Tag: "sounds" at biology news
Life Among Dead Brain Cells: Discovery Could Help Improve Memory Capacity Of Stroke Victims
...f the brain, you're unable to remember new sights, sounds
and otherexperiences. You might remember your mother and father or something you learnedin the eighth grade, but if you were taught a new way through town, you'd beunable to learn the new route." In the future, say researchers, it may be pos...
Largest Acoustics Meeting In History Expected
...sess that most human musicians would envy? Can the sounds
of a person's voice reveal warning signs of suicid...ened the chamber. Lauterborn will present musical sounds
from such devices and discuss novel musical instruments that may be possible with this approach--inc...
How Can You Tell Whether Corn Is Fungus-Ridden?
...crophone. "Clean kernels absorb light and give off sounds
atspecific wavelengths," Greene explains. "But fun...ture." These changes mean infected kernels produce sounds
atslightly different wavelengths. The researchers used a technique known as Fourier Transfo...
UCSF-Led Team Offers New Insight Into Neurological Basis Of Dyslexia
... thebrain that processes brief, rapidly successive sounds
is functionally abnormalin adults with the reading...step in the brain'srepresentation of normal speech sounds
and its creation of speech andlanguage-reception abilities. The process ultimately culminates with ...
Antbird capable of increasing testosterone level when threatened
... - or even by a prolongedplayback of tape-recorded sounds
made by potential enemies - male antbirdsincreased their testosterone and became more aggressive, even in this sexuallyinactive period when their gonads remained entirely regressed. "It makes sense for birds to maintain a baseline level of aggression...
Stanford launches interdisciplinary initiative in the biological sciences
...re cross-pollination ofthe disciplines. "If it all sounds
a little vague, that is because we are trying to bringtogether people who wouldn't otherwise talk to each other, and encourage them tocollaborate on projects that wouldn't otherwise be done," says Charles Kruger,dean of research. "So it is impossible...
For DNA, it's all about fitting in
...elsewhere in the universe. Whilesuch a development sounds
like the stuff of science fiction, Kool?s workprovides one step in that direction. He has already developed several syntheticmolecules that can squeeze into natural DNA, and he has overturned decades ofdogma by showing that hydrogen bonds are not as ...
Biomedical engineers working to help kids with special needs
...eachers and students to read, record and play back sounds
by inserting theappropriate index card into the device. "The graduate students learn a lot, and I learn a lot too," Goldbergsaid. "Each project involves components I've never seen before." Ava Ward, Travis' mother, said the "tal...
Scientists create smart mouse
...bility to solve maze tasks, learn from objects and sounds
in their environmentand to retain that knowledge. ...with diverse types of information, such as sights, sounds
and touch. The resultgives scientists confirmation of a long-standing theory about how we learn and...
Communications towers killing birds
...eir alarm calls, the collisions," Evans said, "the sounds
ofducks falling to the ground." Hitchcock, who was said to prefer birds over people, would have beenappalled....
Counting elephants by monitoring sounds
...health of forest elephants by eavesdropping on the sounds
they make. New monitoring procedures will be tested in the Central African Republic,beginning in March 2000, and in Ghana in May 2000 before expanding to otherregions of the continent. "Acoustic monitoring may give us crucial information on the eleph...
When sperm whales talk, UW researcher listens
...ows him to identify individual sperm whales by the sounds
they emit. The technology, which performed with n...whales are extremely noisy. "They emit short, loud sounds
called clicks about once per second," he said, so researchers have a continuous string of sounds
Study finds no evidence hormone benefits autism
...er they've been proven effective. But if a therapy sounds
too good to be true, it usually is. A new study appearing in the Dec. 9 issue of the New England Journal of Medicine offers a prime example. Contrary to what early publicity suggested, North Carolina researchers found no evidence that a single dos...
Feel full on fewer calories
... feel full after meals -- and still lose weight -- sounds
like having your cake and eating it too. But "feeling full on fewer calories" is exactly what is promised by a new approach to eating based on research conducted by Dr. Barbara Rolls, who holds Penn State's Guthrie Chair of Nutrition in the College ...
Most highly endowed promotion prize for fourteen scientists and scholars
...line of linguistics concerned with the function of sounds
in a language system. She has studied and further developed theories of changes in language. In the field of phonetics she has worked on acoustic characteristics for phonological characteristics and on ways of using phonological characteristics in au...
Research highlights from Pacific Northwest National Laboratory
off on cracks A cracked bolt may not faze Tim "The Tool Man" Taylor as he does home improvements, but it can debilitate an industrial or nuclear plant if undetected. A new inspection device developed at the Department of Energy's Pacific Northwest...
Rate of sound impulses markedly affects ability to perceive volume
...n cells to single isolated tones don't predict how sounds
in the real world are processed.In the January iss...ing impairments to accurately extract and localize sounds
in the environment....
Brain neurochemicals, not gender, tell a female to act like a female
...ecordings sound virtually identical to the natural sounds
of free-swimming males and females.) Next the biologists tested the effects of the neurochemicals by putting small amounts of each chemical into the basal forebrain, or by treating the fish with a chemical called an antagonist that blocks the anim...
Northwestern researchers clone gene responsible for inner ear motor
...know in the human body." Human beings can hear sounds
whose frequencies range from a rumble to a squeak, from approximately 20 to 20,000 Hertz (cycles per second). Small mammals, mice for example, can hear up to 60,000 Hz. That means that a high squeak might cause the outer hair cells to alter their len...
Researcher proves fetuses hears at 30 weeks
...and motor responses at about 30 weeks. "If we play sounds
loudly - really loud - the 30-week-old fetuses will move to it, but we don't get any response prior to 30 weeks," says Dr. Kisilevsky. "What we still don't know is what they hear, or how clearly they distinguish various sounds." Ultimately, says D...
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