these hairs convert sound vibrations into electrical signals which are received at the brain by a nerve. These cells can become damaged over time this means electrical signals cannot be transmitted as effectively so hearing becomes affected. Long-term exposure to loud noises such as that from traffic and loud equipment which Colin would have been exposed to working as a mechanic can also be a cause of

Auditory Processing Disorders, also known as Central Processing Disorders, are difficulties in the processing of auditory information in the central nervous system. The definition for an Auditory Processing Disorder is frequently changing and evolving. According to ASHA standards in 2005, a “central processing disorder refers to difficulties in the perceptual processing of auditory information in the central nervous system and the neurobiological activity that underlies the processing and gives rise to the electrophysiological auditory potentials (ASHA 2005).” Recent evidence has declared auditory processing disorders to be a legitimate clinical disorder resulting from confirmation of the link between well-defined lesions of the central nervous system and deficits on behavioral and electrophysiological central auditory measures (Musiek, F. Journal of American Academy of Audiology). An individual is likely to perform normally in tests including clicks and tones, rather than speech. There is a significant difference between the receptors for audition and speech processing. It is imperative that these disorders are diagnosed and treated early in a child’s development to eliminate developmental negative consequences.

Braydon seemed to be to be a healthy newborn. However, the doctor told his parents that he had failed his newborn hearing test. After several follow-ups and screenings for his hearing, he continued to fail. When he was approximately five months old, he had an Auditory Brain Response (ABR) test (S. Smith, personal communication, July 15, 2015). According to Falvo, an ABR is a test that measures the nerve’s response to sound (Falvo, 2014). His mother stated that after he had failed that test, it was determined that he had a profound hearing loss. The doctors explained to her that the hairs inside his cochlea had not developed, and this is the reason he can not hear sound (S. Smith, personal communication, July 15, 2015). Falvo (2014) states that there must be greater than 90dB loss for the individual to be diagnosed with profound hearing loss. Also, the individual had the tendency to feel sensations or could only hear sounds that were extremely loud. After the diagnoses, the doctor wanted him to try hearing aids. After getting his hearing aids, he wore them for a few weeks, the they did not help. Her wish for him was to get his hearing back because she wanted him to have a “normal” life. She did not want him to have to struggle with getting people to understand what he was saying (S. Smith, personal communication, July 15,

Since many measures of analysis were found for pre- and post-operatory hearing outcomes (scales and tests), rendering it difficult to compare the results of each author.

X did not report any issues with hearing. She responded appropriately to conversation level auditory stimuli during the evaluation.

Eventually, DL decided to get a cochlear implant. She started to realize that her hearing loss was progressive; she went from a mild hearing loss at 33 dB to severe to profound hearing loss at 95 dB. At that time she had mostly

Medical professionals all over the world have paved the road for further research and technological advances in the hearing impaired spectrum. Implantations, such as the cochlear implant (CI), have given patients with profound sensorineural hearing loss newfound hope for habilitation and rehabilitation services. However, “there exists a small subset of deaf individuals who will not benefit from the CI due to (1) a small or absent cochlea, (2) a small or absent auditory nerve, or (3) injury or scarring of the inner ear or auditory nerve secondary to meningitis, trauma, or tumor” as stated by Kaplan et al. (2015). A treatment option for those who did not meet the candidacy qualifications for a cochlear implant needed to be implemented.

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    A bilateral hearing screening was performed at 20 dB HL for 250, 500, 1,000, 2,000, and 4,000 Hz. Jeffrey responded to all frequencies bilaterally.

Hearing serves a crucial benefit for understanding the world around us. During the 1940’s, Dr. Ramsdell realized that hearing serves four crucial function; symbolically we are informed or entertained, aesthetically hearing is naturally pleasing, warningly we are alerted or prepared, primitively we are aware of our surroundings [1]. The ear is typically divided into three sections, used to simplify the hearing process. The first section, or the outer ear, is composed of the auricle (skin covered cartilage), the auditory canal, and the tympanic membrane (the outer layer of the eardrum). The middle ear section contains the eardrum, tympanic cavity, and the ossicles. These ossicles are three small bones often referred to as malleus (hammer),

Conductive hearing loss is from one or more deformity with the outer, inner, or middle ear which impacts sound from transferring to the nerves 5. Conductive hearing loss is often corrected with surgery, drugs, or hearing aids. Sensorineural hearing loss affects the cochlea, which transfers the sounds vibrations to the nerves 5. Although hearing aids are typically used for conductive hearing loss, a profoundly deaf sensorineural patient needs to complete a 6-month trial with them before they are considered ineffective and referred on for further testing for cochlear implant candidacy 5. Sensorineural hearing loss is primarily due to a malfunctioning cochlea so doctors run a hearing test to see how many decibels can be picked up by the cochlea. For pediatric patients to qualify for implants they need to be considered profoundly deaf in both ears. The tone threshold for mild hearing loss is between 21 and 40 dBHL (decibels Hearing Level) and profound hearing loss is greater than 90 dBHL 5. Typically, a pediatric patient looking for cochlear implants will go through a battery of speech-recognition testing while simultaneously undergoing the audiological

Program directors’ decision to only test frequencies at 1000, 2000, and 4000 Hz, while excluding 6000 Hz, will inevitably miss students with a hearing loss in higher frequencies. Assessing the efficacy of the hearing screening program led researchers to make recommendations for other universities to implement. Examples include, advocating the importance of follow-up to students to improve return rates, and having proper sound treatment to enhance screening results. Finally, adding 6000 Hz into the screening program may help to accurately identify students with early signs of high frequency hearing loss. In conclusion, the study was useful in acknowledging weaknesses such as assessing the low follow-up rates, noticing high levels of noise, and examining the impact on results when hearing screening programs choose to omit 6000 Hz. Recognizing the limitations of the hearing screening program allows for given recommendations to strengthen the efficacy of existing hearing screening

Since the stria vascularis is responsible for maintaining chemical balance within the cochlea, dysfunction in this structure will obviously result in auditory system deficits. In this type, the audiogram is typically flat, as an indication of 30-40 dB HL at all frequencies. The degree of degeneration in stria vascularis is directly related to the magnitude of the hearing loss. Patients with metabolic presbycusis commonly have very good speech recognition

Since Dax had recently had an audiological evaluation no acuity testing was done. Middle ear functioning was assessed using the tympanometer. The tympanogram showed no peak and increased ear canal volume, which was expected because he had tubes in his ears. The ear canal volume was 3.6 for the left ear and 5.9 for the right ear, which indicated open, functioning PE tubes.