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A Novel Mechanism of Manganese-Induced Neurological Dysfunction Discovered
For decades, scientists have known that chronic exposure to high concentrations of the metal manganese can cause movement abnormalities resembling symptoms of Parkinson's disease, but apparently without the same neuron damage characteristic of Parkinson's patients. view more (2006-08-29)
Nerves controlling muscles are best repaired with similar nerves
When repairing severed or damaged motor nerves with a donor nerve graft, surgeons have traditionally used a sensory nerve from another area of the patient's body. However, these patients often do not fully regain function in the injured area. view more (2007-05-14)
Insight into dopamine role suggests new treatment pathway for Parkinson's
Dopamine (DA) not only functions as a neurotransmitter, a chemical messenger between neurons by which one neuron triggers another, researchers have found. view more (2006-10-19)
Mutation may cause inherited neuropathy
Mutations in a protein called dynein, required for the proper functioning of sensory nerve cells, can cause defects in mice that may provide crucial clues leading to better treatments for a human nerve disorder known as peripheral neuropathy, which affects about three percent of all those over age 60. view more (2007-12-26)
Scientists produce neurons from human skin
Scientists from Université Laval's Faculty of Medicine have succeeded in producing neurons in vitro using stem cells extracted from adult human skin. view more (2007-02-23)
Researchers separate analgesic effects from addictive aspects of pain-killing drugs
For the first time, pain researchers at Washington University School of Medicine in St. Louis have shown that it's possible to separate the good effects of opiate drugs such as morphine (pain relief) from the unwanted side effects of those drugs (tolerance, abuse and addiction). view more (2007-08-22)
EU supports companies in saving electricity
Companies could lower their electricity costs for Motor Driven Systems by up to 30 per cent. Many of the measures necessary to do so are profitable in less than three years. This has been shown by studies of the Fraunhofer Institute for Systems and Innovation Research ISI, Karlsruhe. The EU Commission now wishes to support interested companies in... view more... (2002-10-28)
Magnetic brain stimulation improves skill learning
The use of magnetic pulses to stimulate the dorsal premotor cortex (PMd) region of the brain results in an improved ability to learn a skilled motor task. view more (2009-07-07)
Researchers pinpoint molecular basis for phantom pain
Yale researchers report the first evidence that phantom pain following spinal cord injury is the result of hypersensitive neurons in the thalamic region of the brain that can be suppressed with specially designed molecular agents. view more (2005-09-21)
Glaucoma patients at significantly higher risk for falls, motor vehicle accidents
Persons affected by glaucoma are over three times more likely to have been involved in falls and motor vehicle accidents than persons of the same age without the condition, say researchers from Dalhousie University in Canada. view more (2007-03-01)
Neurons for numerosity: Parietal neurons 'sum up' individual items in a group
As any child knows, to answer the question "how many," one must start by adding up individual objects in a group. view more (2007-07-24)
A balanced memory network
Ever wonder how much information we put in our heads" The answer: a lot. For starters, a typical vocabulary is 50,000-250,000 words. view more (2007-09-07)
Silence the gene, save the cell: RNA interference as promising therapy for ALS
Scientists at the Ecole Polytechnique Fédérale de Lausanne (EPFL) in Switzerland have used RNA interference in transgenic mice to silence a mutated gene that causes inherited cases of amytrophic lateral sclerosis (ALS), substantially delaying both the onset and the progression rate of the fatal motor neuron disease. Their results... view more... (2005-03-09)
UCLA researchers show that culture influences brain cells
A thumb's up for "I'm good." The rubbing of a pointed forefinger at another for "shame on you." The infamous and ubiquitous middle finger salute for-well, you know. view more (2007-07-18)
Experience affects new neuron survival in adult brain; study sheds light on learning, memory
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. view more (2007-03-23)
Driving Fatalities Surge on US Presidential Election Days
Sunnybrook researcher Dr. Donald Redelmeier and Stanford University statistician Robert Tibshirani have found an increased risk of fatal motor vehicle crashes on United States (US) presidential election days. view more (2008-10-01)
Not all embryonic stem cell lines are created equal
When it comes to generating neurons, researchers have found that not all embryonic stem (ES) cell lines are equal. In comparing neurons generated from two NIH-approved embryonic stem cell lines, scientists have uncovered significant differences in the mature, functioning neurons generated from each line. view more (2007-08-07)
High exposure to motor oil increases chances of developing arthritis
Occupational exposure to mineral oils, in particular hydraulic or motor oil, increases the risk of developing rheumatoid arthritis by 30%. These are the results of a study published today in Arthritis Research & Therapy. view more (2005-09-23)
Screening for anaemia before 8 months could prevent developmental delays
Screening infants for anaemia before they are 8 months old could prevent developmental delays, shows research in the Archives of Disease in Childhood. The prevalence of anaemia in the UK is estimated to be between 12 and 30 per cent, and is a particular problem in deprived inner city areas. Researchers monitored the development of children born... view more... (2001-05-17)
A good ear: Rats identify specific sounds in noisy environments
A study conducted on hundreds of rats could help us understand how the brain identifies specific sounds in a noisy environment. view more (2008-11-19)
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