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Tag: "game" at biology news

US control strategies may make flu epidemics worse, UCLA study shows

... The model Blower's team developed is inspired by game theory, used in economics to predict how non-communicating, selfish individuals reach a collective behavior with respect to a common dilemma by adapting to what they think are other people's decisions. The group modeled each individual's strategy for...

Action video games sharpen vision 20 percent

...ophthalmology clinics. In essence, playing video game improves your bottom line on a standard eye chart. "Action video game play changes the way our brains process visual information," says Daphne Bavelier, professor of brai...

New species of snapper discovered in Brazil

A popular game fish mistaken by scientists for a dog snapper is actually a new species discovered among the reefs of the Abrolhos region of the South Atlantic Ocean. The international science journal Zootaxa announced the discovery of Lutjanus alexandrei, a new sn...

Scientists find method to pick noncompetitive animals, improve production

... food sources, such as cannibalistic shellfish and game fish." ...

Racing neurons control whether we stop or go

In the children’s game "red light green light," winners are able to stop, and take off running again, more quickly than their comrades. New research reveals that a similar race goes on in our brains, with impulse control being the big winner. "The research provides new in...

Surgeons with video game skill appear to perform better in simulated surgery skills course

...lving 12 surgeons and 21 surgical residents, video game skill was correlated with laparoscopic surgery ski... three hours per week at the height of their video game playing. "Surgeons who had played video games in the past for more than three hours per week made 3...

MIT device draws cells close -- but not too close -- together

On a popular children's game participants stand as close as possible without touching. But on a microscopic level, coaxing cells to be very, very close without actually touching one another has been among the most frustrating challenges for cell biologists. Now MIT researchers ...

Scientists crack genetic secrets of human egg

...computer analysis began. In a highly sophisticated game of match, every gene in the egg that was found in other tissues was eliminated, so that only unique genes remained. Cibelli said that the team identified 5,331 human genes that are overexpressed in the egg. Of those, 1,430 are mysteries - their fun...

Hopkins researchers discover how brain protein might control memory

...re, the stronger the memory. Like the childhood game called Telephone, where one person taps her neighbor and whispers a message that is passed on in similar fashion to the next person in line, nerve cells connect and "talk" to each other by relaying messages - usually by passing small chemicals - from...

Teenager moves video icons just by imagination

Now, a St. Louis-area teenage boy and a computer game have gone hands-off, thanks to a unique experiment...rtment of Health in Albany) which involves a video game that is linked to the ECoG grid. They then asked the boy to do various motor and speech tasks, movin...

Distinguishing friend from foe in the battle against cancer

...dy, however, suggests that taking NF-kB out of the game would make rapamycin less "friendly." "A major problem of chemotherapy is that sooner or later cancer cells develop resistance, which requires higher and higher doses of chemotherapeutics," observes Verma, who is also an American Cancer Society prof...

A reason why video games are hard to give up

...nt satisfaction that promotes a sense of presence, game enjoyment, and an intention for future play," the ...rs found. Though different types of games and game environments were studied, Ryan points out that "not all video games are created equal" in their abi...

Researchers offer clues to how leaves patterns are formed

...our advantage. Once we know all the players in the game we will be able to say, we want more leaves on this, more branches on this one or fewer flowers on this plant." ...

Everything in its place: Researchers identify brain cells used to categorize images

...nts, monkeys were taught to play a simple computer game in which they grouped members of a set of visual motion patterns into one of two categories. Freedman and senior author John Assad, PhD, HMS associate professor of neurobiology, then monitored the activity of neurons in two interconnected brain areas...

Scientists force viruses to evolve as better delivery vehicles for gene therapy

... have evolved together over millions of years in a game of one-upmanship that, often as not, left humans sick or worse. Now, a University of California, Berkeley, researcher has shown that viruses - in this case, a benign one - can be forced to evolve in ways to benefit humans. The adeno-associated viru...

Scientists discover dozens of new species in 'Lost World' of western New Guinea

...vast jungle tract. These people told the team that game was hunted in abundance within an hour's walk of the village. Such abundance of food and other resources means the mountain range's interior ?more than 300,000 hectares of old growth tropical forest ?remains untouched by humans, and the entire Foja...

Cholesterol gets 'thumbs up' for role in digit development

...at work here, named Sonic hedgehog after the video game character, was discovered in the early 1990s and shown to have important roles in patterning the developing embryo, including proper digit patterning. Chiang led the early studies showing that mice without Sonic hedgehog developed only a single dig...

'Computer-chemistry' yields new insight into a puzzle of cell division

...eir active sites. "But it was literally a guessing game trying to find which residues might be important in this interaction," he said. "Somehow these two large complicated molecules had to also interact specifically somewhere other than the site where the chemistry occurs." Biochemists traditionally an...

Chernobyl: The true scale of the accident

...uct, such as consumption of mushrooms, berries and game from areas still designated as highly contaminated...ng with changes in hunting to avoid consumption of game meat where seasonal levels of radiocaesium may be high. Low income levels in some areas cause local ...

Researchers use brain scans to predict behavior

...ology. Eleven seconds before volunteers played the game -- discriminating the direction of a field of moving dots -- scientists showed them a hint: an arrow pointing to where the moving dots were likely to appear. The dots were visible only for one-fifth of a second and therefore were easy to miss if a su...

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