News tagged with light signals
Moving cells with light holds medical promise
Scientists at Washington University School of Medicine in St. Louis have shown they can coax cells to move toward a beam of light. The feat is a first step toward manipulating cells to control insulin secretion ...
Medical research
Apr 08, 2013 |
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Family practice offers genetic tests to predict effective psychiatric meds
For the first time in Canada, patients attending a family practice clinic will be offered genetic testing to see whether or how they will respond to psychiatric medication treatment, in partnership with the Centre for Addiction ...
Psychology & Psychiatry
Jan 30, 2013 |
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Neuroscientists create fiber-optic method of arresting epileptic seizures
UC Irvine neuroscientists have developed a way to stop epileptic seizures with fiber-optic light signals, heralding a novel opportunity to treat the most severe manifestations of the brain disorder.
Neuroscience
Jan 24, 2013 |
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Engineering a photo-switch for nerve cells in the eye and brain
(Medical Xpress)—Chemists and vision scientists at the University of Illinois at Chicago have designed a light-sensitive molecule that can stimulate a neural response in cells of the retina and brain—a ...
Medical research
Nov 14, 2012 |
4.8 / 5 (4) |
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Study clarifies process controlling night vision
On the road at night or on a tennis court at dusk, the eye can be deceived. Vision is not as sharp as in the light of day, and detecting a bicyclist on the road or a careening tennis ball can be tough.
Neuroscience
Oct 17, 2012 |
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To assess the mobility of bed-ridden patients
In June a monitoring system is becoming commercially available that will allow nursing staff to accurately record the mobility of bedridden persons. The system has been developed for the prevention of bedsores ...
Health
Apr 26, 2012 |
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Psychologists increase understanding of how the brain perceives shades of gray
Vision is amazing because it seems so mundane. Peoples' eyes, nerves and brains translate light into electrochemical signals and then into an experience of the world around them. A close look at the physics of just the first ...
Psychology & Psychiatry
Nov 10, 2011 |
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Guiding light: how the brain gets wired for stereo vision
(Medical Xpress) -- Nerve cells that transmit light signals from the eye into the brain use a molecule best known for its role in blood vessel growth as a ‘stepping stone’ to help them reach the ...
Neuroscience
Jun 15, 2011 |
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Why animals don't have infrared vision
On rare occasion, the light-sensing photoreceptor cells in the eye misfire and signal to the brain as if they have captured photons, when in reality they haven't. For years this phenomenon remained a mystery. Reporting in ...
Neuroscience
Jun 09, 2011 |
4.3 / 5 (4) |
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