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Tag: "attention" at biology news

Researchers seek to design first treatment for neuroAIDS

...efore combination therapy, they now gradually lose attention span, memory, speaking ability and decision-making skills despite the best available treatment. The realization that anti-viral drugs do not cure HAD led researchers to ask whether there is something else about HIV besides its attack on immune cells ...

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

...ad to neurodevelopmental disorders (NDDs)--autism, attention deficit disorder (ADHD), and mental retardation. S... consequences from lead exposure include shortened attention spans, slowed motor coordination and heightened aggressiveness, which can lead to problems in school...

The subtleties of tropical forest demise

... new and growing dangers to tropical forests, much attention is focused on strategies for mitigating and alleviating the emerging threats. "We designed this book for a very broad audience," said Laurance. "It's for anyone interested in the fate and survival of tropical ecosystems. "The book includes synthes...

Reef warns of sea level rise

... phase," he said. "We should certainly be paying attention to what the corals are telling us." ...

Memories: It's all in the packaging, scientists say

...ossible to remember things later if you didn't pay attention to them in the first place." The scientists presented 23 research subjects with a list of words while they underwent an fMRI scan. The words were in different colors and would appear in one of four quadrants on a screen. The subjects had to decide...

Computer scientists unravel 'language of surgery'

...s. Just as a speech recognition program might call attention to poor pronunciation or improper syntax, the system being developed by Hager's team might identify surgical movements that are imprecise or too time-consuming. But to get to that point, computers first must become fluent in the "language" of surge...

Ancient ape ruled out of man's ancestral line

...And Drs Latham and Cliff have now turned their own attention to further Australopith findings at Makapansgat, also in South Africa, where other specimens of Australopithecus have been found....

Replacing insulin is top-ranked breakthrough foreseen for health in developing world

...eir economic position and on the level of research attention a particular regenerative medicine application is receiving in industrialized nations. However, as highlighted in the 2005 report of the UN Task Force on Science, Technology, and Innovation, domestic innovation by developing countries is important a...

New research shows big improvement in survival after stroke

...ation, brain imaging (CT or MRI scans) and medical attention have all increased dramatically over the period. "In 1981, 64% of patients were admitted to hospital and 13% would have brain imaging. In 2003, 92% of patients were being admitted to hospital with 90% receiving scans. This improved level of stroke ...

New dyslexia theory blames 'noise'

...al development is quite general and has to do with attention in a broad sense.... "This is a great paper of ...[of Boston University] have argued for many years, attention ... is crucial for stable learning of categories." Ziegler called for preventive training for ch...

Slow brain waves play key role in coordinating complex activity

..., and is tied to top-down executive processes like attention and memory. Coupling between these two rhythms could be what gives the brain a way to connect low-level perceptions and actions to high-level goals and intentions." Brain waves - such as the slow alpha waves of the relaxed or idling brain or the fas...

Altered perception of reward in human cocaine addiction

...iven a monetary reward for their performance on an attention task. Subjects were given one of three amounts (no money, one cent, or 45 cents) for each correct response, up to a total reward of $50 for their performance. The researchers also asked the subjects how much they valued different amounts of monetary ...

A natural chemical found in strawberries boosts memory in healthy mice

... time exploring the old one and instead turn their attention to the novel object. Indeed, mice administered a single dose of fisetin could better recall familiar objects. In fact, fisetin worked almost as well as rolipram, a substance known to enhance memory. Memory loss caused by neurodegenerative disease...

New dwarf buffalo discovered by chance in the Philippines

... donated them to The Field Museum. If not for the attention and foresight of these two individuals, science might never have documented what has turned out to be an extremely unusual species of dwarf water buffalo, now extinct. The new species, described in the October issue of the Journal of Mammalogy, has...

Brains can recover from alcoholic damage but patients should stop drinking as soon as possible

...d with the patients performing better in a test of attention and concentration. Only one patient seemed to cont...pecific test (the d2-test) that primarily measures attention and concentration [2]. Dr Bartsch said: "After short-term sobriety of less than two months, we fo...

Dragonfly's metabolic disease provides clues about human obesity

...abolic disease?" Marden and Schilder asked. "More attention should be paid to the microbial balance in the intestines of people who suffer from obesity," said Schilder. "It seems plausible that disturbance in the microbial community in humans might trigger these inflammatory responses." There are some oth...

Walking not enough for significant exercise benefits

...umber of daily steps accumulated, and not pay much attention to the pace or effort invested in taking those steps," Dr. Harber said. "The 10,000-step or pedometer-based walking programs are great for people--they are motivating, and provide an excellent starting point for beginning an activity program, but to ...

Emotional control circuit of brain's fear response discovered

...y accomplished this using an adapted version of an attention control test, and a neuroimaging machine that enables analysis of function in the brain. Published in the Sept. 21, 2006 issue of Neuron, the research is a continuation of work led by senior author Joy Hirsch, Ph.D., professor of neuroradiology and...

Paying attention sets off symphony of cell synchronization

...u know the sensation. When something has your full attention you see it vividly. And when you don't pay attenti...w Northwestern University study sheds light on how attention operates. The mystery of how attention improves the perception of incoming sensory stimulation has ...

Study offers window into human behavior, brain disease

...e frontal lobes. The cells received only limited attention in the ensuing years, but in the meantime scientists determined that the brain regions in which von Economo neurons arise -- the anterior cingulate and frontoinsular cortex -- are key targets of frontotemporal dementia. And in 1999, a team of U.S. sc...

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