Tag: "sound" at medical news
Central nervous system beckons attack in MS-like disease
It may sound
like a case of blame the victim, but researchers at Washington University School of Medicine in St. Louis have shown that cells in the central nervous system can sometimes send out signals that invite hostile immune system attacks. In mice the resear...
New ACC/AHA guidelines released for valvular heart disease
...olves passing a probe into the esophagus and using sound
waves to create real-time pictures of the heart. Further clarification of the use of blood thinners in patients who have undergone heart valve surgery. An update on preventive medical treatment for some heart valve conditions. The guidelines also...
A neural mosaic of tones
...ironment it is important for the brain to separate sound
into its constituent frequencies. That means that particular sound
frequencies best activate certain groups of neurons in the auditory cortex. Scientists have used ele...
Kids who blow bubbles find language is child's play
... to work out which of two Teletubbies pictures the sound
they are hearing goes with. Children who could s...ge. Being able to listen to a new word or a funny sound
and work out which picture it went with also distinguished between children with advanced and not so...
With cochlear implants, earlier use leads to better speech
...age over hearing aids -- the implants provide more sound
information," Nicholas says. "For example, high-frequency sounds are magnified more with cochlear implants, so kids can hear 's' sounds and 'ed' endings better. So they tend to catch on to plurals and verb tenses faster." While studies like this and...
Large-scale cross-platform study of research microarrays uncovers high concordance across platforms
...an emphasized goal during this effort to develop a sound
and consistent framework for cross-platform comparisons. Kuo aimed to provide unbiased results with clear metrics for evaluations of performance, using established analytical techniques, to conduct the experiments for different platforms as simila...
Hearing loss and high-speed dental tools
...inic who were convinced that long-term exposure to sound
from high-speed hand pieces contributed to their h...tional noise exposure. They also have measured the sound
levels of different hand pieces while they're used on patients. "We want to compare the hearing te...
SWAN system to help blind and firefighters navigate environment
... Walker. "One of our challenges has been designing sound
beacons easily understood by the user but that are...r along a path to the destination. The 3-D cues sound
like they are coming from about 1 meter away from the user's body, in whichever direction the user n...
Two-fifths of US adults report experiencing unsafe, wasteful or poorly coordinated health care
...gs, and ensuring that Medicare remains financially sound
long-term. Americans Are Concerned About the Future Schoen and her co-authors note that "health insecurity is moving up the income ladder." The survey found that half of adults with incomes up to $75,000 a year worry they won't get high quality h...
Valve disease study suggests new public health concern, say Mayo Clinic researchers
... An echocardiogram -- a noninvasive test that uses sound
waves to create a moving picture of the heart -- is done to evaluate murmurs or causes of shortness of breath or chest pain or heart failure, and is ideal for detecting or confirming valve diseases, Dr. Nkomo says. Valve diseases are referred to a...
Prevalence of childhood allergies increasing worldwide
... mean annual prevalence to the order of 0.5% might sound
small, such changes could have substantial pubic-health implications, especially since the increases took place most commonly in heavily populated countries." ...
Hormone-replacement therapy hurts hearing, study finds
...n, the team did two sophisticated tests in which a sound
was sent into each woman's ear, and then the echo coming back out was measured. These tests tell scientists how healthy a person's inner ear is, particularly the hair cells that convert noise to electrical signals that the brain interprets as sound. ...
Sound understanding of indoor acoustics could make hearing easier
...or the first time, accurately measures exactly how sound
behaves in 'real-world' situations is now under de...design on more realistic information about the way sound
behaves than has previously been possible. It may also contribute to the development of hearing aids...
Unique laboratory could make pavements more user-friendly
...c different daytime/night-time light conditions. A sound
system that can create realistic ambient noise such as traffic movement, railway announcements etc. As well as studying how accessible and user-friendly a pedestrian environment is for people with different capabilities, the laboratory can be ...
Cardiologist's 'living chip' changes science of disease monitoring
...rovide therapy on the spot, in real time? It may sound
like science fiction, but this concept is moving toward reality at Physiologic Communications LLC, a biotech company founded by University of Rochester Medical Center cardiologist Spencer Rosero, M.D., who specializes in heart rhythm disorders. The c...
Mirrors in the mind: New studies elucidate how the brain reflects onto itself the actions of others
...ally related instances of language and action, and sound
and action, are linked in the brain, and how the brain distinguishes actions perpetrated by "self" and by "other." The studies are reported by three independent research groups: Lisa Aziz-Zadeh (now at USC) and colleagues at the University of Parma, ...
UTSA receives $225,000 National Science Foundation grant to support doctoral students in physics
...for cleaning semiconductor wafers using ultrasonic sound
waves, developing non-invasive diagnostic and therapeutic tools for medical applications and the optical effects of lasers in infrared regions....
Same mortality but higher suicide rate among women with breast implants
...sses such as depression. According to Dr. Brisson, sound
medical practice should encourage surgeons to pay particular attention to the reasons why women want to undergo breast augmentation. "If this reveals problems that cannot be treated with plastic surgery, doctors should refer these patients to mental ...
First evidence that musical training affects brain development in young children
...f neurons (nerve cells) fire in synchrony. When a sound
is heard, the brain processes the information from... an MEG component (N250m) related to attention and sound
discrimination than did the children not taking music lessons. Analysis of the music tasks showed ...
Emotional control circuit of brain's fear response discovered
... an empty street at night and hears a loud banging sound
in the near distance, the amygdala would immediately light up. But instead of always running in the opposite direction from the sound, the rostral cingulate determines if action is needed or not. For example, if it was a car door slamming, the rost...
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