Scientists Create 'Golden Ear' Mouse With Great Hearing As It Ages Nov 10, 2009
9, 2009) What do you get when you cross a mouse with poor hearing and a mouse with even worse hearing. Ironically, a new strain of mice with "golden ears" -- mice that have outstanding hearing as they age. (Science Daily)
More Action Is Needed To Support Millions Of Tinnitus Sufferers Worldwide, Review Finds Nov 5, 2009
" Other key findings of the research review include: Ten to 15% of people experience tinnitus at some time in their life. Five per cent of the UK's 4.7 million sufferers experience severe and persistent tinnitus that affects their lifestyle. 19% of Americans have the condition -- with only 12 million seeking help. 14.5% of Italians have prolonged spontaneous tinnitus and 1.5 million German adults experience 'considerably annoying tinnitus'. Tinnitus increases with age and hearing impairment and... (Science Daily)
How the Ear Works Nov 3, 2009
Understanding the Sense of Hearing in the Cochlea. The cochlea, a structure in the inner ear, changes sound waves into electrical signals that get sent to the brain ... The cochlea also determines the pitch of sounds. (Suite101.com)
How Tiny Cells Deliver Big Sound In Cochlea Oct 23, 2009
Now, reporting on rat experiments in the October 22 issue of Nature, a Johns Hopkins team says it has for what is believed to be the first time managed to measure and record the elusive electrical activity of the type II neurons in the snail-shell-like structure called the cochlea ... Glutamate is a workhorse neurotransmitter throughout the nervous system and it excites the cochlear neurons to carry acoustic information to the brain ... Working with week-old rats, neuroscience graduate student... (Science Daily)
Implants mark the beginning of hearing, speech for Klemme toddler Oct 22, 2009
The Welsh family is referring to the cochlear implants Evan boasts, devices that were surgically inserted into Evan's head in August in order to help him hear for the first time in his life ... Clarissa said they knew almost immediately that Evan would need cochlear implants if he were to ever get the opportunity to hear ... Evan had surgery to receive his cochlear implants August 7. (Forest City Summit, IO)
Men, convertible drivers at risk for hearing loss Oct 9, 2009
The inner ear contains a bone structure called the cochlea, which has a fluid that moves in response to these vibrations. Hair cells in the cochlea help convert vibrations into signals that get transmitted to the brain. (CNN -- Health)
Is Your Puppy's Disobedience Caused... Sep 14, 2009
Puppies are tested at six weeks of age, when it is possible to pick up any degeneration in the cochlea and the hair cells in the inner ears. A Brainstem Auditory Evoked Response (BAER) machine, a kind of electroencephalograph (EEG), records on a graph the responses of the auditory nerve and the different parts of the cochlea when sounds are fed into the puppy s ears through headphones. (Suite101.com)
Taking Up Music So You Can Hear Aug 28, 2009
Loud, sustained sound can damage tiny hairs in the cochlea, and yet 80 percent of people listen to personal music devices at dangerous levels above. . (Science Daily)
Sound device Aug 17, 2009
The device transforms sounds into vibrations, which are amplified and transferred through an implanted titanium screw and your skull to the cochlea ... "If you have hearing loss in one ear but the cochlea on that side is healthy, it will pick up the vibrations," Lipman said ... "If that cochlea is damaged, then your other cochlea will pick up the vibrations and it will seem like you're hearing out of both ears.". (Erie Times-News, PA)
Cochlear Forecasts Full-Year Profit Growth on Release of New Ear Implants Aug 11, 2009
Cochlear Forecasts Profit Growth on Release of New Products - Bloomberg ... Cochlear Forecasts Profit Growth on Release of New Products ... We anticipate growth will be biased to the second half, Sydney-based Cochlear said in a statement today. (Bloomberg -- Australia & New Zealand)
The Law of Accelerating Returns, Ray Kurzweil, KurzweilAI.net Aug 1, 2009
Cochlea: organ of hearing ... DCN: Dorsal Cochlear ... Feedback signals to modulate outer hair function in the cochlea. (Harper's Magazine)
Hearing Manipulated By Electronics Jul 11, 2009
The most important substance in the cochlea is glutamate, which regulates signals from the inner hair cells to the auditory nerve ... Osmotic pumps are today used to transport the substances in a liquid, risking over-dosage, leaking and excessive pressure in small spaces, for example in the cochlea. (Science Daily)
Breakthrough In Development Of Tiny Biological Fuel Cells Jul 2, 2009
