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Tag: "discern" at biology news

A frown or a smile? Children with autism can't discern

...ndirect gaze. “This part of the brain helps us discern the meaning and significance of what another person is thinking,?Davies said. “When responding to someone looking straight at you, as compared to someone who’s looking away, the brain discerns a difference. When the other person looks away, the brain...

Action video games sharpen vision 20 percent

... crowding test, which measured how well they could discern the orientation of a "T" within a crowd of other distracting symbols—a sort of electronic eye chart. Students were then divided into two groups. The experimental group played Unreal Tournament, a first-person shoot-'em-up action game, for roughly an ...

Bisexual fruit flies show new role for neurochemical

Fruit flies' ability to discern one sex from another may depend on the number of receptors on the surface of nerve cells, and the number of receptors is controlled by levels of a ubiquitous brain chemical, University of Illinois at Chicago researchers have found. Everything from t...

New study challenges 'critical period' in childhood vision development

...surgery, the researchers found that she is able to discern between separate objects, determine depth, localize faces amongst a background of natural scenes, and match faces by their identity. This case demonstrated that a person can acquire visual function even after being deprived of sight for an extended ...

Tears reveal some of their deepest secrets to researchers

... with varying oleamide levels, then we may be able discern one cause of dry eye, and specifically treat that. "Even though two people with dry eye may have the same symptoms, there may be very different causes underlying those symptoms." ...

Embryonic patterning makes the feathers fly

...nd if it was just one pathway) was unknown. To discern which pathway mediates FGF activity during skin patterning, the researchers set up a cultured embryonic chicken skin model and targeted a variety of potential downstream signaling pathways with specific inhibitors. They got their biggest hits with th...

Silver bullet: UGA researchers use laser, nanotechnology to rapidly detect viruses

...ial to detect a single virus particle and can also discern virus subtypes and those with mutations such as gene insertions and deletions. This specificity makes it valuable as a diagnostic tool, but also as a means for epidemiologists to track where viruses originate from and how they change as they move thr...

Psst! Coffee drinkers: Fruit flies have something to tell you about caffeine

...nt for genes and proteins that explain how animals discern bitter from sweet, a team of Johns Hopkins researchers began by testing whether mutant fruit flies prefer eating sugar over sugar laced with caffeine. Using a simple behavioral test, the researchers discovered that a single protein missing from the ...

Chemotherapy temporarily affects the structures of the human brain

...on, lack of controls in studies makes it difficult discern cancer- versus drug-effects. Led by Masatoshi Inagaki, M.D., Ph.D., of the Breast Cancer Survivors' Brain MRI Database Group in Japan, researchers used MRI to take high-resolution images and measure volumes in specific areas of the brain of breast...

K-Staters design and build a low-cost remote sensing tool for environmental studies

...osynthesizing at a high rate? We should be able to discern that information down to pixels representing less than a square foot of land area." ...

New light microscope sharpens scientists' focus

... that it allows scientists peering inside cells to discern the precise location of nearly each individual protein they are studying has been developed and successfully demonstrated by scientists at the Howard Hughes Medical Institute's Janelia Farm Research Campus in collaboration with researchers at the Nat...

Scientists discover a genetic code for organizing DNA within the nucleus

...nough information for the transcription factors to discern between them. The scientists showed that basic information on the functional relevance of a binding site is at least partially encoded in the nucleosome positioning code: The intended sites are found in nucleosome-free segments, thereby allowing them...

Rare Chinese frogs communicate by means of ultrasonic sound

...ave always been fascinated by how some animals can discern their world through a sensing system vastly different from our own," Feng said. "The electromagnetic sense in fishes and homing pigeons, polarized light vision in ants, chemical sensing of pheromones in insects and rodents, echolocation by ultrasound...

Immune system response to viral DNA is unique

...he mechanisms of antiviral responses and how cells discern viral and self-DNA." ...

Similar Stem Cells In Insect And Human Gut

...nhibit the contraction, to freeze-frame it, and to discern details of the calcium fuel system. Earlier research had identified a cellular protein, spasmin, as the possible calcium-responsive component of the stalk. "The Vorticella spasmins are now known to belong to the centrin family of calcium-binding pr...

Are U.S. Flu Death Figures More PR Than Science?

...nhibit the contraction, to freeze-frame it, and to discern details of the calcium fuel system. Earlier research had identified a cellular protein, spasmin, as the possible calcium-responsive component of the stalk. "The Vorticella spasmins are now known to belong to the centrin family of calcium-binding pr...

Nano springs eternal; Protozoan 'engine' posts nano records

...nhibit the contraction, to freeze-frame it, and to discern details of the calcium fuel system. Earlier research had identified a cellular protein, spasmin, as the possible calcium-responsive component of the stalk. "The Vorticella spasmins are now known to belong to the centrin family of calcium-binding pr...

Scientists use gene transfer technology and common virus to block neuropathic pain

...ons of a rat. So we study the animals' behavior to discern whether they are experiencing pain using standard models used to assess pain in rodents." One of the effects of neuropathic pain is called allodynia, which means that even ordinary touch feels painful. In both rats and people, scientists measure all...

Scientists use gene transfer technology and common virus to block neuropathic pain in animals

...ons of a rat. So we study the animals' behavior to discern whether they are experiencing pain using standard models used to assess pain in rodents.?/p> One of the effects of neuropathic pain is called allodynia, which means that even ordinary touch feels painful. In both rats and people, scientists measu...

Analysis of flower genes reveals the fate of an ancient gene duplication

In a step that advances our ability to discern the ancient evolutionary relationships between different genes and their biological functions, researchers have provided insight into the present-day outcome of a single gene duplication that occurred over a hundred million years ago in an ancestor o...

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