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movements in Biological News

Abnormal brain circuits may prevent movement disorder

... to integrate the information needed to plan movements and to learn new motor skills. It was not ... gene called DYT1 will develop the involuntary movements that can prevent them from living a normal life, ... lesion in the circuit developed the debilitating movements and those with two lesions did not. "There is ...

Clinical trial shows quadriplegics can operate powered wheelchair with tongue drive system

... or control a mouse cursor using simple tongue movements can be operated by individuals with high-level ... This information was then used to control the movements of the cursor on a computer screen or to ... commands. A unique set of specific tongue movements was tailored for each individual based on the ...

Resilin springs simplify the control of crustacean limb movements

... can simplify the brain control of their limb movements by moving a joint with just one muscle that ... in the open access journal BMC Biology , of the movements of the mouthparts of crabs and crayfish. ... to Burrows, the water currents created by these movements have two important roles. First, as an active ...

Effects of maternal exercise on fetal breathing movements

... exercise-exposed fetuses have increased breathing movements compared to non-exercise exposed fetuses. Fetal breathing movements are a marker of fetal well-being and reflect ... fetal magnetocardiograms (MCG) along with fetal movements (breathing, body movements, hiccups and ...

Effects of maternal exercise on fetal breathing movements

... exercise-exposed fetuses have increased breathing movements compared to non-exercise exposed fetuses. Fetal breathing movements are a marker of fetal well-being and reflect ... fetal magnetocardiograms (MCG) along with fetal movements (breathing, body movements, hiccups and ...

Flight of the bumble (and honey) bee

... Carolina State University studied pollinator movements down and across rows in watermelon [Citrullus ... significant amounts of linear pollinator movements occur down rows of watermelon plants, pollinator movements (in watermelon) are not as simple as just ...

Inactivity of proteins behind longer shelf life when freezing

... advanced experimental techniques to study how movements in the water that surrounds the protein cause movements in the protein itself. The study, which is being ... of time without perishing. "When the global movements in the surrounding water freeze, then ...

UNH researchers track lobster migrations to improve population estimates

... Win Watson are particularly interested in the movements of "berried" females, those carrying eggs. This year, they are comparing the berried females' movements with those of the large- and small-sized males ... berried females go, so go their eggs, and those movements likely have implications for New England lobster ...

Barrow scientists solve 200-year-old scientific debate involving visual illusions

... observed the Enigma illusion while their eye movements were simultaneously recorded with high precision ... slowed, revealing a direct link between the eye movements and the illusion. "We have discovered that this illusion originates with eye movements and not solely the brain as previously thought," ...

Scientists achieve first tracking of salmon from headwaters in Rockies through Pacific to Alaska

... and it has only been possible to infer their movements using very indirect methods. Thanks to new ... to examine relationships between animal movements and behaviour and environmental variables in the ... revealed surprisingly extensive cross-border movements of both green and white sturgeon along the coast, ...

So-called 'sandfish' could help materials handling and process technology specialists

... has provided a visual record of the animal's movements in the sand as viewed from above and from the ... says Baumgartner."But we found out that its leg movements are very well coordinated with the wriggling of ... sand at the same frequency."The lizard's winding movements produce vibrations in the sand," explains ...

Taking the next step toward advanced artificial limbs

... be permanently implanted and perform most of the movements and functions of natural limbs. The majority ... of healthy volunteers, and record the associated movements and forces of the subjects' wrists and fingers. ... to analyze how it reacts to the stresses and movements associated with the integration of a prosthetic ...

New sensory devices will aid Parkinson's and stroke patients

... said: "Being able to control the speed of our movements is key to survival. For some people areas of the ... the brain can learn to guide these types of movements in a more controlled way. "We hope that the ... help us further understand how we control our movements and will provide a tangible way of helping those ...

