Tag: "visual" at biology news

Computer graphics spills from milk to medicine

...icle type were missing. Having knowledge about the visual effect caused by each type of particle is incredibly valuable in many different contexts, explained Jeppe Revall Frisvad, a Ph.D. student from the Technical University of Denmark. The new work may also help Jensen and colleagues extend their theore...

Disabling a sensory organ prompts female mice to act like male mice

...hile humans and many other animals respond more to visual cues or a combination of sensory cues. Scientists have been studying the vomeronasal organ for a century and know its role as a detector of pheromones well. While it is known that the organ is wired to the parts of the brain that govern reproductiv...

Human knowledge is based upon directed connectivity between brain areas

...ough every day's experience. Categorization during visual perception is exceptionally fast. Within just a fr...aves (EEG). Unfamiliar objects represented complex visual patterns, physically resembling the familiar ones in every possible way, except for familiarity. Fa...

Reading a face is tricky business

...ked up by the brain and make their way through the visual system. The effect can alter perception and the wa...ppiness. Results of the study revealed that the visual system differentially processed the fearful and happy faces, even though this processing did not lea...

News tips from the Journal of Neuroscience

...e with premotor, visual, and parietal areas during visual body processing. Disruption of configural processing by ventral premotor cortex stimulation interfered with recognition of upright, but not inverted figures. Stimulation of EBA in contrast interfered with local processing, disrupting recognition of i...

Gene variant increases risk of blindness

...hich is poorly understood, is the leading cause of visual loss in older people and the commonest cause of blindness in the USA and European countries. The researchers based their findings on studies of patients with AMD (603 from England and 244 from Scotland) who were compared with 701 unaffected people...

Accident-prone? Scientists link brain function to knee injuries

...n time and processing speed and performed worse on visual and verbal memory tests when compared to the contr...ocessing speed and reaction time, as well as lower visual and verbal memory performance may predispose certain individuals to errors in coordination during ph...

Tumor painting revolutionizes fight against cancer

...ventable. The tumor painting technique combines a visual guide for the surgeon with the potential for significant improvement in accuracy and safety. Tumor painting has been successfully tested in mice and the pilot safety trials are complete. Olson and his team are preparing the necessary toxicity stu...

A walking robot goes mountaineering

...ckwards, as it has not yet learned to react to its visual input with a change in gait. But just like children, RunBot learns from its failures, leading to a strengthening of the contact between the eye and the sites of movement control. Only once these connections are established, step length and body postu...

From the corner of the eye: Paying attention to attention

... two classes of brain cells with distinct roles in visual attention, and highlight at least two mechanisms b...represents a major advance in our understanding of visual cognition, because it is the first study of attention to distinguish between different classes of ne...

How pain distracts the brain

...ex. The researchers noted that the modulation of visual processing by pain that they observed in their fMRI studies is behaviorally relevant, because as their fMRI scans showed pain affecting the LOC, they also observed a parallel impairment of accuracy in subjects recognition of the images. ...

Color is in the eye of the beholder

...They are also the basis of color perception in our visual image. It is the presence of multiple classes of cone cells, each with a different spectral sensitivity, that gives us the ability to discriminate colors....

Penn researchers report that gene therapy awakens the brain despite blindness from birth

... to the blind also restores function to the brains visual center, a critical component of seeing. The mult...unction of the brain, leaving it unable to process visual information if sight is restored. Weve now challenged that view. The results support the potentia...

Which came first: Primates' ability to see colorful food or see colorful sex?

...s gregarious mating systems that would help in the visual comparison of potential mates. Furthermore, the c...lated evolution of red-orange pelage and skin with visual capacity was even more pronounced in species that possessed both gregariousness mating systems and t...

Virginia Tech researchers to study poplar tree as model biomass crop

... of protein interactions that will give scientists visual clues about the molecular biology of poplar cell wall-related biomass production. These research projects build upon DOEs strategic investments in genomics and biotechnology and strengthen our commitment to developing a robust bioenergy future vita...

News tips from the Journal of Neuroscience

...ments. During 200 presentations of the same moving visual stimulus, monkeys showed trial-to-trial variations..., whereas noise in the initiation phase arose from visual processing. The NF1 Protein and Long-Term Memory in the Fly Ivan Shun Ho, Frances Hannan, Hui-...

Reconstructing the biology of extinct species: A new approach

...g the neck and eye muscles to reflexively keep the visual image stable. The basic hypothesis of the proj...st evolve accordingly," Walker explains. From the visual information, the animal tracks its position relative to stationary objects such as tree trunks, bran...

Fruit bats are not 'blind as a bat'

...ot echolocate. They have large eyes and pronounced visual centres in the brain. Fruit bats need a good sense...ined the retinas of various fruit bat species with visual pigment-specific antibodies. As expected, all megabats had high densities of rod photoreceptors, the...

News tips from the Journal of Neuroscience

...(Gerbers pureed sweet potatoes and turkey) after a visual conditioned stimulus (CS). The authors made simultaneous recordings from neurons in mPFC, perirhinal (PR) cortex, and entorhinal (ER) cortex. They then measured correlated activity in ER and PR that followed firing of mPFC neurons. Early in the train...

Sleep deprivation affects airport baggage screeners' ability to detect rare targets

...who participated in a 36-hour constant routine. A visual search task was administered every two hours. The subjects reported whether a target was present in a set of simultaneously presented distractors. According to the results, sleep deprivation induced a speed/accuracy trade-off, in that the search ra...

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(Date:7/24/2014)... 24, 2014) Scientists at The New York ... step closer to creating a viable cell replacement ... cells. , For the first time, NYSCF ... from skin samples of patients with primary progressive ... protocol to induce these stem cells into becoming ...
(Date:7/24/2014)... 2014) Scientists at The New York Stem ... closer to creating a viable cell replacement therapy ... , For the first time, NYSCF scientists ... skin samples of patients with primary progressive multiple ... to induce these stem cells into becoming oligodendrocytes, ...
(Date:7/24/2014)... identified two factors that characterize sustainable university and ... highly qualified physics teachers. Specifically, one or more ... education in combination with institutional motivation and commitment ... Technology, Engineering and Math (STEM) teacher shortages are ... the way for institutions seeking to increase the ...
Breaking Biology News(10 mins):NYSCF scientists one step closer to cell therapy for multiple sclerosis patients 2NYSCF scientists 1 step closer to cell therapy for multiple sclerosis patients 2Creating sustainable STEM teacher preparation programs 2
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