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Brain works more chaotically than previously thought
02-27-2007 · EurekAlert!The brain appears to process information more chaotically than has long been assumed. This is demonstrated by a new study conducted by scientists at the University of Bonn.
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- Brain cells work differently than previously thought
08-19-2007 · EurekAlert!
Scientists know that information travels between brain cells along hair-like extensions called axons. For the first time, researchers have found that axons don't just transmit information -- they can turn the signal up or down with the right stimulation. This finding may help scientists develop treatments for psychiatric disorders such as depression and schizophrenia in which it is thought that different parts of the brain do not communicate correctly with each other.
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- MIT: Stem-cell therapies for brain more complicated than thought
11-27-2007 · EurekAlert!
An MIT research team's latest finding suggests that stem cell therapies for the brain could be much more complicated than previously thought.
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- Sight, sound processed together and earlier than previously thought
10-29-2007 · EurekAlert!
The area of the brain that processes sounds entering the ears also appears to process stimulus entering the eyes, providing a novel explanation for why many viewers believe that ventriloquists have thrown their voices to the mouths of their dummies.
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- Child-proof: Brain Mapping Safer For Children Than Previously Thought, Study Shows
10-06-2006 · ScienceDaily
Dispelling a stubborn myth, researchers at Johns Hopkins have shown that children with strokes, brain tumors and other cerebrovascular diseases can safely undergo a potentially life-saving brain-mapping test that many doctors have long shunned over concerns for side effects. Analysis of 241 cerebral angiograms performed on 205 children at the Johns Hopkins Children's Center between 1999 and 2006 showed that not a single patient suffered complications during or immediately following the procedure.
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- New study indicates that people may need more dietary choline than previously thought
05-23-2007 · EurekAlert!
A new study published in the May issue of the American Journal of Clinical Nutrition indicates that the current recommended Adequate Intake (AI) for choline may, in fact, be inadequate for some people. Choline is an essential nutrient for normal functioning of all cells, including those involved with liver metabolism, brain and nerve function, memory, and the transportation of nutrients throughout the body.
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- Brainstem abnormality link to SIDS stronger than previously indicated
10-31-2006 · EurekAlert!
Preliminary research suggests that brainstem abnormalities involving certain serotonin pathways in the brain may play a more important role in SIDS than previously thought, according to an article in the Nov. 1 issue of JAMA.
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- Calcium is spark of life, kiss of death for nerve cells
02-28-2007 · EurekAlert!
Oregon Health & Science University research shows how calcium regulates the recharging of high-frequency auditory nerve cells after they've fired a signal burst. The study indicates calcium ions play a greater role in keeping in check the brain's most powerful circuits, such as those used for processing sound signals, than previously thought. A better understanding of that role could someday help prevent the death of neurons behind such neurological disorders as stroke and multiple sclerosis.
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- Study sheds important new light on inherited disorder causing iron overload
01-16-2008 · EurekAlert!
Research in today's New England Journal of Medicine shows hereditary hemochromatosis is much more common than previously thought and will spur more study to determine who is most likely to develop complications from the debilitating and potentially fatal disease, write two faculty members at the Saint Louis University School of Medicine. Their work appears in an editorial in the NEJM that accompanies the research.
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- Study suggests loss of 2 types of neurons -- not just 1 -- triggers Parkinson's symptoms
08-13-2007 · EurekAlert!
New evidence indicates that the loss of two types of brain cells -- not just one as previously thought -- may trigger the onset of symptoms associated with Parkinson's disease. The evidence, based on mouse models, shows a link between the loss of both norepinephrine and dopamine neurons and the delayed onset of symptoms associated with Parkinson's disease. It was originally thought that the loss of only dopamine neurons triggered symptoms. Dopamine is a neurotransmitter critical for coordinating movement.
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- Mutant sperm guide clinicians to new diseases
12-02-2007 · EurekAlert!
New research published in Nature Genetics shows that some rearrangements of the human genome occur more frequently than previously thought. The work is likely to lead to new identification of genes involved in disease and to improve diagnosis of genomic disease. Researchers from the Wellcome Trust Sanger Institute looked at four regions in the genome where rearrangements cause so-called "genomic disorders," and found that some rearrangements were found in sperm much more frequently than expected.
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