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Tag: "faces" at biology news

Memory loss affects more of the brain than previously thought

...t required 40 patients to recall names of familiar faces and to learn and recall unfamiliar face-name associations. All patients showed brain activation in several brain regions during the task, but, compared with the controls, the patients with MCI showed a lower level of activation in the prefrontal cort...

ANU scientists crack DNA replication mystery

...e copied in a way that stops the replisome when it faces in one direction, but not in the other. How it can work this way has been a long standing puzzle. The ANU team finally solved the important question of how TUS stops the replisome in this directional manner. "When the replisome comes along from one ...

Is the brain wired for faces?

...out how humans perform this task. "We found that faces aren't special in the way many scientists once tho...s a strong effect on people's ability to recognize faces whereas the ability to recognize other objects, such as houses, is affected only slightly. "We thin...

Scientists discover new genetic subtypes of common blood cancer

... based on an algorithm designed to recognize human faces plucked the four distinguishing gene patterns out of a landscape of many DNA alterations in the myeloma genome, the researchers report in the April issue of Cancer Cell. These results "define new disease subgroups of multiple myeloma that can be cor...

Face perception is modulated by sexual orientation

...ous studies have shown that the neural response to faces is modulated by cognitive factors such as familiar...recent empirical evidence indicates that emotional faces (e.g., happy, fearful, or angry faces) evoke stronger neural activation than neutral faces, presumab...

UC Riverside psychologist explores human perception, finds 'wow factor'

...lindfolded. Rosenblum's research explores speech, faces and hearing from an ecological perspective. Ecolog...nblum said. "We also read faces. The ways people's faces move as they speak adds to what we comprehend." The ambient sound in any room also offers more info...

'Word-vision' brain area confirmed

..., as opposed to recognizing other objects, such as faces or houses. And people with lesions in the region lose the ability to recognize whole words--reduced to letter-by-letter reading. However, fMRI studies cannot demonstrate a causal role for the VWFA, and lesions involving the VWFA invariably involved o...

How 'hot' emotional brain interferes with 'cool' processing

...ether it was one of the original "to-be-memorized" faces or a new face. Throughout the tests, the subjects' brains were scanned using fMRI. This widely used technique involves using harmless magnetic fields and radio waves to scan the brain to detect levels of blood flow, which indicates increased or decr...

Aggression-related gene weakens brain's impulse control circuits

... emotionally evocative pictures ?angry and fearful faces ?subjects with L showed higher activity in the fear hub (amygdala). At the same time, decreased activity was observed in higher brain areas that regulate the fear hub (cingulate, orbital frontal, and insular cortices) ?essentially the same circuit th...

In the mind's eye: How the brain makes a whole out of parts

...ne discriminations ?such as recognizing individual faces ?take longer to happen, and our study suggests that this delay depends upon emerging signals for combinations of shape fragments. In a sense, the brain has to construct an internal representation of an object from disparate pieces." In the long term...

Male rivalry increases when females at most fertile, say researchers

...on ?and is therefore more fertile. Images of male faces that were either high or low in dominant features,...traception and were near ovulation rated masculine faces more dominant than those participants with partners who did use oral contraception and were not near...

Should doctors tell patients about expensive, unfunded drugs?

...tion of distributing limited resources fairly that faces not just new drugs, but many forms of modern technological care. "The gap between what we can do and what we can afford will continue to grow, at a personal and community level." The issue of accessing new expensive drugs has no easy solution, they...

Discovering the first steps in transcription-coupled repair

...w older, CS sufferers look increasingly aged, with faces marked by sunken eyes. Average life expectancy is only 12 years and few survive their teens. Cockayne Syndrome usually results from mutations in one of two genes, CSA or CSB, although mutations in three XP-associated genes -- XPB, XPD, and XPG -- can...

Older female fish prefer imperfect male mates, study finds

...es and males tested for preference for symmetrical faces was only 20.3 years and 19.5 years, she said. The swordtail fish used in the latest research are two species of Mexican fish, Xiphophorus cortezi and Xiphophorus malinche. Because the genetic makeup of these fish is well known, researchers often use ...

Brain activity related to processing faces is similar in people with, without autism

...isplayed pictures of arrows (non-social items) and faces (social items) and were asked to report the direct...arrows or five faces. Sometimes all the arrows and faces were oriented in the same direction. At other times, the central arrow or face was in the opposite d...

Researchers know what you were about to say; fMRI used to detect memory storage and retrieval

...ame the celebrities. According to Polyn, objects, faces and locations are all stored differently in the brain. When the participants moved from one category to another, the researchers noted a corresponding shift in brain activity. "The results of this experiment suggest that when we think back to the p...

Emerging staph strains found to be increasingly deadly and deceptive

...etigo, which typically forms small blisters on the faces of children, or cellulitis, an inflammation of skin or muscle tissue, can easily be treated and usually resolve in a matter of days. But S. aureus disease also can be much more severe and difficult to treat, affecting vital organs and leading to toxi...

Monkeys understand numbers across senses

...ch the number of voices they hear to the number of faces they expect to see, Duke University scientists have found. The finding indicates that numerical perception is truly an abstract concept and not just a function of a particular sense, said the researchers. The experimental approach also will lead to f...

Scientists uncover new clues about brain function in human behavior

...ticipants pictures of angry or fearful faces. Such faces are known to be highly socially relevant danger si...r a plane crash), which did not have any people or faces in them and thus had no immediate social component. In remarkable contrast to the response to faces,...

'Shifty-eyed' Monkeys Offer Window Into Brain's Social Reflexes

...g when you're sitting there, and you look at these faces pop up,' he said. 'You feel yourself wanting to look in that same direction.' Platt said that the finding offers the promise of a manipulable animal model of 'social attention' -- how the human brain assesses the goals and intentions of other humans ...

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