Tag: "visual" at biology news

Coming soon: 3-D imaging that flies 'through' and 'around' cancer

...cancerous tumors--from inside the body--provides a visual navigation of organs oftentimes portrayed on television crime shows like "CSI." Such visualization "may be used to detect and characterize cancer, spare someone from more invasive medical procedures, lead to better disease detection rates of colon ca...

Controlling robots that search for Mars life

...trolled robots, built-in autonomy and cutting-edge visual terrain sensors. The fourth decade of this century could see Europe participating in a manned mission to Mars in what would be one of humanity's grandest space expeditions ever. Aurora is ESA's programme aimed at the long-term robotic and human ex...

News tips from the Journal of Neuroscience

... neuroscience. The resulting reorganization of the visual cortex leaves the deprived eye compromised once it...n the open (nondeprived) eye. The authors measured visual acuity by training rats to use computer-generated visual cues to escape a swim box. Control rats per...

NIH turns to FSU for top research on learning disabilities

...prehend written words. Although once thought of as visual disorder, scientists now know that the condition's... spring from an inability to recognize sounds, not visual cues. "Many kids with reading disabilities really aren't identified until the second grade," said ...

Smoking increases risk and omega-3 fatty acids decreases risk of blinding disease

... AMD." AMD is the leading cause of irreversible visual impairment and blindness among persons aged 60 and...eadily growing, the burden related to this loss of visual function will increase. Limited treatment options exist and prevention remains the best approach for...

News tips from the Journal of Neuroscience

...shapes on a video screen. In each trial, a complex visual cue accompanied the goals. On disappearance of the...were trained to select a new spatial goal when the visual cue changed and to maintain the present goal when the visual cue was repeated. The authors found tha...

Seafloor observatory opens portal to the Pacific

...asurements and dozens of gigabytes of acoustic and visual data. That information -- and new real time data -- is now available to the world. The data management system is constantly evolving. In the near future, "software agents" will work on behalf of VENUS scientists, monitoring incoming data and alerting...

Nutrition a major factor in rise in twin pregnancies

...regnancies cerebral palsy, cognitive impairments, visual impairments, perinatal death as well as a scenari...er than having a child with physical, cognitive or visual impairments, but significantly higher than perinatal death. Our work suggests that couples may need...

'Thirst for knowledge' may be opium craving

...ral opiates increase in density along the ventral visual pathway, a part of the brain involved in image rec...nterpretation of images, but sparse in areas where visual stimuli first hit the cortex. Biederman's theory holds that the greater the neural activity in the a...

Eavesdropping fringe-lipped bats spread culture through sound

...rs learning socially through acoustic, rather than visual or olfactory, prey cues. "It is stunning that these bats show such rapid changes in their responses to prey cues, to the extent that they will respond to a stimulus that they should be under strong selective pressure to avoid in the wild," said Page....

Bone marrow may restore cells lost in vision diseases

...gy & Visual Science. RPE plays a vital role in our visual health by forming the outer barrier of the retina ... epithelium, it could make a big difference in our visual health." Scientists were able to detect that RPE cells indeed appear to be naturally replenished in ...

Do angry men get noticed?

...onstrated that male angry faces are a priority for visual processing particularly for male observers. The findings are reported by Mark Williams of the Massachusetts Institute of Technology and Jason Mattingley of the University of Melbourne, Australia, and appear in the June 6th issue of Current Biology. ...

Study shows autism-related developmental 'red flags' identifiable at age two in children

...s of development, including: gross and fine motor; visual reception; and receptive and expressive language. At 14 months, four of the five mean MSEL scores were significantly lower in toddlers with ASD than those in the unaffected group. By 24 months, the ASD group performed significantly worse than the u...

Salk research suggests the existence of specialized neurons that distinguish swagger from sway

...ender is represented in a similar way to low-level visual features such as color, or if it is a more semanti...k University in Toronto. Individual neurons in the visual cortex are finely tuned to certain attributes of visible objects such as the color red, a certain sh...

Harvard Medical signs agreement with Merck to develop potential therapy for macular degeneration

...e development of small molecule antagonists of the visual cycle that may protect against dry AMD and Stargar...s of lipofuscin are generated as byproducts of the visual cycle, a complex chemical pathway that is required for the maintenance of the light gathering compon...

UF scientists restore sight to chickens with blinding disease

...seven treated chickens, five displayed near-normal visual behavior. Measurement of electrical activity in the retinas of the same five animals showed they responded to light. In comparison, tests on three untreated chickens showed no meaningful responses. "This is an interesting gene-transfer technique that...

Factor isolated that regenerates nerve fibers

...cts nerve cells in the eye's retina to the brain's visual centers, and is often used as a model in studying axon regeneration. When oncomodulin was added to retinal nerve cells in a Petri dish, with known growth-promoting factors already present, axon growth nearly doubled. No other growth factor was as po...

Whale bubble nets, saxophone sounds, ultrasonic laser

...l present live demonstrations as well as audio and visual examples of new instruments that his group has cre...She will also display a number of paintings of her visual interpretation of acoustic flow in different environments. (For video and images, go to http://www....

'Smart' genetic therapy helps the body to heal itself

...able for this devastating disease, which can cause visual loss, seizures, speech problems or deafness due to demyelination invariably leading to death in children and problems of gait and co-ordination in adults." Professor Gert-Jan van Ommen, from the Centre for Human and Clinical Genetics, Leiden Univers...

Study provides first look at the 'birth' of a retina cell

... new vantage point for understanding how a healthy visual system develops. It also raises the possibility of re-directing the production of cell types as needed to stave off eye disease. The study reports on the role of the gene regulator NRL, which was previously shown to be essential for the development ...

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(Date:8/27/2014)... mastodons, short-faced bears, giant ground sloths, saber-toothed cats ... 13,000 years ago at the end of the Pleistocene ... been debated by scientists who, until recently, could only ... including UC Santa Barbara,s James Kennett, professor emeritus in ... collision with Earth played a major role in the ...
(Date:8/27/2014)... began exploring land and evolved into tetrapods today,s amphibians, ... used their fishy bodies and fins in a terrestrial environment ... , Researchers at McGill University published in the journal ... Polypterus , to help show what might have happened when ... Polypterus is an African fish that can breathe air, ...
(Date:8/27/2014)... An invasive grass species frequently found in forests ... then feed on American toads, a new University of ... accidentally introduced to the U.S. in the early 1900s, ... has spread to more than a dozen states in ... along roads and in forests, it can survive in ...
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