Current Echolocation News and Events | Page 6

Current Echolocation News and Events, Echolocation News Articles.
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A 'private bandwidth' for communication in bats: Evidence from insular horseshoe bats
Do bats use their ultrasonic echolocation calls to recognise their own species? A new study in the Journal of Biogeography by Danilo Russo and colleagues suggests that this is certainly the case for horseshoe bats. (2007-08-13)

Eavesdropping fringe-lipped bats spread culture through sound
Like a diner ordering a dessert based solely on the (2006-06-19)

Ecologists home in on how sperm whales find their prey
Ecologists have at last got a view of sperm whales' behaviour during their long, deep dives, thanks to the use of recently developed electronic (2006-05-22)

Yale researchers find environmental toxins disruptive to hearing in mammals
Yale School of Medicine researchers have new data showing chloride ions are critical to hearing in mammals, which builds on previous research showing a chemical used to keep barnacles off boats might disrupt the balance of these ions in ear cells. (2006-04-11)

New research shows bats have complex skills to deal with 'clutter'
Recordings of sonar vocalizations synchronized to high speed video images reveal adaptive changes in vocal-motor behavior of echolocating bats as they catch insects in varying vegetation. (2006-03-06)

Food talks at Ultrasound 2006 International Conference
Leeds researcher Professor Malcolm Povey will explain how the sound of food is as important as taste in helping us choose our favourite foods in a presentation to the International Ultrasound 2006 conference tomorrow in Leeds (UK). (2006-02-07)

Bats use touch receptors on wings to fly, catch prey, study finds
Bats have an (2005-12-15)

Specialized neurons allow the brain to focus on novel sounds
A team of Spanish and American neuroscientists has discovered neurons in the mammalian brainstem that focus exclusively on new, novel sounds, helping humans and other animals ignore ongoing, predictable sounds. (2005-12-01)

Swimming with dolphins can alleviate depression
Swimming with dolphins is an effective treatment for mild to moderate depression, say researchers in this week's BMJ. Their findings support the theory of biophilia, which shows how human health and wellbeing are dependent on our relationships with the natural environment. (2005-11-24)

Bat-bot boosts sonar research
A robotic bat head that can emit and detect ultrasound in the band of frequencies used by the world's bats will give echolocation research a huge boost. (2005-08-22)

Molecular biology fills gaps in knowledge of bat evolution
One in five mammals living on Earth is a bat, yet their evolutionary history is largely unknown because of a limited fossil record and conflicting or incomplete theories about their origins and divergence. (2005-02-02)

Molecular biology fills gaps in knowledge of bat evolution
One in five mammals living on Earth is a bat, yet their evolutionary history is largely unknown because of a limited fossil record and conflicting or incomplete theories about their origins and divergence. Now, a research team including UC Riverside Biology Professor Mark Springer, has published a paper in the Jan. 28 issue of the journal Science that uses molecular biology and the fossil data to fill in many of the gaps. (2005-01-27)

Rogue finger gene got bats airborne
There has never been an explanation for the sudden appearance of bats some 50 million years ago. No fossil records of any intermediate forms have ever been found. Now, a US researcher believes a change to a single gene in the ancestors of bats, caused the rapid growth of extended digits, allowing the fast-track evolution to flight. (2004-11-10)

Changes to insect-seeking calls of horseshoe bats may drive new species formation
A new study by Tigga Kingston, a research associate in the Department of Geography at Boston University, and Stephen Rossiter, a National Environment Research Council research fellow in the School of Biological Sciences at Queen Mary, University of London, finds that a species of bat in Southeast Asia is diverging not because of geographical barriers, but because of acoustic differences in the calls its members make to locate the insects they eat. (2004-06-11)

Media influences how we recall our dreams
In the 1950s, dream researchers commonly thought that people dreamt in black-and-white, although both earlier and later treatments of dreaming assert that dreams have color. UC Riverside philosophy professor Eric Schwitzgebel contends that we know less than we think about the workings of our own mind. He said people reporting black and white dreams in the middle of the 20th Century may have been overly influenced by the black and white media images of the day in television and film. (2002-12-20)

Bat sonar and anti-submarine warfare
Dolphins do it. Big brown bats do it. And sometime soon, the Office of Naval Research hopes its researchers will be able to do it too. Echolocation, that is, and turning the processing of such signals into a system that will enable us to mimic a flying bat's ability to detect and classify a flying beetle in three dimensions at thirty feet. (2002-04-24)

Echolocating bats, with their highly specialized auditory behaviors, have provided some of the clearest examples of structure/function relationships in the auditory cortex. A research study published in the February 2002 Journal of Neurophysiology points out differences and similarities between humans and bats in processing auditory information. (2002-02-12)

Meet 'Henry and Nick,' seals featured in Science study
A new experiment shows how harbor seals use their hyper- sensitive whiskers to detect hydrodynamic fish trails, a unique way to track prey in murky waters. (2001-07-05)

How Little Gray Cells Process Sound: They're Really A Series Of Computers
Hearing is far more complicated than once imagined. But neuroscientists are beginning to unravel the ways operate as tiny computers to help humans and creatures such as bats, birds and gerbils distinguish what a sound is and where it is coming from. Neuroscientists have found that the brain doesn't funciton as one big computer, but rather as a sereis of small computers working in series and in parallel. (1997-11-21)

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