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New research discovers independent brain networks control human walking
08-07-2007 · EurekAlert!In a study published in the August issue of Nature Neuroscience, researchers at the Kennedy Krieger Institute in Baltimore, Md., found that there are separate adaptable networks controlling each leg and there are also separate networks controlling leg movements, e.g., forward or backward walking. These findings are contrary to the currently accepted theory that leg movements and adaptations are directed by a single control circuit in the brain.
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Keywords: research, discovers, independent, brain, networks, control, human, walking, discover, network
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- Researchers map signaling networks that control neuron function
01-28-2008 · EurekAlert!
In the first large-scale proteomics study of its kind, researchers at the University of California-San Diego School of Medicine have mapped thousands of neuronal proteins to discover how they connect into complex signaling networks that guide neuron function. Their research -- using quantitative mass spectrometry, computational software and bioinformatics to match the proteins to their cellular functions -- may lead to a better understanding of brain development, neurodegenerative diseases, and spinal cord regeneration.
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- Brain network related to intelligence identified
09-11-2007 · EurekAlert!
Researchers have uncovered evidence of a distinct neurobiology of human intelligence. This Parieto-Frontal Integration Theory identifies a network related to intelligence, one primarily involving areas in the frontal and the parietal lobes. The data suggest that some of the brain areas related to intelligence are the same areas related to attention, memory and language. This possible integration of cognitive functions suggests that intelligence levels might be based on how efficient the frontal-parietal networks process information.
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- Scientists identify 2 distinct Parkinson's networks
07-09-2007 · EurekAlert!
Parkinson's that causes tremors, rigidity and slowed movements also targets another brain network that regulates cognitive thought and the ability to carry out everyday tasks. David Eidelberg, MD, head of the Center for Neurosciences at the Feinstein Institute for Medical Research, and his colleagues measured and quantified this network of brain regions during a five-year study of newly diagnosed Parkinson's patients who agreed to be followed several times over the course of the study.
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- Undergraduate research shows leaderless honeybee organizing
06-11-2007 · EurekAlert!
A new finding by an undergraduate scientist and a senior bee researcher gives new insight on the organization of honeybee colonies, which exhibit behavior rivaling human cultures in social complexity. The study reveals that major colony management activities are directed anonymously by hive workers using a nonspecific signal that modulates worker and queen behavior, and may have implications important for understanding other complex phenomena, from brain activity to terrorist networks.
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- Study shows how embryos regulate vitamin A derivatives
11-19-2007 · EurekAlert!
Human embryos that get too much or too little retinoic acid, a derivative of Vitamin A, can develop into babies with birth defects. New research at UC-Irvine shows for the first time how embryonic cells may regulate levels of retinoic acid, giving scientists insight into how it acts as a signal between cells to control development of the brain, limbs and many other tissues in embryos.
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- Smoking produces changes in human brain like those in animals using illicit drugs
02-20-2007 · EurekAlert!
New research shows for the first time that smoking produces long-lasting biochemical changes in the human brain similar to those changes previously seen in the brains of animals that used cocaine, heroin, and other illicit drugs.
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- 3-D fruit fly images to benefit brain research
09-04-2007 · EurekAlert!
In a paper published on September 5 in the online, open-access journal PLoS ONE, a team led by Mary O'Connell of the MRC Human Genetics Unit describe how they have already used an imaging technique called optical projection tomography (OPT) to image individual cavities within the brain of an aging fly and see the brain deteriorate. The OPT images could help to speed up genetic research into Alzheimer's and other human diseases affecting brain cells.
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- Brain networks strengthened by closing ion channels
04-20-2007 · EurekAlert!
Yale School of Medicine and University of Crete School of Medicine researchers report in Cell April 20 the first evidence of a molecular mechanism that dynamically alters the strength of higher brain network connections involved in working memory. This discovery may help the development of drug therapies for the cognitive deficits of normal aging, and for cognitive changes in schizophrenia, bipolar disorder, or attention deficit hyperactivity disorder (ADHD).
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01-31-2008 · EurekAlert!
Researchers from MIT and two Singaporean universities have launched a bold new international research program called CENSAM. The program will develop pervasive environmental sensor networks to collect data on parameters such as air and water quality from many sources, and use this data to provide accurate, real-time monitoring, modeling and control of the environment.
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04-20-2007 · EurekAlert!
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