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Common algae helps illustrate mammalian brain electrical circuitry
04-18-2007 · EurekAlert!Mice whose brain cells respond to a flash of light are providing insight into the complexities of the sense of smell and may ultimately yield a better understanding of how the human brain works.
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Keywords: algae, illustrate, mammalian, brain, electrical, circuitry
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- Algae Provide New Clues To Cancer
10-13-2006 · ScienceDaily
A microscopic green alga helped scientists at the Salk Institute for Biological Studies identify a novel function for the retinoblastoma protein (RB), which is known for its role as a tumor suppressor in mammalian cells. By coupling cell size with cell division, RB ensures that cells stay within an optimal size range.
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- Hypnosis study reveals brain's 'amnesia centers'
01-09-2008 · EurekAlert!
Brain scans of hypnotized people that are taken as they forget and are triggered to remember have revealed neural circuitry that is key to the memory suppression and recall process. The researchers who conducted the study said their insights into the memory suppression and recall process may yield insight into the mechanisms underlying amnesia.
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- Algae provide new clues to cancer
10-12-2006 · EurekAlert!
A microscopic green alga helped scientists at the Salk Institute for Biological Studies identify a novel function for the retinoblastoma protein (RB), which is known for its role as a tumor suppressor in mammalian cells. By coupling cell size with cell division, RB ensures that cells stay within an optimal size range.
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- Nerve fibers need specific growth factor chemical to form connections within the brain
11-17-2006 · EurekAlert!
A discovery on how neural circuitry develops to aid proper cerebral cortex activity may help explain the memory and cognitive decline seen in Alzheimer's disease patients -- a discovery that could point toward potential treatments, according to UC Irvine scientists.
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- Tracing broken wiring in stroke patients
03-14-2007 · EurekAlert!
Researchers have used a technique to trace the functional disruption in brain circuitry that causes stroke patients to show a lack of awareness or response to the side of the body opposite to the side of the stroke lesion in the brain. The researchers said their findings shed new light on the neurological details of this "spatial neglect."
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- Newborn neurons like to hang with the 'in' crowd
05-07-2007 · EurekAlert!
Like any new kid on the block that tries to fit in, newborn brain cells need to find their place within the existing network of neurons. The newcomers jump right into the fray and preferentially reach out to mature brain cells that are already well-connected within the established circuitry, report scientists at the Salk Institute for Biological Studies in the online edition of Nature Neuroscience.
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- Study advances evidence for receptor's role in alcohol pleasure and problems
03-06-2007 · EurekAlert!
A genetic variant of a receptor in the brain's reward circuitry heightens the stimulating effects of early exposures to alcohol and increases alcohol consumption, according to a new study by NIAAA researchers. Conducted in rhesus monkeys, the study extends previous research that suggests an important role for a similar brain receptor variant in the development of human alcohol use disorders. The findings appear in the March, 2007 issue of the Archives of General Psychiatry.
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- Reading a face is tricky business
07-31-2007 · EurekAlert!
Reading the face of a person who is trying to conceal fear or other emotions is tricky business, according to a new Northwestern University study of electrical activity in the brain. Though such "microexpressions" as a brief flash of fear are unlikely to be consciously noticed, they still may seep into the visual system, bubbling just beneath consciousness, and affect how you treat and judge others.
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- CSHL scientists make progress in determining how the brain selectively interprets sound
01-29-2008 · EurekAlert!
Scientists at Cold Spring Harbor Laboratory have reported new findings about how the mammalian brain interprets and fashions representations of sound that may help explain how we are able to focus on one particular sound among many in noisy environments such as offices or cocktail parties.
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- Brain's fear center likely shrinks in autism's most severely socially impaired
12-04-2006 · EurekAlert!
The brain's fear hub likely becomes abnormally small in the most severely socially impaired males with autism spectrum disorders. Teens and young men who were slowest at distinguishing emotional from neutral expressions and gazed at eyes least -- indicators of social impairment -- had a smaller than normal amygdala. Siblings of people with autism share some of the same differences in amygdala volume, and in the way they look at faces and activate social/emotional brain circuitry.
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