And, as long as there is
normal hearing in at least one ear, speech and language will develop normally.
The study participants were 32 healthy individuals with
normal hearing without any history of psychiatric or neurological disorders.
Previous research from other studies had linked hearing loss with marked differences in brain structure compared to those
with normal hearing, both in humans and animals.
The new findings suggest that intermittent experience
of normal hearing is important for preserving sensitivity to those cues and could offer new strategies for rehabilitating people who have experienced hearing loss in childhood.
The ear flap (pinna) and canal help to funnel sound waves down to the ear drum
for normal hearing to occur.
Researchers reporting in Current Biology on March 5 have found that a tropical species of hummingbird called a black jacobin makes vocal sounds with an unusually high - frequency pitch that falls outside birds»
normal hearing range.
If the loss of hearing is persistent, however, it can lead to impairments in later life, even
after normal hearing has returned.
These earlier studies found that changes in the brain that result from loss of hearing persisted even
when normal hearing returned.
To determine the potential efficacy of this approach, the researchers had 18 healthy volunteers with
normal hearing undergo five fMRI - neurofeedback training sessions.
«Because only about 20 per cent of such people wear hearing aids, the only way to resolve this problem is to improve the level of sound for them without annoying other viewers in the household with
normal hearing who don't want to be subjected to a loud volume.»
Classrooms with poor acoustics can also leave children with
normal hearing unable to properly determine what is being said by a teacher, which can be detrimental to their education.
Acquired Deafness & Hearing Loss Dogs with acquired deafness are born with the capability of developing and
maintaining normal hearing, but hearing is lost as the animal ages.
Too much compression limiting can affect the quality of music even for people
with normal hearing, Croghan said, but it compounds the problem for hearing aid users.
Babies learn to speak by listening and the child who does not have
normal hearing will have delayed speech and language.
The scientists hope the findings will help unravel auditory processing disorders, in which people with
normal hearing have trouble understanding words.
Twenty people were selected to take part in the study after testing showed they were neurologically healthy and had
normal hearing.
To test the theory, the two recruited 11 adult volunteers, some with
normal hearing and some who had gone deaf within the past 20 years but who wore cochlear implants.
Activity in the amygdala, a brain region associated with emotional processing, was lower in the tinnitus and hearing - loss patients than in people with
normal hearing.
Over all, the tinnitus group's reaction times were slower than the reaction times of those with
normal hearing.
Patients with persistent ringing in the ears — a condition known as tinnitus — process emotions differently in the brain from those with
normal hearing, researchers report in the journal Brain Research.
Compared with stimulation from traditional cochlear implant electrodes, the light produced more precise neural activity in the brain stem, similar to
normal hearing.
Overall, the scientists report, those with impaired hearing lost more than an additional cubic centimeter of brain tissue each year compared with those with
normal hearing.
More than 99 % of the time, two words are enough for people with
normal hearing to distinguish the voice of a close friend or relative amongst other voices, says the University of Montreal's Julien Plante - Hébert.
After analyzing their MRIs over the following years, Lin and his colleagues, reporting in an upcoming issue of Neuroimage, say those participants whose hearing was already impaired at the start of the sub-study had accelerated rates of brain atrophy compared to those with
normal hearing.
For the study, Frank Lin, M.D., Ph.D., and his colleagues used information from the ongoing Baltimore Longitudinal Study of Aging to compare brain changes over time between adults with
normal hearing and adults with impaired hearing.
At the starting point, 75 had
normal hearing, and 51 had impaired hearing, with at least a 25 - decibel loss.
Presentation # 4aSCb9, «Acoustic characteristics of infant - directed speech to
normal hearing and hearing - impaired twins with hearing aids and cochlear implants: A case study,» by Maria V. Kondaurova, Tonya R. Bergeson - Dana and Neil A. Wright will be presented during a poster session on Thursday, October 30, 2014.
At the heart of the study are a 15.8 - month - old pair of twins with
normal hearing; an 11.8 - month - old pair with a normal - hearing twin and a hearing - impaired twin with a mild degree of hearing loss (who received hearing aids); and a 14.8 - month - old pair with a normal - hearing twin and a hearing - impaired twin born with severe - to - profound degree of hearing loss (who received a cochlear implant in the right ear).
CHAMPAIGN, Ill. — Patients with persistent ringing in the ears — a condition known as tinnitus — process emotions differently in the brain from those with
normal hearing, researchers report in the journal Brain Research.
There may be other links between alcohol and hearing loss: According to the researchers, one study conducted in the 1970s found that «alcohol reduces the protective action of the acoustic reflex in persons with
normal hearing.»
Classroom Acoustics by the Acoustical Society of America says that in many classrooms, listeners with
normal hearing can understand only 75 percent of the words read from a list.
My father told me he had been born in 1902,
a normal hearing child, but at an early age had contracted spinal meningitis.
Not all of us have
normal hearing (like me).
Dropping an object, such as a metal tray, behind your cat should startle her if she has
normal hearing.
Border collies with as little as 15 % of
normal hearing still perform like dogs with normal hearing.
Below are scans of
a normal hearing dog and a deaf dog.
There are many colored dogs with
normal hearing that have been DNA tested and proven to be double merles.
They do not bark in response to auditory stimuli like dogs with
normal hearing, but they may bark at visual stimuli or at sounds that they can still hear if they are not fully deaf.
2) selecting friendly and confident parent dogs with normal urinary metabolism and
normal hearing.