Leatherback turtles' newly discovered migration route may be roadmap to salvation

... By taking the new data correlating turtle movements with various environmental features along their ... of Hawaii. They examined turtle speeds and movements in relation to the distribution and strength of ... haven't been able to capture the turtles' movements beyond about two years. He suggests that turtles ...

Researchers catch ion channels in their opening act

... from the University of Illinois measures movements smaller than one-billionth of a meter in ion ... (LRET) which allowed him to measure small movements in proteins. The technique involves the use of a ... apart they are. The measurement is sensitive to movements as small as one-billionth of a meter. Posson also ...

IVF does not increase risk of developmental disorders in children

... the study, which looked at the quality of general movements in infants at the age of three months, showed ... early in infancy. "The quality of these movements reflects the integrity of the young brain and is ... age," said Dr. Middelburg. Data on quality of movements in the general population was also available by ...

NJIT applauds students for studies on brain injury, glaucoma and more

... brain. She hopes to better understand how eye movements relate to areas of the brain so that one day she ... strengthen damaged vision. By tracking the eye movements of three subjects, she saw sections of the brain associated with these movements that were activated. Second-place honors ...

Thinking makes it so: Science extends reach of prosthetic arms

... to learn to use and are limited in the number of movements they provide. Todd A. Kuiken, M.D., Ph.D., a ... 16 different elbow, wrist, hand, thumb and finger movements they asked the patients to perform. The EMG signals from each of the 16 movements were analyzed using advanced signal processing ...

Knee injuries may start with strain on the brain, not the muscles

... subjects showed significant potentially harmful changes in lower body movements that, when preformed improperly, can cause ACL tears. "These findings ... approach looks a bit north and attempts to untangle the brain's role in movements in a random, realistic and complex sports environments. The findings ...

Reading the brain without poking it

... Now, a University of Utah study shows that brain signals controlling arm movements can be detected accurately using new microelectrodes that sit on the brain ... and the other was forward to the right. The patients' arm movements were recorded on the tablet and fed into a computer, which also analyzed ...

How to text message and avoid pain

... There were also differences in terms of work technique, thumb movements and muscular activity. The thumb movements were assessed with a so-called electrogoniometer, and the muscular ...

Geography and history shape genetic differences in humans

... genome much more slowly than previously thought. Other factors -- the movements of humans within and among continents, the expansions and contractions of ... throughout the world in patterns that reflect ancient population movements and other aspects of population history. "We don't think that selection ...

Slicing chromosomes leads to new insights into cell division

... polar ejection forces were in fact a direct cue that guided chromosomal movements in mitosis." To achieve this, Hunt performed "nanoscale surgery," as he ... move, we can better understand how these drugs interfere with those movements and we can design experiments to screen for new drugs," Hunt said. "It ...

Sulphur in just one hair could blow a terrorist's alibi

... objective is to be able to use these methods to track the geographical movements of people, including international crime suspects and victims. In ... relationship reflect changes to our diet, which can in turn be related to movements from one country to another", Justo Giner, another of the study's authors, ...

Grouping muscles to make controlling limbs easier

... muscles -- a finding that could make it easier to restore muscle movements in people who have become paralyzed. The researchers used a model of ... said Tresch. "The complexity might be there to make certain kinds of movements more efficient than others." By having this framework, researchers ...

Diet secrets of 'the Royals'

... analyzed carbon and other isotopes in tail hair to monitor the elephants' movements and diet from early 2000 to early 2006. The study involved ... isotope analysis and tracking collars could be used to monitor elephant movements and diets as a way to minimize human-pachyderm conflicts and determine the ...

April 2009 Geology and GSA Today media highlights

... tectonically active at that time (similar to the Red Sea today), and fault movements elevated some parts of the seafloor to provide ideal conditions for ... carbonate sediments took place, George et al. are able to show that fault movements continued to strongly control sea-level changes in the region and, ...

