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Fast and slow -- How the spinal cord controls the speed of movement
02-28-2007 · EurekAlert!Using a state-of-the-art technique to map neurons in the spinal cord of a larval zebrafish, Cornell University scientists have found a surprising pattern of activity that regulates the speed of the fish's movement. The research may have long-term implications for treating injured human spinal cords and Parkinson's disease, where movements slow down and become erratic.
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Keywords: fast, slow, spinal, cord, controls, speed, movement, control
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- Biomedical engineers advance on 'smart bladder pacemaker'
02-16-2007 · EurekAlert!
Duke University biomedical engineering researchers have moved a step closer to a "smart bladder pacemaker" that might one day restore bladder control in patients with spinal cord injury or neurological disease. The team's findings show that a device that taps into the urinary "circuit" in the spinal cord could selectively coordinate the contraction and release of muscles required for maintaining continence.
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- Weizmann Institute scientists discover a control mechanism for metastasis
08-08-2007 · EurekAlert!
A team of biologists, physicists and doctors at the Weizmann Institute of Science has revealed a cellular mechanism that controls the movement of cells in cancer metastasis. This finding may help predict the progression of metastasis, as well as the design of drugs to prevent it.
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- Researchers map signaling networks that control neuron function
01-28-2008 · EurekAlert!
In the first large-scale proteomics study of its kind, researchers at the University of California-San Diego School of Medicine have mapped thousands of neuronal proteins to discover how they connect into complex signaling networks that guide neuron function. Their research -- using quantitative mass spectrometry, computational software and bioinformatics to match the proteins to their cellular functions -- may lead to a better understanding of brain development, neurodegenerative diseases, and spinal cord regeneration.
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- Newborn brains grow vision and movement regions first
02-08-2007 · EurekAlert!
The regions of the brain that control vision and other sensory information grow dramatically in the first few months following birth, while the area that controls abstract thought experiences very little growth during the same period, University of North Carolina at Chapel Hill researchers have found.
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- University of Texas at Austin physicists slow and control supersonic helium beam
03-08-2007 · EurekAlert!
The speed of a beam of helium atoms can be controlled and slowed using an "atomic paddle" much as a tennis player uses a racquet to control tennis balls, physicists at the University of Texas at Austin have discovered.
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- Hot on the TRAIL of controlling inflammation in bacterial meningitis
06-14-2007 · EurekAlert!
In a study appearing online on June 14 in advance of publication in the July print issue of the Journal of Clinical Investigation, researchers at Charité-Universitätsmedizin Berlin report that the molecule known as TRAIL can limit excessive immune responses in bacterial meningitis, and as such may be of use to control inflammation of the spinal cord and brain, which causes brain cell death in this life-threatening disease.
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- GPS-like technology helps pinpoint best methods for moving injured players
09-17-2007 · EurekAlert!
The 15 minutes it took to remove Buffalo Bills player Kevin Everett off the field after he suffered a spinal cord injury may seem like a long time for someone needing acute medical care, but in fact, those minutes underscore how critical it is to carefully move a player with a suspected spinal cord injury off the field. It also highlights the challenges when needing to minimize any further movement to an injured spinal cord.
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- Asymmetric ashes
11-30-2006 · EurekAlert!
Astronomers are reporting remarkable new findings that shed light on a decade-long debate about one kind of supernovae, the explosions that mark a star's final demise: Does the star die in a slow burn or with a fast bang? From their observations, the scientists find that the matter ejected by the explosion shows significant peripheral asymmetry but a nearly spherical interior, most likely implying that the explosion finally propagates at supersonic speed.
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- Nanoparticle Assembly Enters The Fast Lane
10-14-2006 · ScienceDaily
The speed of nanoparticle assembly can be accelerated with the assistance of DNA, a team of researchers at the US Department of Energy's Brookhaven National Laboratory recently found. Learning how to control the assembly of these miniscule particles into larger systems remains a major challenge for scientists. The Brookhaven results, published online on October 11, 2006, by the Journal of the American Chemical Society, are a step in that direction.
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- Novel salamander robot crawls its way up the evolutionary ladder
03-08-2007 · EurekAlert!
A group of European researchers has developed a spinal cord model of the salamander and implemented it in a novel amphibious salamander-like robot. The robot changes its speed and gait in response to simple electrical signals, suggesting that the distributed neural system in the spinal cord holds the key to vertebrates’ complex locomotor capabilities.
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