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A 'traffic light' for neurons means 'go' for improving brain research
04-04-2007 · EurekAlert!New Stanford-led research published in the April 5 issue of Nature describes a technique to directly control brain cell activity with light. It is a novel means for experimenting with neural circuits and could eventually lead to therapies for some disorders.
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Keywords: traffic, light, neurons, means, brain, research, neuron, mean
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- Experience affects new neuron survival in adult brain; study sheds light on learning, memory
03-22-2007 · EurekAlert!
Experience in the early development of new neurons in specific brain regions affects their survival and activity in the adult brain, new research shows. How these new neurons store information about these experiences may explain how they can affect learning and memory in adults.
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- MIT: Pulsing light silences overactive neurons
03-27-2007 · EurekAlert!
Scientists at the MIT Media Lab have invented a way to reversibly silence brain cells using pulses of yellow light, offering the prospect of controlling the haywire neuron activity that occurs in diseases such as epilepsy and Parkinson's disease.
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- Engineers' pulsing light silences overactive neurons
03-27-2007 · Massachusetts Institute of Technology (MIT)
Scientists at the MIT Media Lab have invented a way to reversibly silence brain cells using pulses of yellow light, offering the prospect of controlling the haywire neuron activity that occurs in diseases such as epilepsy and Parkinson's disease.
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- Carnegie Mellon study reveals that odor discrimination is linked to the timing at which neurons fire
11-07-2006 · EurekAlert!
Timing is everything. For a mouse trying to discriminate between the scent of a tasty treat and the scent of the neighborhood cat, timing could mean life or death. In a striking discovery, Carnegie Mellon University scientists have linked the timing of inhibitory neuron activity to the generation of odor-specific patterns in the brain's olfactory bulb, the area of the brain responsible for distinguishing odors.
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- Obesity research boosted by watching hunger in the brain
11-07-2007 · EurekAlert!
Scientists can now measure how full or hungry a mouse feels, thanks to a new technique which uses imaging to reveal how neurons behave in the part of the brain which regulates appetite. Researchers hope the technique, which uses magnetic resonance imaging, will enable a far greater understanding of why certain people become obese when others do not, and why different people have different appetites.
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- Studies yield insight into the numerical brain
01-17-2007 · EurekAlert!
Two studies in the Jan. 18, 2007, issue of the journal Neuron, published by Cell Press, shed significant light on how the brain processes numerical information--both abstract quantities and their concrete representations as symbols. The researches said their findings will contribute to understanding how the brain processes quantitative information as well as lead to studies of how numerical representation in the brain develops in children. Such studies could aid in rehabilitating people who suffer from dyscalculia -- an inability to understand, remember and manipulate numbers.
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- Neuron cell stickiness may hold key to evolution of the human brain
11-02-2006 · EurekAlert!
The stickiness of human neurons may have been a key factor in why the human brain evolved beyond the brains of our primate relatives. In a study comparing the genomes of humans, chimpanzees and other vertebrates, researchers at the US Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and Joint Genome Institute (JGI) found a strikingly high degree of genetic differences in DNA sequences that appear to regulate genes involved in nerve cell adhesion molecules.
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- Researchers hot on the trail of brain cell degeneration
03-19-2007 · EurekAlert!
A research team headed by Academy Research Fellow Michael Courtney has identified a new molecular pathway in neurons. The pathway is a factor in the degeneration of brain cells, which in turn plays an important role in neurological conditions and diseases, such as Alzheimer's disease, epilepsy and stroke.
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- Discovery supports theory of Alzheimer's disease as form of diabetes
09-26-2007 · EurekAlert!
Insulin may be as important for the mind as it is for the body. Recent research has raised the possibility that Alzheimer's memory loss could be due to a novel third form of diabetes. Scientists at Northwestern University have discovered why brain insulin signaling would stop working in Alzheimer's disease. They have shown that a toxic protein found in the brains of individuals with Alzheimer's removes insulin receptors from nerve cells, rendering those neurons insulin-resistant.
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- Research on the color red shows definite impact on achievement
02-28-2007 · EurekAlert!
The color red can affect how people function: Red means danger and commands us to stop in traffic. Researchers at the University of Rochester have now found that red also can keep us from performing our best on tests.
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