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Tag: "intelligence" at biology news

Mimicking how the brain recognizes street scenes

...aving an impact on computer science and artificial intelligence (AI). For the first time, scientists in Tomaso Poggio's laboratory at the McGovern Institute for Brain Research at MIT applied a computational model of how the brain processes visual information to a complex, real world task: recognizing the objects ...

Common gene version optimizes thinking -- but with a possible downside

...ation, affecting a range of functions from general intelligence to attention. Three fourths of subjects studied had at least one copy of the version that results in more efficient filtering of information processed by the brain's executive hub, the prefrontal cortex. However, the same version was also more pr...

Study shows hope for early diagnosis of Alzheimer's

...nal processing, pattern recognition and artificial intelligence techniques to explore the hypothesis that the entire ERP signal, not just the P300 indicator, reveals markers that previously have not been associated with Alzheimer’s disease. The teams conducted several experiments, ultimately evaluating the par...

Genes and biomarkers that allow doctors to choose the right therapy for the right patient

...ict oncology drug response and much needed genomic intelligence to support commercial drug development. ...

Genes and genius: Researchers confirm association between gene and intelligence

...were those that had profoundly negative effects on intelligence ?genes that cause mental retardation, for example....k's team is not the first to notice a link between intelligence and the CHRM2 gene. In 2003, a group in Minnesota looked at a single marker in the gene and noted th...

A silent pandemic: Industrial chemicals are impairing the brain development of children worldwide

...ll important adverse effects, such as decreases in intelligence or changes in behavior. Grandjean and co-author Philip J. Landrigan, Professor at Mount Sinai School of Medicine, compiled a list of 202 environmental chemicals known to be toxic to the human brain using the Hazardous Substances Data Bank of the ...

Fishy cooperation

... this ladder has been challenged by claims of high intelligence and great social complexity in other animals. For ...ever, that our accounts overestimate the amount of intelligence that goes into complex behavior. Moreover, we have a tendency to underestimate the intelligence of a...

Disappearing nest egg: Researcher studying declining numbers of macaws

...itive to human emotions," he adds. "They use this intelligence to find food and to stay alive." Brightsmith spent several months recently in the Amazon rain forests of eastern Peru, where he runs a long-term macaw research project. He has learned that one reason the macaw populations are declining is du...

When nerve cells can't make contact

...l disability. Autistic individuals exhibiting high intelligence or outstanding skills in a particular area, called "savants", such as the main character in the film "Rain Man", are rare. Even up to the middle of the last century, exceptionally cold emotional behaviour on the part of the mother was given as the ...

3-D ultrasound scanner could guide robotic surgeries

...te lesions suspected to be cancer. As artificial intelligence technology improves in the coming decades, the scanner might even be able to guide surgical robots without the help of a surgeon, the researchers said. The 3-D ultrasound probe has yet to be tested in human patients, Smith said, but he added that h...

Robots manipulating animal behaviour

...uxelles, the project had its origins in collective intelligence and behaviour in animal society, as well as the tradition of using artificial agents to test theories about animals. "Robots have already been used to interact with some animals, such as bees. But they cannot react to the animals' response," he says....

Study finds 60 new genes controlled by DNA snippet

...believe that the real genetic gymnastics, the real intelligence of our system, is controlled by tiny bits of genetic material that tell genes what to do." "Junk DNA" No More Genes are the chains of deoxyribonucleic acids (DNA) that encode instructions for the building of proteins, the workhorses that make up ...

Newly discovered killer cell fights cancer

...eek out and destroy cancer. "In the same way that intelligence and law enforcement agencies can face deadly threats together instead of separately, this one cell combines the ability to kill foreign pathogens and distribute information about that experience," says Drew Pardoll, M.D., Ph.D., the Seraph Professor ...

Weizmann Institute suggests that immune cells help to maintain cognition and brain cell renewal

...e autoimmune T cells is not to affect the level of intelligence or motivation, but rather, to allow the organism to achieve the full potential of its brainpower. "These findings," she says, "give a new meaning to 'a healthy mind in a healthy body'. They show that we rely on our immune system to maintain brain fun...

Honeybee decision-making ability rivals any department committee

...st might help human committees "achieve collective intelligence and thus avoid collective folly," conclude the researchers. Whether the quorum-setting method of aggregating independent opinions could substitute for a democratic vote remains to be seen, but it sure could speed up the process toward a swift, but ...

Ahead of the game

...d to competition from modern humans, whose greater intelligence has been widely supposed to make them more efficient as hunters. However, a new study forthcoming in the February issue of Current Anthropology argues that the hunting practices of Neanderthals and early modern humans were largely indistinguishable, ...

Cortex matures faster in youth with highest IQ

... with environmental events, so the determinants of intelligence will likely prove to be a very complex mix of nature and nurture. Also participating in the study were Drs. Dede Greenstein, Liv Clasen, Rhoshel Lenroot, and Nitin Gogtay, Child Psychiatry Branch, NIMH; and Drs. Jason Lerch and Alan Evans, Montreal ...

Making medicine 'smarter'

...ng, with a specialization in methods of artificial intelligence that can be applied to medical imaging. Meyer-Baese recently became the first College of Engineering faculty member to receive a National Institutes of Health Career Award, which comes with $695,000 in research funding. With the money, she will lead...

Wild Gorillas Handy with a Stick

...n that tool use was not the sole province of human intelligence was difficult for some to accept. Though chimps, ... their skills, these observations suggest that the intelligence required for tool use evolved before the gorilla lineage split off from humans and the other great a...

Bigger brain size matters for intellectual ability

...es in intelligence. The study involved testing of intelligence in 100 neurologically normal, terminally ill volun...ferences between women and men. In women, verbal intelligence was clearly correlated with brain size, accounting for 36 percent of the verbal IQ score. In men, th...

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