University of Colorado salmon study spawns new insight into human brain aging
... other brain areas used for migration and spawning tasks continued to function, despite the presence of beta-amyloid plaques, Maldonado said. Olfactory regions of the brain, for example, functioned well enough to allow the fish to return to their streams of origin and sense pheromones to coordinate spawn...Brain cell 'chorus' appears as attention increases
...ell activity in monkeys who were performing simple tasks that required them to focus their attention on visual or tactile stimuli. Tasks included identifying which of three white squares of light on a video monitor was beginning to dim, and comparing the shape of raised letters or figures pressed against ...Molecular mechanism for learning and memory is identified
...more phosphorylatable GAP-43 in their brains learn tasks more quickly and can forget one strategy in order ...ere dramatically more adept at accomplishing their tasks in a shorter period of time than the other mice, and, in fact, performed better as the task got more...UF researchers find painless electrical stimulus helps restore hand movement for stroke patients
...fected arm." Study participants performed various tasks designed to test their dexterity and their ability to manipulate objects before and after the treatment sessions. These included repeatedly grasping wooden blocks with the affected hand, transporting them one at a time to the other side of a box and ...Study suggests ERT stimulates blood flow to key memory centers in brain
...older, as they rested and as they performed memory tasks for words and designs. PET scans, which require highly specialized equipment and are primarily used for research purposes, produce three-dimensional "maps" that provide researchers with information about activity in particular brain regions as a pers...Research to give authorities new tool in tracking terrorists
...st, a UF professor of chemistry. One of the first tasks for authorities investigating suspicious explosions is to find and identify the explosive. That's not as easy as it may appear, said Jehuda Yinon, a professor of forensic science at the National Center for Forensic Science at UCF. For starters, the v...NIH scientists unravel clues to ebola hemorrhaging
...ent regions of the virus surface perform different tasks for the invading microbe.......niffer dogs replacing the real thing for dangerous tasks such as detecting landmines. Gary Settles, a mechanical engineer at Penn State University in University Park, says the military asked him and his colleagues to investigate the sniffing powers of man's best friend. The Defense Advanced Research Proj...A molecular motor's key role in cell birth
...y specialized structures that can move and perform tasks within cells, fueled by cellular energy in the form of ATP (adenosine triphosphate). Mitosis is the essential process in the formation of new cells by which the mother cell's nucleus divides to provide a duplicate set of genetic instructions to the...Research shows radiologists will need different programs for digital mammography to work best
...ng for each of three different mammography reading tasks and for different breast lesions," Pisano said. "That means that if we make all the images look like regular mammograms, we will be limiting their effectiveness." The challenge for General Electric and the other companies will be to create new, more...Hopkins scientists shed light on how the brain 'thinks'
...f the arms. The primitives demonstrate why certain tasks are hard for us to learn, and that there may be fundamental limitations to what is learnable by the human brain. In an article in the October 12 issue of Nature, Kurt Thoroughman, a graduate student in biomedical engineering, and Reza Shadmehr, Ph.D.......earch and management are quickly changing, and the tasks of the fire management organizations are much broader than they were just a few years ago. Fire management is now in the forefront of land and natural resource management and planning nationwide, with fire-related issues becoming more complex each ye......onnecting brain and body during complex behavioral tasks such as feeding patterns. The results from this and other studies in the same field might ultimately help employees who work on changing shifts, such as nurses or fire fighters, to acclimate their bodies to their schedules....Job stress may lead to back injury for some people, study finds
... those who dislike performing repetitive tasks -- are more likely to report back pain on the job, Marras said. "Sometimes, work isn't physically demanding, but psychologically demanding," Heaney said. "We found that psychological stress...On the cutting edge of brain gene analysis
... it is critical for judgement and decision making, tasks that are corrupted in addiction. Just as a computer virus can change the programming of specific functions, our data show that chronic alcohol abuse can change the molecular programming and circuitry of the frontal cortex." All of our cells have...New Brookhaven Lab study shows how ritalin works
... activate these motivational circuits and make the tasks that children are performing seem much more exciting," said Volkow. "By raising that level of interest, you can significantly increase the ability of the child to focus on the task." Volkow added that Ritalin also works to suppress "background" firin...Rat study shows high-fat diet impairs concentration and memory
... impairment on a wide range of learning and memory tasks relative to those animals that consumed the lower fat diet. The research also showed that glucose treatment significantly improved the memory of rats fed high-fat diets. The findings are published in the March 2001 issue of Neurobiology of Learning a...Neuronal choir hums in unison to rivet brain's attention
...enable its neurons engaged in critically important tasks to win out over neurons essentially processing distractions. In the February 23, 2001 Science, Robert Desimone, Ph.D., Pascal Fries, Ph.D., and Laboratory of Neuropsychology (LNP) colleagues, suggest that synchronous neuronal firing may be a fundame......tudy shows that this key enzyme performs different tasks in different environments. It is produced in the liver and migrates continuously through the bloodstream. Until now, it was thought to be primarily involved in blood clotting and blood pressure maintenance. But when it enters tissues, it prepares the...... to build something that will behave well, perform tasks autonomously, and fit flawlessly in its environment, chances are you'll find a good example somewhere in nature. Take the scorpion, for instance. Here you have an invertebrate creature that withstands searing heat, doesn't eat much, moves omni-direc...