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Scientists uncover how the brain controls what the eyes see
11-20-2007 · EurekAlert!Vase or face? When presented with the well-known optical illusion in which we see either a vase or the faces of two people, what we observe depends on the patterns of neural activity going on in our brains.
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Keywords: scientists, uncover, brain, controls, eyes, scientist, control, eye
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- Researchers Uncover Critical Player In Cell Communication
10-06-2006 · ScienceDaily
Johns Hopkins researchers have teased out the function of a protein implicated in Williams-Beuren syndrome, a rare cognitive disorder associated with overly social behavior and lack of spatial awareness. Called TFII-I, or TF "two eye," the protein long known to help control a cell's genes also controls how much calcium a cell takes in, a function critical for all cells, including nerves in the brain. The study will be published this week in Science.
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- Reorganization of brain area for vision after stroke: May yield new treatments for brain injury
09-04-2007 · EurekAlert!
New evidence from a patient shows that the area of the brain that processes visual inputs can reorganize after an injury caused by stroke. Scientists found that a brain region that had stopped receiving signals from the eyes because of a stroke began responding to signals formerly processed in adjacent brain areas.
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- VEGF neutralization can damage brain vessels, say Schepens Eye Research Institute scientists
02-12-2008 · EurekAlert!
New research by scientists at Schepens Eye Research Institute may help explain why the anticancer drug Avastin, which targets a growth factor responsible for creation of new blood vessels, causes potentially fatal brain inflammation in certain patients. Institute scientists mimicked the drug's activity in mice and found that it damaged the cell lining that prevents fluid from leaking from the ventricle into the brain.
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- A brainy idea 25 years in the making
10-03-2007 · EurekAlert!
A discovery made 25 years ago about how the brain controls blood pressure regulation is only now being explored with the help of scientists from the Howard Florey Institute.
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- Language center of the brain is not under the control of subjects who 'speak in tongues'
10-30-2006 · EurekAlert!
Glossolalia, otherwise referred to as "speaking in tongues," has been around for thousands of years, and references to it can be found in the Old and New Testaments. Now, in a first of its kind study, scientists are shining the light on this mysterious practice -- attempting to explain what actually happens physiologically to the brain of someone while speaking in tongues.
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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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- Funnel in the eye: Signal focusing increases photosensitivity
11-02-2006 · EurekAlert!
In poor light the eyes of mice react like some digital cameras: they reduce their resolution while at the same time increasing their sensitivity. Specialists in the retina focus the information of several light sensor cells for this purpose. Scientists from the University of Bonn and their colleagues from Oldenburg, Bochum and Kobe (Japan), have now discovered how all this works. The study will be published on 3 November in the prestigious Journal of Biological Chemistry.
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- Why our shifty eyes don't drive us crazy
11-08-2006 · EurekAlert!
Our eyes are constantly making saccades, or little jumps. Yet the world appears to us as a smooth whole. Somehow, the brain's visual system "knows" where the eyes are about to move and is able to adjust for that movement. In a paper published online this week in Nature, researchers at the University of Pittsburgh and the National Eye Institute for the first time provide a circuit-level explanation as to why.
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- Scientists discover a direct route from the brain to the immune system
10-24-2007 · EurekAlert!
It used to be dogma that the brain was shut away from the actions of the immune system, shielded from the outside forces of nature. But that’s not how it is at all. In fact, thanks to the scientific detective work of Kevin Tracey, MD, it turns out that the brain talks directly to the immune system, sending commands that control the body’s inflammatory response to infection and autoimmune diseases.
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- St. Jude defines eye cancer gene's role in retinal development
01-16-2008 · EurekAlert!
A genetic discovery led by scientists at St. Jude Children's Research Hospital helps answer a long-standing mystery about the eyes of vertebrates, and may translate into a deeper understanding of how genes coordinate the complex process of eye formation and how a rare pediatric eye cancer progresses.
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