Fetal alcohol syndrome testing expands

... researchers are continuing to develop novel approaches for using eye movements to assess brain function. In collaboration with Doug Munoz, director of ... "This is very exciting because it points us toward using eye movements to show differences in clinical populations," says Dr. Reynolds. "Once we ...

Cells with double vision

... with neighbouring cells, the cells respond in their output regions to movements from a much wider field of vision. This results in a robust processing of ... A group of ten cells, known as the VS-cells, respond to rotational movements of the fly, for example. Each of these ten cells receives its visual ...

Caltech researchers get first look at how groups of cells coordinate their movements

... at one time. Previous research has been generally limited to imaging the movements of single cells. The work was published in the December 5 issue of the ... from two cross sections of that tube, paying particular attention to the movements of cells in the mesoderm--the inner layer of cells in the early ...

Cell movements totally modular, Stanford study shows

... when they scratched some of the cells away: They were looking to see the movements of individual cells and overall sheet movements as cells filled the open space. "We stained the nuclei and took a movie ...

Pain is in the eyes of the beholder

... a standardized set of ten hand movements. The participants repeated the movements under four conditions: with no visual manipulation, while looking through ... too was less when people watched a "minified" image of their arm during movements than when they watched a magnified or normal image, the researchers ...

Scientists present 'moving' theory behind bacterial decision-making

... , the NC State scientists show for the first time that the specific movements of these important bacterial proteins, called transition-state regulators, ... that proteins with identical shapes have different movements, and these movements allow proteins to select proper DNA targets that lead to tens or hundreds ...

Streamlining brain signals for speed and efficacy

... the brain needs to transform head motion into precise eye, head, and body movements that rapidly stabilize our posture and gaze; otherwise, we would stumble ... vestibular-ocular reflex, or VOR, needs to be fast; for clear vision, head movements must be compensated for almost immediately. To achieve the necessary ...

Digital zebrafish embryo provides the first complete developmental blueprint of a vertebrate

... the interdisciplinary team generated terabytes of data on cell positions, movements and divisions that were reassembled into a digital 3D representation of ... New insights provided by the digital embryo include: fundamental cell movements that later on form the heart and other organs are different than ...

Risks and benefits of antipsychotics in children and adolescents

... and longer-term treatment groups, respectively. Abnormal involuntary movements The incidence of extrapyramidal symptoms (EPS), abnormalities in the ... a cross-sectional study by our group, the presence of abnormal involuntary movements was compared in 60 children and adolescents who had taken antipsychotic ...

Signals from the Atlantic salmon highway

... help determine survival but don't provide the level of detail about fish movements that the acoustic tags do. The Ocean Tracking Network array works like ... it will enable marine scientists around the world to track the movements and behavior of marine life as well as to monitor ocean conditions such as ...

Keeping an eye on the surroundings

... in aqueous buffers on the picosecond time scale. Both the skeletal movements of proteins and the collective motions of water molecules surrounding ... extent determines its function. The folding process is very fast. The movements of the protein backbone influence the solvent, and the dynamics of the ...

Discovery of a mechanism that regulates cell movement

... and Marta Llimargas, have studied the mechanisms that control cell movements during trachea development in the fly Drosophila. In this process, cells ... after the other in a single file. A key element in the regulation of these movements is the amount of adhesive protein E-Cadherin located in the cellular ...

UC San Diego researchers identify potential new drug candidates to combat 'bird flu'

... , builds on prior work that captured the nanosecond-by-nanosecond movements of a protein called neuraminidase 1 (or N1), needed by the avian flu virus ... scientists work with molecular dynamics codes that simulate their movements as they obey the fundamental laws of physics. Such is the complexity of ...
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(Date:7/11/2014)... have set a "mouse TRAP" to capture the early ... study published in the Journal of Clinical Investigation ... called TRAP to extract cellular and genetic information from ... at the Rockefeller Institute for Medical Research in 2008, ... machinery, or ribosomes, of the cell type of interest. ...
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