News tagged with visual signals
Trimming super-size with half-orders, plate colors
(AP) -- Call it the alter-ego of super-sizing. Researchers infiltrated a fast-food Chinese restaurant and found up to a third of diners jumped at the offer of a half-size of the usual heaping pile of rice ...
8 hours ago |
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Stress pathway identified as potential therapeutic target to prevent vision loss
A new study identifies specific cell-stress signaling pathways that link injury of the optic nerve with irreversible vision loss. The research, published by Cell Press in the February 9 issue of the journal Neuron, may le ...
Medicine & Health / Neuroscience
Feb 08, 2012 |
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Transcriptional barcoding of retinal cells identifies disease target cells
(Medical Xpress) -- By developing a large scale gene expression map for retinal cell types, FMI Neurobiologists have been able to identify the cells in the retina, where the genes causing retinal diseases ...
Medicine & Health / Neuroscience
Jan 23, 2012 |
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Twist-and-glow molecules aid rapid gas detection
In an emergency such as a factory fire, ascertaining which gases are present in the air is critical to preventing or minimizing poisoning (Fig. 1). This requires gas sensors that react quickly and provide ...
Jan 13, 2012 |
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New research shows how male spiders use eavesdropping to one-up their rivals
Researchers have made a new discovery into the complex world of spiders that reflects what some might perceive as similar behavior in human society. As male wolf spiders go searching for a mate, it appears they eavesdrop, ...
Jan 04, 2012 |
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Nerve cells key to making sense of our senses
The human brain is bombarded with a cacophony of information from the eyes, ears, nose, mouth and skin. Now a team of scientists at the University of Rochester, Washington University in St. Louis, and Baylor College of Medicine ...
Medicine & Health / Neuroscience
Nov 20, 2011 |
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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 ...
Medicine & Health / Psychology & Psychiatry
Nov 10, 2011 |
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Development of the brain’s visual cortex depends on experience with light
Tiny molecular signals that govern how the connections between brain cells mature when the eyes first see light have now been identified by a research team in MIT’s Picower Institute for Learning and Memory and the Department ...
Medicine & Health / Neuroscience
Sep 08, 2011 |
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Chronic exposure to methyl-mercury increases of neurodegenerative disease
The research team led by Prof. Samuel Lo, Associate Head of the Department of Applied Biology and Chemical Technology, recently discovered that chronic exposure to low-dose methyl-mercury, an environmental ...
Aug 04, 2011 |
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Discovery alters conventional understanding of sight
A discovery by a team of researchers led by a Syracuse University physicist sheds new light on how the vision process is initiated. For almost 50 years, scientists have believed that light signals could not be initiated unless ...
Jun 23, 2011 |
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New microscope decodes complex eye circuitry (w/ Video)
The sensory cells in the retina of the mammalian eye convert light stimuli into electrical signals and transmit them via downstream interneurons to the retinal ganglion cells which, in turn, forward them to ...
Mar 09, 2011 |
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Artificial retina helps some blind people
For two decades, Eric Selby had been completely blind and dependent on a guide dog to get around. But after having an artificial retina put into his right eye, he can detect ordinary things like the curb and ...
Feb 14, 2011 |
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New mathematical model of brain information processing predicts some of vision peculiarities
The human retina -- the part of the eye that converts incoming light into electrochemical signals -- has about 100 million light-sensitive cells. So retinal images contain a huge amount of data. High-level ...
Jan 28, 2011 |
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Air force flight control improvements may result from flying insect research
Flying insects' altitude control mechanisms are the focus of research being conducted in a Caltech laboratory under an Air Force Office of Scientific Research grant that may lead to technology that controls ...
Dec 06, 2010 |
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Evolutionary bestseller in image processing
The eye is not just a lens that takes pictures and converts them into electrical signals. As with all vertebrates, nerve cells in the human eye separate an image into different image channels once it has been ...
Medicine & Health / Neuroscience
Nov 10, 2010 |
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