Tag: "visual" at medical news
Testosterone May Affect Learning Skills; May Be Put In Tablet Form
...y affect some learning skills, including improving visual
and perceptual abilities. The findings may provide...nt. When receiving testosterone, they had improved visual
and spatial skills and a better "mental grasp of objects" -- fitting building blocks into the correc...
Radio Frequencies Used To Kill Inoperable Liver Tumors At Penn's Cancer Center
...o frequency ablation, surgeons use ultrasound as a visual
roadmap to guide a needle-sized probe directly into the center of the cancerous tumor. Once inside the tumor, the tip of the probe is carefully opened to permit heat-delivering wire extensions to penetrate across a larger area of the tumor. Fully ext...
Brain Regions Identified That Influence What We Remember Or Forget
...are active when one processes a photograph, suchas visual
areas and areas that allow a person to make sense of the picture, butthe level of activity in most of those regions does not predict whether thephotograph will be remembered or not," Brewer said. Activity in one region of the right prefrontal lobe an...
University Of Texas Southwestern One-Of-A-Kind Video-Laparoscopic Lab May Change The Way Surgery Is Taught
...reen, and it takes a while to become accustomed to visual
clues," said Dr.Daniel Jones, assistant professor of surgery and director of theSouthwestern Center for Minimally Invasive Surgery. "But some of theresidents are very good at this as they grew up playing video games." UT Southwestern surgery educator...
National Science Foundation Awards Knowledge And Distributed Intelligence Grants
...tware with which learners construct and manipulate visual
representations of their emerging knowledge. "Representational bias" refers to how these software environments facilitate the expression and inspection of different kinds of information.The research will provide a better theoretical understanding of...
Discovery: Experiments Confirm Novel Eye Pigment Controls Circadian Rhythm
... mammals to see by absorbing lightand transferring visual
signals through the optic nerve to the brain. The newlydiscovered cryptochromes, which come in two forms called CRY 1 and CRY 2, arelinked to vitamin B-2 and located in a different part of the retina.Cryptochromes enable animals and humans to synchro...
Fructose Consumption May Accelerate Aging: Skin's Elasticity And Softness May Be Affected
... youthful skin. Since the tests were done on rats, visual
aging on their skinwas difficult to assess. However, Werman and Levi explain that increased crosslinking leads to loss of elasticity, which in turn may lead to wrinkles. "Too much crosslinking reduces elasticity and makes the skin stiff andrigi...
Visual Environment Can Affect Even Healthy Eyes --- Nature Works With Nuture For Good Vision
...s Primate Research Center have discovered that the visual
experience of one eye influences the growth and su...ch add to the growing evidence that from infancy, visual
development is influenced by a control system integrating the two eyes which is dependent on environ...
In Battle For Attention, Left Side Of Brain Wins Over The Right, UF Researchers Find
...ions when they areon the left than on the right, a visual
attentional bias that causes peopleto be drawn toward the distraction," said Dr. Anna Barrett, a visitingresearch assistant professor in the UF College of Medicine's department ofneurology. "For U.S. drivers, 'left far space' is extremely important,...
Stent Procedures May Be Unnecessary In Some Heart Cases
... how they would define stent-likeresults, based on visual
and radiographic data. As expected, there was a widevariety of opinions, with 45 percent of cardiologists saying that for them, a 10percent residual narrowing represented stent-like results. "Only 1 percent of the patients in our study achieved the ...
Vinegar Offers Dependable Test For Cervical Cancer
... In the second phase, 2,144 women received the visual
inspection, a Papsmear and the reference test in the same day. In this phase, visual
inspectioncorrectly identified about 77 percent of the 207 serious precancerous orcancerous cases in...
UF Researchers Cite Possible Link Between Autism, Schizophrenia And Diet
...seeing something that's not really there; either a visual
orauditory hallucination could occur. "There are a whole number of behaviors that the rat has afterbeta-casomorphin-7 that are basically the same as one sees in the humanwith autism or schizophrenia," he added. "If we ring a bell beside a rat...
MIT Touch Lab Research Explores The Hand
...ter ways of evaluatinghand impairments. "Audio and visual
tests are very sophisticated," Dr.Srinivasan said, "but the tests clinicians have for the sense of touch, forexample, are very primitive." This is primarily because the human haptic systemis so complex and because "there's been no dominant clinical n...
'Motion Blindness,' Not Just Poor Memory, Causes Alzheimer's Patients To Lose Their Way
...s. Alzheimer's patients needed nearly twice asmuch visual
information _ more dots traveling in the samedirection _ to understand the patterns. In another part of the experiment, research subjects wereescorted from the front lobby of the University's Medical Centerto Duffy's laboratory, then were asked ...
Sexually Oriented Internet Sites Are Popular And Non-Problematic For Most People, But Pose Risks For Some
...ment of relationships (49% females to 23%males) to visual
erotica (50% males to 23% females). Most individuals reportedthat they go on line for sexual pursuits from home (78.8%); 5.8 percent admittedusing an office computer; and 12.7 percent said they do both. In addition,most individuals (64%) were eit...
New Book Says Cross-Train Your Brain To Increase Mental Function
...r and overagain, so that they end up using lots of visual
and auditory associations. Butby bringing the other possible associated sensory pathways on line, you actuallyincrease the repertoire of brain pathways that are activated." Unfortunately,said Katz, the conveniences of modern life have robbed us of so...
Disabilities Don't Raise Insurance Costs
...th how to accommodateapplicants and employees with visual
or auditory impairments. Almost half ofthe respondents were not familiar with teletypewriters -- TTYs -- or relayservices; more than half were unfamiliar with adapting print materials or using a reader to assist thelearning disabled and vision impai...
Seeing Movement In The Dark
... much harder at night: It has long been known that visual
acuity ismuch poorer and that colors fade complete...he situation of driving at night. The center ofthe visual
field is illuminated by the bright headlights - and therefore seen bycones, whereas the remaining vi...
Laser Pointer Helps Parkinson's Patients Take Next Step
...rs andshaky, stiff, and slow movements. Sometimes, visual
cues seem to bypass thediseased part of the brain ...information." Patients do try a variety of visual
cues to get moving again, Counihansays. Some install tile floors, whose patterns help them navigate ...
Migraine Pain: Not Mainly In The Brain
...ience with migraines, such asnumbness, tingling or visual
disturbances, likely involve areas of the brain,rather than meninges, Pappagallo says. The research was funded by Glaxo-Wellcome. Other researchers are ZsoltSzabo, Ph.D., Giuseppe Esposito, M.D., Anitha Lokesh and Lynette Velez....
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