Tag: "hearing" at biology news

HIV Patients May Be at Risk of Heart Problems When Taking Protease Inhibitor Drugs

...iochemical signals within and between cells. After hearing of a case of heart rhythm disturbances in a patient taking protease inhibitors, the researchers looked for evidence of other patients with similar experiences. To do this, they used the U.S. Food and Drug Administration's voluntary drug side-effect d...

Elephants imitate truck noises, other animals

...not appear to imitate particular trucks as she was hearing them, but rather seemed to use generalized truck sounds as the model for her imitation. Calimero, a 23-year-old male African elephant who lived for 18 years with two female Asian elephants in a Swiss zoo, was a nearly perfect mimic for the chirp-lik...

Elephants imitate sounds as a form of social communication

...not appear to imitate particular trucks as she was hearing them, but rather seemed to use generalized truck sounds as the model for her imitation. Calimero, a 23-year-old male African elephant who lived for 18 years with two female Asian elephants in a Swiss zoo, was a nearly perfect mimic for the chirp-lik...

Zebrafish may hold key to understanding human nerve cell development

...a appear essential for 'hair cells'responsible for hearing and balance. Traditionally viewed as supportingact...e normal developmentof nerve cells responsible for hearing and balance, according to newUniversity of Utah research. The study is reported in the January 6,200...

Harmful Bacterium Commonly Found in Poultry May Survive Refrigeration and Frozen Storage Combined

...a appear essential for 'hair cells'responsible for hearing and balance. Traditionally viewed as supportingact...e normal developmentof nerve cells responsible for hearing and balance, according to newUniversity of Utah research. The study is reported in the January 6,200...

GenMAPP 2.0 released

...a appear essential for 'hair cells'responsible for hearing and balance. Traditionally viewed as supportingact...e normal developmentof nerve cells responsible for hearing and balance, according to newUniversity of Utah research. The study is reported in the January 6,200...

Scientists journey to southern Africa to unravel the secret world of elephant communication

... elephants to focus their keen senses of smell and hearing on unfamiliar noises and odors in the air. But O'C... sure the elephants were feeling the calls and not hearing them, microphones were installed above ground so researchers could monitor all low frequency sounds ...

Grasping metaphors: UC San Diego research ties brain area to figures of speech

...ssroads of areas specialized for processing touch, hearing and vision, Ramachandran conjectures, is critical both to conceptual metaphors and to cross-modal abstractions more generally. "While it would be premature to conclude that the angular gyrus is the 'metaphor center' of the human brain, we suggest th...

Researchers make surprise discovery that some neurons can transmit three signals at once

...thin three weeks of birth, or about one week after hearing is fully developed. So, perhaps early auditory exp...ther abnormal hearing, such as partial deafness or hearing dominated by noise, which in humans can affect normal language development, would cause glutamate to...

Researchers Closer To Helping Hearing-Impaired Using Stem Cells

...sing from the inner ears of patients with profound hearing loss. “Sonic hedgehog and retinoic acid are molecules found in embryonic tissues, but not in adult tissues,?said Dr. Hashino. “This suggests that treating marrow-derived stem cells with these molecules before transplantation might greatly enhance th...

UI researcher studies deafness in fruit flies, humans

...t at least one molecular component specialized for hearing function, myosin VIIA, is conserved in these ears.... the molecular and cellular mechanisms involved in hearing in insects and animals, including humans, says Eberl, who is trying to identify the genes responsibl...

Gifts from the sea

...model for research into neurotransmission; certain hearing and balance disorders, including Meniere's disease; and motion sickness and dizziness. Surf clam (Spisula solidissima): Surf clam eggs are popular among scientists studying cell division and the proteins associated with it. Female clams are fertile ...

Why are coyotes getting more aggressive?

...coyotes become more adapted to living near people, hearing or seeing coyotes may become more common," says Gordon Batcheller, a supervising wildlife biologist with the DEC Bureau of Wildlife, and Curtis' primary DEC collaborator on the coyote study. "These increased sightings should not be interpreted as agg...

New Lab Research May Help Those Deafened By Immune System Attack

... or both ears. Some might get part or all of their hearing back if they take steroid medicines, but many are ...f the condition, known as autoimmune sensorineural hearing loss or AISNHL, and help more people get a firm diagnosis of what's causing their mysterious hearing...

Elderly mice yield clues to the process of growing old

... that lead to such things as hair and weight loss, hearing and vision impairment, loss of muscle mass, weaken...ad to strategies to restore some functions such as hearing by protecting mitochondrial DNA from naturally occurring mutations. Using mice genetically altered ...

How fish hear and make sounds at same time

...e neurons do may offer insights into what leads to hearing deficits." Only a few fish vocalize, but male plainfin midshipman fish hum to attract a mate or grunt when stressed. When courting, the midshipman hums continuously for up to two hours to attract a female, who may deposit up to 200 eggs, which the m...

Volunteers sought for avian flu vaccine study

.... People 65 years or older who are interested in hearing more about the avian flu vaccine study, may call the Avian Influenza Hotline at 615-322-8740. ...

Biotechnology's newest chemical tool

...example. The other relates to taste, touch, sound, hearing and sight that tell us about the external world. CYBERHAND includes sensors for tension, force, joint angle, end stroke and contact in the final prototype. This prototype uses Longitudinal IntraFascicular Electrodes (LIFEs) to connect the hand to th...

Gene controls whether fear is a factor

...freezing immediately after a shock and later after hearing the tone, knockout mice reacted less strongly, they found, suggesting that they had an impaired ability to learn fear. In other tests, the mutant mice also showed less instinctive fear of open spaces, venturing out into environments they would usual...

Sooner is better with cochlear implants, Stanford scientist shows

...ar implants were able to meld their newly acquired hearing capability with their ability to read lips. In oth... don't appreciate that speech is a product of both hearing and vision, explained Knudsen, who is also chair of Stanford's Department of Neurobiology. The brain...

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