Tag: "grasp" at medical news

Mice with a migraine show signs of brain damage

...ber in the thousands within a synapse. Mice in the grasp of a migraine lost up to three-quarters of these important cellular components. Ironically, the team found that during CSD, even though blood flow in the brain overall increases dramatically, some parts of the brain still suffer from a lack of oxyg...

Snake-like robot and steady-hand system could assist surgeons

...To address this problem, the steady-hand robot can grasp a needle and move it carefully in tandem with the surgeon in a technique called cooperative manipulation. In tests of the device, the researchers have successfully injected a liquid into a chicken embryo's blood vessels, resembling structures in the...

Lower literacy means poor health and poor health care access for older people

...instructions given to them by their clinicians, or grasp the importance of follow-up care. In addition, there may be elements of fear or intimidation or lack of trust in the health care establishment." Plus, she says, limited literacy may prevent elders from being able to properly fill out forms needed to...

Chaos=Order: Physicists make baffling discovery

...alms The physicists' research is not only hard to grasp for non-physicists, but puzzling for physicists, too. As supervisor Ralf Wessel, Ph.D., Washington University associate professor of physics in Arts & Sciences said, "Every physicist who hears this is surprised." Research on the role of disorder in ...

The dual functions of sight perception and action demonstrated for first time

...y in grasping it, while those who have agnosia can grasp an object if handed to them but are unable to name or indicate the position, size or texture of the object. This dissociation between action and perception suggests the existence of two separate visual streams However, despite the wide research tri...

Mystery solved: Gold's power against autoimmune diseases defined

...by stripping bacteria and virus particles from the grasp of a key immune system protein. "We were searching for a new drug to treat autoimmune diseases," says Brian DeDecker, PhD, HMS post-doctoral student in the Department of Cell Biology and a study co-author. At the time of this work, DeDecker was in th...

UCI researchers prove a single memory is processed in three separate parts of the brain

... which types of memories gives scientists a better grasp on why particular types of memory impairment can occur and why, for example, different types of strokes might affect different memory systems. "This study is a terrific demonstration of how different components of our neural real estate can be alloca...

New insight into machinery of immune cells' 'tentacles'

...acle-like filaments by which immune system T cells grasp other cells. This embrace by such filaments is critical for the T cell to establish communication with cells called "antigen presenting cells" (APCs). Such communication enables the T cell to program itself to target invading microbes for destruction...

Mayo Clinic Cancer Center reports advancements and solutions for quality of life assessments

...n. Practical examples enable the reader to easily grasp the concepts they review or introduce. They review current understandings, recent advances and where QOL assessment discussion is likely to go in the future. Issues addressed in this first of two publications include: Optimal Timing for QOL Assess...

New online atlas provides collective maps of human brain folds

...f human brain structure to 17th-century mapmakers' grasp of the surface of the Earth. "We know a lot, and we're learning much more all the time, but some features that we would like to be able to definitively pinpoint are actually rife with uncertainty," he says. "And large fractions of the cortex have ar...

Molecular ballet unravels, links proteins so cell can direct own movement

...ts skeleton triggers molecular fingers and arms to grasp each other in reinforcing links that stabilize the skeleton, according to images produced by investigators at St. Jude Children's Research Hospital. The images show how a protein called alpha-actinin partly unravels its structure to free an inter...

Research: Noise, visual cues affect infants' language development

...ts who watched the second and third videos did not grasp the new word as well. However, in the fourth experiment with the synchronized oscilloscope, infants were able to pick out the emphasized word just as they did when looking at the speaker's face. "Even though this last experiment did not show a person...

The anatomy of sarcasm: Researchers reveal how the brain handles this complex communication

... explain that for sarcasm to score, listeners must grasp the speaker's intentions in the context of the situation. This calls for sophisticated social thinking and "theory of mind," or whether we understand that everyone thinks different thoughts. As an example of what happens when "theory of mind" is lim...

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(Date:7/28/2014)... team of researchers led by the University of Arizona ... The genetic information will enhance scientists, and agriculturalists, understanding ... as enable the development of new rice varieties that ... to help solve global hunger challenges. , The paper, ... ) and evidence for independent domestication," was published online ...
(Date:7/28/2014)... and organic compounds in hydrothermal environments are critical components ... for the deep biosphere, and may have implications for ... about how minerals influence organic reactions. A team ... a common mineral acts as a catalysts for specific ... solvents or expensive reagents. , At the heart of ...
(Date:7/28/2014)... Researchers at Yale School of Medicine have pinpointed a mechanism ... glucose levels in the blood, linking it to both type ... the July 28 issue of Proceedings of the National ... prolyl endopeptidase enzyme located in a part of the ... of steps in motion that control glucose levels in the ...
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