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Tag: "hear" at biology news

Art and music for the birds

... Green,” and Led Zepplin’s “Kasmir.” They may also hear songs about the winged life like “Marching Jaybird” by Etta Baker, “Birds” by Neil Young, and “I’m a Cuckoo” by Belle and Sebastian. “If we’re going to give birds music, we might as well give them what we consider to be our masterpieces. But the on...

Exploring the dark matter of the genome

...tructure of genomes affects cellular processes. We hear too much about the 'post-genomic era' -- it's underappreciated that we don't understand the genome yet." Celniker agrees. "What we would like to see is a complete sequence of the fruit fly from telomere to telomere" -- that is, from one end of th...

Eavesdropping comes naturally to young song sparrows

...irst phase occurs in their first summer, when they hear and memorize songs sung by adult birds. The following spring, when the young birds are establishing their own territory, they modify and prune their repertoire so their songs are more similar to their neighbors’. A song sparrow’s repertoire crystal...

A frown or a smile? Children with autism can't discern

...n we have a conversation with someone, we not only hear what they say, we see what they say. Eyes can smol...show that children with autism can’t do this. They hear and they see, of course, but the areas of the brain that normally respond to such visual cues simply...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...htweight species with a short basilar membrane can hear higher frequencies than larger species with a long...earchers suggest that large dinosaurs could mainly hear low frequencies, with a high frequency hearing limit below 3 kHz. For comparison, this is around th...

Study shows isolation of stem cells may lead to a treatment for hearing loss

...pecialized neuroepithelial cells that enable us to hear a violin or a whisper. These hair cells differ in...et in motion by specific frequencies of sound. We hear this sound because this motion induces the hair cell to release an electrical impulse which passes a...

Study shows hope for early diagnosis of Alzheimer's

...?to collect the EEG signals, during which patients hear a series of low- and high-frequency tones as well as some novel sounds. Patients were asked to respond by pressing a button every time they heard the high frequency tone, also known as the “oddball?tone, which generates ERPs in the EEG. Generally, in...

Army research mission focused on autism

...ocess where scientists researching the disease can hear the issues of those persons affected by the disease, the scientific community and the advocacy community can partner to find and fund the best research." The process of translating Congressionally appropriated dollars into meaningful and productiv...

Bacterial response to oxidation studied as toxin barometer

...sium,?said Love. And Rzigalinski was pleased to hear it. Perhaps the GGKE response could be used to predict potential damage to animal and human cells. “But bacteria are different from mammalian cells,?said Rzigalinski, who is focused on neuroscience, particularly brain injury and aging, and nanotechno...

Train your brain to hear your friends at a party

...oking for the region of the brain that helps us to hear someone in a noisy place, such as a party or bar, and is responsible for "training" the brain to hear better in these situations. Not being able to hear a person's voice in a noisy room and follow conv...

Slow brain waves play key role in coordinating complex activity

... a question involves areas all over the brain that hear the sound, analyze it, extract the relevant information, formulate a response, and then coordinate your lips and mouth to speak. We have no idea how information moves between these areas." By measuring electrical activity in the brains of pre-surgic...

For crickets, parasitic flies can stop the music

...pring females are extremely eager. The minute they hear a male singing, they race over to the speaker," Brockmann said. "The fall females are much more hesitant. They take longer and seem reluctant to approach the speaker." Brockmann said although scientists have examined similar phenomena in other spe...

Mirrors in the mind: New studies elucidate how the brain reflects onto itself the actions of others

...when monkeys perform certain actions and when they hear the same actions being performed. In the new work, the researchers report new evidence for an auditory mirror system existing in humans as well. When subjects were presented with sounds corresponding to mouth actions (such as crunching candy, kissi...

To elude bats, a moth keeps its hearing in tune

It has been known for over 50 years that moths can hear the ultrasonic hunting calls of their nocturnal predator, the bat. Moth ears are among the simplest in the insect world—they have only two or four vibration-sensitive neurons attached to a small eardrum. Previously, it was thought that these ears wer...

St. Jude finds clues to hearing loss from chemotherapy

...f mutations that cause them to lose the ability to hear high-frequency sounds, according to Jian Zuo, Ph.D., associate member of the St. Jude Department of Developmental Neurobiology. Zuo is senior author of a report on this work that appears in the October issue of Hearing Research. These models will he...

Study challenges myth that sex late in pregnancy hastens birth

...exual activity at term. "Patients may continue to hear the 'old wives' tale' that intercourse will hasten...labor, but according to this data, they should not hear it from the medical community," concludes Dr. Jonathan Schaffir, an obstetrician at OSU Medical Cent...

Researcher gives hard thoughts on soft inheritance

...altering inheritance. "When most biologists hear the name Lamarck or the term soft inheritance, the reaction is, 'Oh my God, here we go again'," Richards says. "But from a molecular biology point of view there is a mechanism to do soft inheritance, and epigenetic inheritance can be construed as a ...

Agriculture and tropical conservation: rethinking old ideas

...ropical areas, they're usually surprised when they hear that conservationists think that they're the enemies of conservation," said Vandermeer, who is the Margaret Davis Collegiate Professor of Ecology and Evolutionary Biology. "They love their farms and all the plants and animals in the area, and they se...

Researchers show how brain decodes complex smells

...e brain has to listen to each musician's melody to hear a symphony. Humans may rely on the same smell decoding system, because mice and men have similar brain structures for scent, including an olfactory bulb, the researchers said. "We wanted to understand how the brain puts together scent signals to ma...

With cochlear implants, earlier use leads to better speech

...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 others favor early implantation, the decision for or against cochlear implantation is frequently put off, Nicholas indicate...

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