Research

Hearing technologies could play an important role in delaying dementia

EVENT

© The International Society of Audiology

New research into understanding how the brain adapts and improves its hearing abilities through the use of hearing technologies could play an important role in the future management of dementia. The use of devices such as hearing aids and cochlear implants to delay and/or reverse cognitive decline in conditions such as dementia was one of the topics discussed at the XXXII World Congress of Audiology in Brisbane this week.

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NOISE: online database highlights risks to hearing

International Noise Awareness Day 2014

Researchers from the National Acoustic Laboratories (NAL) have been recording some of the country’s noisier recreational environments and uploaded the results of their efforts to a new website known as the NOISE Database.

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Personality changes in elderly with hearing loss

Research

Changes in personality are now known to occur across the life span but were previously thought to slow or stop from early adulthood. In recently reported findings published by researchers from the University of Gothenburg, Sweden, a link was demonstrated between hearing impairment and a steeper age-related decline in extraversion in the elderly.

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New study: hearing aids improve speech and language development

Research

© Jennifer Russell-Dreamstime

Although it is commonly accepted that providing hearing aids to children with hearing loss early on has a positive effect on their speech and language development, there are few published empirical studies evaluating the effectiveness of this practice.

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Korean study: prevalence and risk factors of tinnitus

Research

© KCI1 - Fotolia

The word “tinnitus” comes from the latin term tinnire meaning to ring, reflecting the perception of sound that affected people experience in the absence of any corresponding external stimulus. Tinnitus is clinically heterogeneous and is known to be a common condition but exact prevalence is very difficult to estimate.

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Improving hearing through dietary supplements

Research

© Bernd Esche-Dreamstime

Genetic mutations in the GJB2 gene, encoding Connexin 26 which is involved in diffusion of materials between cells, are the most common cause of genetic hearing loss. These mutations represent up to half of cases of recessive genetic deafness. The hearing loss may be mild to profound and is usually stable, but in some patients it may be progressive.

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Myelin damage and transmission of auditory signals

Research

© Philhol - Fotolia

The link between exposure to excessive noise and hearing loss has been clearly established. However, the mechanisms underlying this effect are not yet well understood.

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Case study: Rational assessment of tinnitus sufferer ends up with remission

Taking on the suggestion to present a clinical case, Dr. Tanit Ganz Sanchez from Brazil (see below) chose the gratifying story of a patient who got cured from tinnitus. This is an interesting example of how a set of information collected during the diagnosis process helps to figure out different personalized treatment strategies. In this perspective, ENT doctor’s role is essential.

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Decrease in cerebral volume accelerated in hearing impaired

Research

A team of researchers from Johns Hopkins University and the National Institute on Aging, Baltimore, Maryland (USA), have used magnetic resonance neuroimaging studies to evaluate the effects of hearing deficits on cerebral atrophy.

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Animal study: temporary blindness can boost hearing

Research

© AFDIAG

Links between the senses are well known but a recent study conducted in mice has provided scientific evidence that hearing can be boosted by withdrawal of exposure to light. The findings were published in the journal Neuron in last February.

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