Is the ‘Observer Effect’ Present in Real Ear Measurement Practice?
How the "observer effect" can present a challenge for accurately measuring the acoustic properties of closed domes in the ear.
Tag: research
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Age-related Hearing Loss Linked to Genes, Research Finds
UC San Francisco (UCSF) and Kaiser conducted a study of thousands of patient electronic medical records and genome sequences from adults with age-related hearing loss and identified two genetic variations linked to this type of loss.
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The Surprising Success of Digital Noise Reduction
Because the literature shows the benefits of DNR include more rapid word learning rates, less listening effort, better recall of words, improved SNR at the hearing aid output, and more, audiologists Beck and Behrens suggest including activation of the DNR circuit as the “go-to” setting for adults and children.
Our Perceptions Are Flawed, Says UCLA Study
According to a study from UCLA, our vision and hearing aren’t as reliable as we think. While many people view their sensory perceptions as flawless, thinking that to see is to believe, this is not necessarily so.
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NIDCD Speaker Series: December Talk on How Research Is Preventing Hearing Loss
The public is invited to a Thursday, December 10, 2015 talk titled “How NIDCD research is preventing or reversing hearing loss,” as part of the NIDCD Speaker Series. It is scheduled for 11:00 AM to 12:00 PM in the Porter Neuroscience Research Center, Building 35A, Room 640, on the NIH campus in Bethesda, Md. It will be given by Lisa Cunningham, PhD, chief, NIDCD Section on Sensory Cell Biology.
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Damage-sensing Nerve Cells in Inner Ear Send Messages to Brain
According to new research from Johns Hopkins, some nerve cells in the inner ear can signal the brain about tissue damage in a way similar to pain-sensing nerve cells in the body. If the finding, discovered in rats, is confirmed in humans, it may lead to new insights into hyperacusis, an increased sensitivity to loud noises that can lead to severe ear pain.
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Computer Program Predicts Success of Cochlear Implants in Children before Surgery
A new computer program that analyzes functional brain MRIs in hard of hearing children can predict whether they will develop effective language skills within two years after cochlear implant surgery. This could reduce the number of children who undergo the invasive procedure, only to be disappointed when cochlear implants do not deliver hoped-for results.
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NFLPA, EarQ Investigate Hearing Loss Among Football Players
EarQ announced that following significant player participation at the 2015 NFL Players Association’s (NFLPA) Conference in March, and the Chicago regional meeting in August, EarQ and the Professional Athletes Foundation (PAF) brought their hearing health research program to the New Orleans chapter of the NFLPA.
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Study of Ancient Auditory Muscles Yields Clues to Hearing Deficits
A University of Missouri (MU) psychologist conducted a study review of human vestigial muscles behind the ears and determined that ancient neural circuits responsible for moving the ears may be responsive to sounds. Neuroscientists studying auditory function could use these nonfunctioning muscles to study infant hearing deficits.
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An Audiological Journey in a Smaller World
Looking back on a eventful trip in 1960, Dr Jerger recounts the many friendships made during a trip overseas, and how those friendships influenced his career. The professional camaraderie he shared with international colleagues and insights he gained from them illustrate the advantages of growing up professionally in a smaller world.
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JAMA Study Indicates Association between Hearing Impairment and Mortality
A September 24, 2015 article published in JAMA Otolaryngology-Head and Neck Surgery, proposes that, based on analysis of data from the National Health and Nutrition Examination Survey (NHANES), hearing impairment has been associated with various negative health issues, and possibly earlier death for older adults.
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Findings on Brain Plasticity after Vision Loss Offer Insight on Hearing Loss
Biologists at KU Leuven in Belgium have discovered a molecular “on-off switch” that controls how a mouse brain responds to vision loss, and their findings help inform our understanding of how the brain responds to hearing loss and hearing implants.
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Better Targets Identified for Vaccine against Middle Ear Infections
Researchers have found that the bacterial pathogen Haemophilus influenzae, which causes otitis media, randomly changes gene expression, causing the bacteria to switch between two different cell types–this “moving target” is what has made vaccine development difficult in the past.
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Research Suggests New Avenues for Music Training in Aural Rehabilitation
With the wealth of exciting research findings in the areas of neuroplasticity and music training, it increasingly appears likely that concepts related to music training can be applied to aural rehabilitation for numerous clinical populations.
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International Project Explores Potential Harm of Inaudible Sounds
European experts examine the potential impact of inaudible sounds from wind farms and modern technology on health and hearing. They have extended their study of infrasound and ultrasound to include an examination of the psychological effects of inaudible sounds.
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Surgeons Publish Study on Auditory Brainstem Implant Procedure
According to an article published in the June 2015 edition of Operative Neurosurgery, a team of US and Japanese experts has mapped out the surgical anatomy and approaches for the auditory brainstem implant.
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An Introduction to MarkeTrak IX: A New Baseline for the Hearing Aid Market
The first publication of MT9 shows that the majority (81%) of hearing aid users are satisfied with their devices and confirms that hearing aids are positively impacting their overall quality of life in several ways. MT9 also sheds light on the influence of care providers, as well as some challenges.
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Scientists Find Echolocation Requires Keen Bilateral Hearing
Scientists at the University of Southampton found that people who have good high-frequency hearing in both ears can use echoes to determine the position of objects via echolocation, in much the same way that bats and dolphins do.
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