News tagged with contrast sensitivity
Action video games improve vision
Medicine & Health / Neuroscience
Mar 29, 2009 |
5 / 5 (7) |
3
Video games that involve high levels of action, such as first-person-shooter games, increase a player's real-world vision, according to research in today's Nature Neuroscience.
Research into the contrast sensitivity of persons with varying levels of visual acuity
Dec 17, 2008 |
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The contrast sensitivity of persons with different visual acuity capabilities is experimentally analyzed. Test subjects observe a cathode ray tube monitor in a darkroom environment to determine their visual contrast sensitivity ...
Search results for contrast sensitivity
Cobalt Nanoparticles Boost Imaging Sensitivity and Edge Detection
Nanotechnology / Bio & Medicine
Mar 26, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- Magnetic resonance imaging (MRI) can serve as a very sensitive technique for detecting small tumors in the body, but it is not as good at identifying the edges of a tumor. Photoacoustic imaging tomography ...
Study: Attention can impair perception
Sep 12, 2006 |
3.7 / 5 (11) |
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We normally think of paying attention to an object as a way to better perceive it, but U.S. scientists say sustained attention might worsen perception.
MR arthrography is more accurate than MR in diagnosing shoulder tears
Jan 06, 2009 |
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MR arthrography of the shoulder allows physicians to better identify tears and provides patients with an accurate diagnosis to determine whether or not surgery is needed, according to a study performed at Neuroskeletal Imaging ...
Getting better visualization of joint cartilage through cationic CT contrast agents
Sep 01, 2009 |
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In its quest to find new strategies to treat osteoarthritis and other diseases, a Boston University-led research team has reported finding a new computer tomography contrast agent for visualizing the special distributions ...
Contrast Agent Trials in Swine
Oct 15, 2007 |
3.5 / 5 (2) |
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Mammography continues to be the method of choice for the early detection of breast cancer. However, because this technique is not as selective or specific as one would wish, and does not deliver reliable results for every ...
Vision problems prompt older drivers to put down the keys
Jan 06, 2009 |
3 / 5 (1) |
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With 30 million drivers in the US aged 65 and over, we count on older Americans to recognize when they can no longer drive safely and decide that it's time to stay off the road. A new study finds that a decrease in vision ...
Visual attention: How the brain makes the most of the visible world
Medicine & Health / Neuroscience
Mar 25, 2009 |
5 / 5 (1) |
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The visual system has limited capacity and cannot process everything that falls onto the retina. Instead, the brain relies on attention to bring salient details into focus and filter out background clutter. ...
Novel economical blood test for hepatitis C
Feb 11, 2009 |
5 / 5 (1) |
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A novel blood test could bring a breakthrough in the battle against the dangerous hepatitis-C virus. This procedure offers a considerably cheaper alternative to the normal commercial tests, whilst maintaining equal sensitivity. ...
Not all fat created equal
May 06, 2008 |
4.8 / 5 (17) |
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It has long been known that type 2 diabetes is linked to obesity, particularly fat inside the belly. Now, researchers at the Joslin Diabetes Center have found that fat from other areas of the body can actually reduce insulin ...
Older adults often inaccurately report their own stroke history
Medicine & Health / Neuroscience
May 11, 2009 |
not rated yet |
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The responses of older adults who are asked whether they had a stroke frequently do not agree with diagnoses obtained by magnetic resonance imaging (MRI) of the brain, according to a report posted online today that will appear ...
List of search results for contrast sensitivity
