Tag: "visual" at biology news

New studies show topical glucosamine targets pigment overproduction

...tion of light within the skin to produce full-face visual maps of melanin distribution. These maps revealed that treatment with an N-acetyl glucosamine and niacinamide complex resulted in a reduction in both hyper-melanized spot size and heterogeneity of melanin distribution. "This unique SIAscope technolo...

New evidence suggests statins could prove useful in treating MS

...ological symptoms including loss of motor control, visual loss or imbalance. A primary symptom is temporary,...nother. The destruction causes fatigue, imbalance, visual loss, disrupts various motor skills and, more subtly, diminishes some cognitive abilities. In later ...

Smoking interferes with brain's recovery from alcoholism

...d object manipulation. The occipital lobe controls visual processing. The study participants' visual-spatial learning and memory, attention and concentration, and overall processing speed were also evaluated at the beginning of the study and after one month. Among the non-smokers, the greater the increases ...

New 'stars' in formation of nerve cell insulation

...cle weakness, loss of coordination, and speech and visual loss in the disease. Now, Douglas Fields of the National Institute of Child Health and Human Development and his colleagues have reported in the March 16, 2006, issue of Neuron that supporting cells called astrocytes in the central nervous system (CN...

News tips from the Journal of Neuroscience

...o each of two audio cues (tones or clicks) and two visual cues (solid or flashing lights) by pressing one of...pers": checkerboard for audio cues and spotted for visual cues. When conflicting cues eliciting opposite responses were presented together, for example a tone...

Strawberries by design

...rmed strawberry plants may be easily identified by visual inspection. This is the first time that GFP has been used in strawberry as a visually selectable marker. Commenting on the research, VBI Professor Vladimir Shulaev, one of the authors of the study, remarked: "The development of this protocol for st...

NASA scientists study pollution's origins and air quality impact

...a comprehensive radiation, chemical, physical, and visual measurements of gases and aerosols. INTEX-B researchers will also closely coordinate their observations from planes with that of NASA satellites, especially Aura, Aqua, and Terra, as well as the European Envisat. "There is tremendous value in linking...

Biodesign Institute at ASU named lab of the year in international competition

... the labs, and an extensive use of glass creates a visual connection between the labs, offices and atrium. The lab benches are on wheels, with all utilities and data lines accessed through the ceilings. This enables maximum "plug and play" flexibility. Some distinct features of the labs include special cons...

Training improves sound localization in ferrets

...nt training. To test the possibility that visual cues might help to boost auditory plasticity, the ...zation cues but also that they could do so without visual cues. Then, by training another group of ferrets to localize both auditory and visual stimuli before...

Smallest Triceratops skull ever found provides clues to dinosaur's growth

...were just as important for species recognition and visual communication in these animals," Goodwin said. Triceratops horridus was a strictly North American dinosaur, though ceratopsian relatives with different but equally formidable ornamentation roamed China and Mongolia during the Cretaceous period, 65-14...

New genetic discovery explains 74 percent cases of age-related macular degeneration

...ory Hageman, Ph.D., professor of ophthalmology and visual sciences at the University of Iowa Roy J. and Lucille A. Carver College of Medicine, and by Michael Dean, Ph.D., at the National Cancer Institute of the National Institutes of Health. The PNAS study showed that several variants in the Factor H gene s...

Falcon decoys and simulated rifle fire keep birds from oil

...as also able to detect four times as many birds as visual sightings and could also detect the animals at night--particularly critical for bird deterrence because shorebirds, ducks and geese are nocturnal as well as diurnal migrants. But although the research shows promise for radar-activated on-demand deter...

When seeing is misleading: Clutter leads to high-confidence errors

... the underlying perceptual and neural processes of visual search by studying how distracters affect performance of a visual search task. One might intuitively expect that as background noise created by distracters and errors...

Benefits of eating seafood outweigh risks

...nsas Medical Center, said DHA has been linked with visual and cognitive acuity in fetuses and newborn infants who have been breast-fed. And women in the United States typically consume less DHA than most other groups around the world, she added. Carlson and Steve Otwell, from the University of Florida, both...

Alcoholism, smoking and genetics among Plains American Indians

...greater brain activation in response to unpleasant visual images." Whereas studies of European men have shown that the Met allele is associated with late onset alcoholism and increased alcohol intake in social drinkers, Enoch and her colleagues have found that in American Indians the Met allele was protecti...

High-status monkeys ignore the interests of riff-raff

...ollow their gaze to the objects to which they give visual attention. Like humans, monkeys pay attention to the eyes of individuals within their groups; in the laboratory, they respond more quickly to a target when they have seen another individual look at it. Researchers at Duke University Medical Center no...

News tips from The Journal of Neuroscience

... sensory cortex, areas of the brain that transform visual information into motor commands are topographicall... map can be modified regionally to accommodate the visual inconsistency. From a series of experiments, the authors surmised that the visuomotor system tended ...

Biosense Webster receives FDA approval for technology to treat patients with heart rhythm disease

... within the CARTO RMT System to ensure an accurate visual framework for mapping diagnostic procedures....

JCI table of contents, February 1, 2006

...l blood vessel growth in the back of the eye where visual images are processed. A protein called VEGF-A (for vascular endothelial growth factor-A) stimulates blood vessel growth (angiogenesis) in a variety of tissues, and is present in CNV. Now, researcher Jayakrishna Ambati and colleagues from the Universi...

Scientists spot solitary stem cells in living bone marrow

... Sciences online Early Edition provides compelling visual evidence that hematopoietic, or blood-forming, stem cells prefer a solitary life. "We took time-lapse movies of sections from mouse leg bone as seen under a fluorescent microscope," says Douglas Engel, Ph.D., chair and professor of cell and developm...

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