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Tag: "abilities" at biology news

Dual-imaging technique useful before -- and during -- brain surgery

...into the operating room can improve the functional abilities of patients who undergo brain surgery. Neuroradiologist James Leach, MD, and his UC colleagues are among the first in the United States to combine functional magnetic resonance imaging (MRI) and “diffusion tensor tractography” data to outline impor...

Mice with a migraine show signs of brain damage

...that with repeated migraines, a person’s cognitive abilities decrease. But actually doing damage to the brain ?that is a surprise.? Deborah Friedman, M.D., a neurologist who was not involved in the study, says that a few studies have found that people who get auras with their migraines are at increased risk ...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...cestors faced, and even to reconstruct the hearing abilities of extinct animals such as dinosaurs and early mammals. According to the University of Maryland's Robert Dooling ( dooling@psyc.umd.edu ), the inner ears of archosaurs (birds, crocodilians, and extinct dinosaurs) have highly similar structures. The...

Corals that can fight global warming may one day help fragile reefs

... lethal microorganisms as temperatures rise. These abilities may someday be harnessed to help protect other fragile coral reefs, Harvell said. The head of the Coral Disease Working Group of the Global Environmental Facility Coral Reef Targeted Research Program, Harvell describes these latest findings in deta...

Batten down the hatches against HIV

...sport system: carbon nanotubes are known for their abilities to be absorbed by cells and to smuggle other molecules in at the same time. The researchers attached phospholipids—molecules from which cell membranes are also made—to chains of polyethylene glycol. The phospholipids nestle securely onto the outer wa...

Lead-'scrubbing' drug may also improve muscle function in lead-exposed children

...ave investigated whether it can improve neuromotor abilities in this at-risk population. Bhattacharya and his team wanted to know if succimer chelation therapy could eliminate or minimize lead-associated muscle-function impairments in children exposed to high levels of lead early in life. The team ident...

Reversing cancer cells to normal cells

...ells, the aggressive melanoma cell gained enhanced abilities to migrate, invade and metastasize while virtually undetected by the immune system. Now, in the American Association of Anatomists?plenary lecture and symposium, at Experimental Biology 2007 in Washington, DC, Dr. Hendrix describes new research tha...

'The eyes have it' -- Autism research yields surprising results

...ictures, gives a much more accurate measure of the abilities of autistic children. Researchers hope that by ...tudy indicates that a more accurate measure of the abilities of those with autism can be obtained through the use of sophisticated digital imaging techniques wit...

Prion disease treatable if caught early

...rrowing behavior. In both cases, deficits in those abilities appeared early in the disease. Also, studies of the animals?brain tissue revealed a parallel impairment of signaling among brain cells. However, when the researchers manipulated the animals to deplete their brains of the prion protein, their memor...

Neuron cell stickiness may hold key to evolution of the human brain

...esults of our study make sense since our cognitive abilities are clearly one of the most distinct of all human attributes and we would expect these abilities to result from human-specific aspects of neuronal development. Our results also suggest that analys...

Study illuminates how the plague bacteria causes disease

...cks host cells' capacity to change shape and move, abilities important for cells of the immune system to track down and "eat" foreign invaders, the researchers explained. The discovery marks the second way in which this protein, called YpkA, compromises the immune system. Earlier studies suggested that anoth...

Poor athletic performance linked to vitamin deficiency

...dulthood they can have seriously jeopardized their abilities and their long-term health." Current national B-vitamin recommendations for active individuals may be inadequate, and athletes who follow the recommended daily allowances set by the U.S. government may be receiving lower amounts of nutrients than t...

A natural chemical found in strawberries boosts memory in healthy mice

...es found in many plants, for their neuroprotective abilities in tissue culture models of neurodegenerative disease. Maher found that some of those compounds, including fisetin, induced differentiation or maturation of neural cells. Maher explains, "That suggested to us that these compounds might be particul...

Brain protein improves stroke symptoms in rats, even when injected after 3 days

...ter in an exercise designed to test their physical abilities and coordination than rats that had been treated with placebo. ...

Batfish to the rescue!

...rove lifesavers for the reef, but whose habits and abilities we as yet know nothing about....

Humpback whales have brain cells also found in humans

... may relate to the extensive behavioral and social abilities of this mammal. Although brain to body mass ratio,...thors state. "It is thus likely that some of these abilities are related to comparable histologic complexity in brain organization in cetaceans and in hominids."...

A giant among minnows: Giant danio can keep growing

...mmon genetically appear to have markedly different abilities to grow, a finding that could provide a new way to research such disparate areas as muscle wasting disease and fish farming, a new study shows. The study in the November issue of the American Journal of Physiology-Regulatory, Integrative and Compara...

A transplant in time

...eins, say by transplanting healthy tissue with the abilities that are lacking? Prof. Yair Reisner and Ph.D. student Anna Aronovich of the Weizmann Institute's Immunology Department, together with colleagues, showed, in research recently published in the Proceedings of the National Academy of Sciences (PNAS), ...

What animals can tell us about hemorrhage, organ transplants and aging

.... The ground squirrel's remarkable physiological abilities change with the seasons, Carey said. The animal's liver and heart remain viable outside the body for much longer during the hibernation season and the squirrel can tolerate a much greater loss of blood during this time. And Carey has found that this ...

Master planners in brain may coordinate other areas' roles in cognitive tasks

...ack. Different parts of the brain have specialized abilities that can contribute in various ways to completion ... have to be lined up to play their part when their abilities are needed. Other neuroscientists previously have implicated the cingulate in a variety of speciali...

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