Tag: "computer" at medical news
UVa researchers show that a natural carbohydrate can help lower blood sugar
...wn and structural biologist John Bushweller. Using computer
modeling, they docked the INS2 compound onto an enzyme in cells called PP2C. If INS2 could activate PP2C, it would trigger other events in cells activated by insulin. "INS2 was added and the purified PP2C enzyme was activated," Brautigan said. "When...
Changes in brain, not age, determine one's ability to focus on task
...ch they viewed a line of five keyboard arrows on a computer
screen and reacted by pushing one of four buttons that corresponded with the direction the center arrow was pointing. Sometimes the participants would be distracted by changes in direction by arrows not in the center. The experiment allowed researche...
Out of sight, out of mind? Not necessarily
...normal visual pathway. The volunteers looked at a computer
screen, and during their momentary blindness, eith...n forced to guess which line had appeared on their computer
screen, the participants gave the correct answer 75 percent of the time. When the participants had ...
Monkey math machinery is like humans'
...rrays of randomized numbers of dots displayed on a computer
touch screen at randomized positions. However, instead of using language to instruct the monkeys to "choose larger" or "choose smaller" the researchers made the background blue if the monkeys were to choose the larger number and red if the smaller nu...
Research unveils new, reliable approach to drug delivery for cancer patients
...he next decade. Using atomic force microscopy and computer
simulations, researchers from the Lawrence Livermore National Laboratory and the UC Davis Cancer Center have unveiled a new and reliable technique to characterize the binding interaction of multivalent molecules designed for targeted drug delivery in...
Sensors, a smart dose of medicine for cancer treatment
...ion. "IMRT prescriptions are based on very complex computer
simulations, so it is important to validate these simulations by verifying exactly how much radiation is reaching the patient and where it is landing," says Aleksandar Jaksic, INVORAD project coordinator at Ireland's Tyndall National Institute. INVOR...
Johns Hopkins celebrates its first century of neuroscience
...n tumors and other problems until the invention of computer
aided tomography (CAT) in 1972. As Dandy was work...mputational Neuroscience are using engineering and computer
science to model certain capabilities of the brain, like the processes that allow us to reach for an...
Penn researchers utilize MRI for early diagnosis of schizophrenia
...n that is not obvious to the eye; one can think of computer
readings as computational scanners. It's a second level that says 'analyze this image and produce another image that highlights subtle abnormalities in the brain.' This is fundamentally new information now that we can use for a larger spectrum of dis...
Mapping alcohol brain damage
...mple applied to a microscope slide, the microarray computer
produces about 50,000 coloured spots showing which genes are expressed or switched on in the sample. "What we're trying to find out is, what's different in the superior frontal cortex [front of brain] when you compare alcoholics with controls, that'...
Preventing another Vioxx
...tion about the patients that could be entered in a computer
model to calculate their chance of dying and repor... it much easier to predict individual risk using a computer
or personal digital assistant....
Heart mapping technique safely guides catheter repair of arrhythmia
...superimposing CT and MRI scans. Using an upgraded computer
software program known as electro-anatomic mapping, the scientists are able to color-code the heart models' structures. The scientists safely ablated, or destroyed, tiny areas of diseased heart tissue that facilitate rhythm disturbances, guided onl...
Eating out often may add to kids' cardiovascular risk
...ours a day in sedentary activities such as playing computer
games and watching television. Children who ate out less often spent 2.78 hours a day in sedentary activities. "I think what we've tapped into here is a whole different lifestyle," said study statistician Bryan Hendricks, Ph.D., of the University of...
Caution: New Medicare drug plan may cause headaches
...clients." "Some seniors will need to take a laptop computer
into their medicine cabinet to accurately compare alternatives," he added. Kaplan is a vice chair of the Elder Law Committee of the American Bar Association's Senior Lawyers Division and has written frequently about Medicare in scholarly publications...
Study shows success and less risk in treating kids with heart rhythm problems
...ter ablation in children using a three-dimensional computer
assisted navigation system. They show that by add...s that the patients who were treated using the 3-D computer
navigation system were spared almost half the radiation dose received by 108 comparable patients tre...
Robotic surgery-stenting combo opens coronary arteries, speeds recovery
...r ports. The daVinci robotic system is a powerful computer
interface that allows surgeons to sit at a console with full vision of the operative field. The surgeon's usual surgical hand movements are translated through the miniature robotic arms inside the patient. The robotic arms, with interchangeable ins...
Brain morphing technology simplifies the surgical treatment for movement disorders
...enoit Dawant, professor of electrical engineering, computer
engineering and radiological sciences at Vanderbilt University, who is developing the guidance system in collaboration with Peter Konrad, associate professor of neurological surgery and biomedical engineering. The only way that the target region can ...
Psychologists glimpse biological imprint of childhood neglect
... woman and participated in an animated interactive computer
game. The 30-minute game directed the children to engage in various types of physical contact with the adult they were sitting with, such as whispering or tickling each other, and patting each other on the head. When the game ended, Wismer Fries col...
Two studies find ways to block the 'freshman 15'
...aily weight to another person with women who use a computer
program only to monitor their weight. The study published in the International Journal of Obesity was co-authored by Jessica Garay and Marnie Nausbaum, former Cornell undergraduate students who helped conduct the study as part of their senior honor ...
Mental stress may be another culprit in raising cholesterol levels in healthy adults
...s of target color words in incongruous colors on a computer
screen (ex. Yellow letters spelling the color blue). At the bottom of the computer
screen, four names of colors were displayed in incorrect colors. The object of the task was to match...
Squinting while staring at a computer monitor can cause painful dry eye
COLUMBUS , Ohio Squinting at a computer
screen can cut in half the number of times someone... "People tend to squint when they read a book or a computer
display, and that squinting makes the blink rate go way down," said James Sheedy, the study's lead a...
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