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Tag: "paying" at biology news

Bird Brains Show How Trial and Error May Contribute to Learning

...or performance-based learning. "That all requires paying attention to how we're doing, experimenting with different things, and gradually getting better," said senior author Michael Brainard, assistant professor of physiology at UCSF, whose lab is funded in part by a grant from HHMI. "It makes sense that o...

Medical whistleblowers speak out

...n account into which pharmaceutical companies were paying money that was being accessed by state officials. These officials "were given unrestricted educational grants that were deposited into an off-the-books account - unregistered, unmonitored, literally operated out of a drawer." The officials, he said, ...

Shift of weather patterns necessitates rethinking of reforestation methods

...t seedlings do survive, landowners find themselves paying for costly thinnings, Taylor said. Taylor's research is being conducted near the Texas A&M University Research and Extension Center at Overton. The Bruce McMillan Jr. Foundation, a perpetual trust dedicated to agricultural science and education,...

Innovative collaboration brings Arctic science into the classroom

... we've developed with the community of Zhigansk is paying huge dividends scientifically, and it also helping us to get our science to the public." Holmes envisions a network of schools in the Russian, Canadian, and Alaskan Arctic, participating in an international research effort and at the same time learni...

Looks matter to female barn swallows

...first nests. "The study shows that the females are paying close attention to these signals and that they respond quickly to changes in their mate's appearance," said Safran. The reddish breast and belly feathers indicate a male's quality, such as his health, status or ability to raise young, Safran specul...

'Shifty-eyed' Monkeys Offer Window Into Brain's Social Reflexes

...direction or another actually changes where you're paying attention, then you should shift your gaze faster ...r attention where another individual is looking or paying attention.' Such deficits not only cause problems for autistic children in everyday social interacti...

On a wing and a prayer - Alaska researchers seek clues to bird flu

...vian influenza program. "Before I came nobody was paying attention to the extensive overlap between the Old World and New World migration systems as a disease pathway," said Winker, curator of birds at the UA Museum of the North and an associate professor of biology at UAF. "Our ability to combine studies...

Researchers use brain scans to predict behavior

...d therefore were easy to miss if a subject was not paying attention to the right area. After the hint and prior to the appearance of the moving dots, researchers scanned the volunteers with functional brain imaging, which reveals increases in blood flow to different brain areas indicative of increased act...

Tropical dry forests receive international recognition

...f conserving tropical dry forest land and in turn, paying the land owners environmental services fees in exchange for a promise the land won't be used for commercial development. Costa Rica is a leader in this strategy, having paid more than US$175 million in environmental services fees since the late 1990'...

Study shows AIDS drugs cost-effective, care underfunded

...cks to HAART treatment, "the happy paradox is that paying high costs for antiretrovirals decreases overall cost of care," said senior author Michael Saag, MD. The HAART costs were about the same for patients who were sicker ?that is, who had lower CD4 cell counts ?as for healthier patients with higher CD4 c...

Marine mammals are on the frontline of failing ocean health

...d from the University of California at Davis. "By paying attention to them, it will tell us about our own health and the links between our health and that of the environment." Cats and Otters: A Deadly Link to Land? When Pat Conrad first started studying the death of otters on the California coast, she ...

'Executive' monkeys influenced by other executives, not subordinates

...king individual, so you want to know where they're paying attention." In the experiments, Shepherd showed macaque monkeys images of monkeys known to be of higher or lower status than themselves. The images depicted the monkeys looking left or right. Immediately after each image, a target was flashed onto ...

Understanding the actions of others requires the frontal cortex

...participants to determine the weight of the box by paying close attention to the actions of the actor. Normally, participants can succeed in this task without much trouble, but performance was significantly impaired if the left frontal cortex was stimulated while the videos were shown. This result indicates...

Memory loss affects more of the brain than previously thought

...ieval). "These findings suggest that we should be paying closer attention to frontal lobe function in detecting people at risk for AD and may also point to new preventive strategies," said co-principal investigator P. Murali Doraiswamy, M.D., chief of the Division of Biological Psychiatry in the Department...

Nicotine exposure during development leads to hearing problems

...ctions. Researchers believe that when people are paying attention to something, such as an important sound, acetylcholine is released into the brain. It then interacts with the nicotinic-acetylcholine receptor and, the UCI study showed, thereby enhances sensitivity to that sound. If that receptor is damag...

New study calculates millions of years saved in lives of AIDS patients

...d related activities. Is this enormous expenditure paying off? A study published in the July 1 issue of The Journal of Infectious Diseases, now available online, indicates that it is--and more so than previously thought. The study, by Rochelle P. Walensky, MD, MPH, Kenneth Freedberg , MD, MSc and colleague...

Paying attention sets off symphony of cell synchronization

...stimulus itself was stronger. That would mean that paying attention might make something appear more intense, and possibly distort its actual appearance. In the Northwestern study, EEG measures of brain activity were used to show precisely how attention alters brain activity. The team of psychologists and...

Reef warns of sea level rise

...current phase," he said. "We should certainly be paying attention to what the corals are telling us." ...

New evidence of 'human' culture among primates

...keys were seen banging the stones together without paying him any attention at all - suggesting that the younger monkeys were learning the skill from their more experienced elders. Captive monkeys released into the area that joined the study group also appeared to be learning to bang stones from the others....

Uganda's mountain gorillas increase in number

...ed foreign revenue for Uganda annually by bringing paying travelers into the company of mountain gorillas. Four of the 30 family groups are habituated for tourism, or conditioned to tolerate the presence of humans for short durations. The other mountain gorilla stronghold is located just south of Bwindi...

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