ScienceDaily (July 1, 2009) University of Georgia researchers have developed a successful way to grow molecular wire brushes that conduct electrical charges, a first step in developing biological fuel cells that could power pacemakers, cochlear implants and prosthetic limbs ... 7, 2005) Scientists at the University of Michigan have developed the first micro-machined, life-sized, mechanical cochlea, the tiny organ responsible for converting acoustic vibrations into electrical signals. (Science Daily)
Words cant describe a fathers love Jun 21, 2009
More than a year ago, Lena switched from using hearing aids to only using her cochlear implant in her right ear ... Lena can hear, thanks to a cochlear implant ... The implant works by bypassing the cochlea and sending the electric signals directly to the auditory nerve. (Gillette News-Record, WY)
Indian scientists bridge the audio divide Jun 18, 2009
Their invention, the Radio Frequency Cochlea, will not only enable a new generation of wireless Internet and communication technologies, but will also serve as a reminder of just how much civilization owes to the inner ear and ancient Asian powers of memory ... human inner ear, or cochlea ... Their invention, which they filed for patent as the Radio Frequency Cochlea (RF Cochlea), will usher in the next generation of wireless Internet, cell phone, radio and TV devices, and inevitably impact a... (Asia Times Online)
Human ear inspires universal radio antenna Jun 16, 2009
"People have tried to construct electronic cochlea before, but this is the first demonstration that imitates the amplification we think happens in the ear to produce a device that works.". 2009 Discovery Channel. (MSNBC -- Technology)
Indian-Americans engineer radio chip that mimics human ear Jun 6, 2009
WASHINGTON: Indian Americans have engineered a fast, ultra-broadband, low-power radio chip mimicking the inner ear, or cochlea, one that could enable wireless devices to receive cell phone, Internet, radio and TV signals ... "The cochlea quickly gets the big picture of what's going on in the sound spectrum," said Sarpeshkar ... They have also filed for a patent to incorporate the RF cochlea in a universal or software radio architecture that is designed to efficiently process a broad spectrum of... (India Times, India -- Health/Science)
New Radio Chip Mimics Human Ear Jun 4, 2009
Rahul Sarpeshkar, associate professor of electrical engineering and computer science, and his graduate student, Soumyajit Mandal, designed the chip to mimic the inner ear, or cochlea ... "The cochlea quickly gets the big picture of what's going on in the sound spectrum," said Sarpeshkar ... Sarpeshkar and his students describe their new chip, which they have dubbed the "radio frequency (RF) cochlea," in a paper to be published in the June issue of the IEEE Journal of Solid-State Circuits. (Science Daily)
Stem cell 'deafness cure' closer Apr 2, 2009
Lead researcher Dr Marcelo Rivolta, said: "The potential of stem cells is very exciting. We have now an experimental system to study genes and drugs in a human context. "Moreover, these cells would help us to develop the technologies needed to deliver them into damaged tissues, such as the cochlea, in order to restore the different cell types. Is this the ultimate upgrade for the iPod generation. (BBC News -- Health)
New Stem Cell Therapy May Lead To Treatment For Deafness Mar 24, 2009
A new study led by Dr. Marcelo N. Rivolta of the University of Sheffield has successfully isolated human auditory stem cells from fetal cochleae (the auditory portion of the inner ear) and found they had the capacity to differentiate into sensory hair cells and neurons. The researchers painstakingly dissected and cultured cochlear cells from 9- to 11-week-old human fetuses ... "The results are the first in vitro renewable stem cell system derived from the human auditory organ and have the... (Science Daily)
Evaluation of Hearing Loss and Deaf... Mar 15, 2009
The human ear is divided into an outer ear with an auditory canal and eardrum (tympanic membrane), a middle ear with three small bones (malleus or hammer, incus or anvil, and stapes or stirrup), and an inner with the seashell-like cochlea connected to the central nervous system ... Sensorineural hearing loss is frequently caused by aging, also known as presbycusis, in which the cochlea slowly degenerates ... Otherwise, patients would cope with the hearing impairment in various ways, including... (Suite101.com)
Cochlear First-Half Profit Rises at Fastest in Three Years on Dollar, Euro Feb 10, 2009
Cochlear Profit Rises Most in 3 Years on Currencies (Update1) ... 03 cents a share, a year earlier, Sydney- based Cochlear said today in a statement to the Australian stock exchange ... Cochlear, which generates more than 90 percent of its sales in foreign currencies, booked A$12. (Bloomberg -- Australia & New Zealand)
