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First semiconductor-based PET scanner demonstrates potential to aid in early diagnosis of disease
Evaluations of the first-ever prototype positron emission tomography (PET) brain scanner that uses semiconductor detectors indicate that the scanner could advance the quality and spatial resolution of PET imaging, according to researchers at SNM's 55th Annual Meeting. view more (2008-06-17)
A Neural Mosaic of Tones
The brain filters what we hear. It can do this in part because particular groups of neurons react to specific frequencies of sound. view more (2006-06-23)
Reduced brain volume may predict dementia in healthy elderly people
Reduced volume, or atrophy, in parts of the brain known as the amygdala and hippocampus may predict which cognitively healthy elderly people will develop dementia over a six-year period. view more (2006-01-03)
Epsilon4 allele carriers show altered brain activity before onset of Alzheimer's symptoms
Healthy individuals who are at risk of Alzheimer's disease show reduced activity in the hippocampal region of the brain when performing tasks related to forming new memories. view more (2006-01-13)
Brain Scan Study of Smokers Reveals Signature of Craving
Not all smokers are alike when it comes to cravings, and a new study conducted by researchers at Duke University Medical Center suggests the difference may lie in their brains' sensitivity to drug cues. view more (2005-06-29)
New methods for brain research
Novel methods of measuring magnetic fields outside the head give further insights to the functioning of the human brain. In his doctoral thesis "Estimating Neural Currents from Neuromagnetic Measurements", Kimmo Uutela developed new methods for finding electrical activity of the brain, which enable easier identification of different... view more... (2002-12-10)
Questions over accuracy of MRI in diagnosing multiple sclerosis
The accuracy of magnetic resonance imaging (MRI) is not sufficient to rule in or rule out a diagnosis of MS with a high degree of certainty, finds a study published online by the BMJ today. view more (2006-03-24)
Lighting up the human brain at night
Most people are aware that light affects human behaviour and can be used to treat disorders such as Seasonal Affective Disorder, but now researchers from the University of Surrey and the University of Liege have found new evidence that light administered during the night immediately reduces sleepiness and boosts human brain function. These... view more... (2004-10-25)
New study finds healthy children of Alzheimer patients show early brain changes
Medical College of Wisconsin researchers in Milwaukee have reported that children of Alzheimer's patients who are carriers of a genetic risk factor for Alzheimer's disease have neurological changes that are detectable long before clinical symptoms may appear. view more (2008-07-29)
Brain circuits that control hunger identified
Researchers at UCLA have determined the brain circuits involved in hunger that are influenced by a hormone called leptin. In previous clinical trials, supplementation of leptin, the signaling molecule produced by fat cells, produced moderate weight loss in some obese patients, purportedly by inhibiting hunger and promoting feelings of being full. view more (2007-10-30)
Canadian scientists read minds with infrared scan
Researchers at Canada's largest children's rehabilitation hospital have developed a technique that uses infrared light brain imaging to decode preference - with the goal of ultimately opening the world of choice to children who can't speak or move. view more (2009-02-11)
3T MRI leads to better diagnosis for focal epilepsy
3T MRI is better at detecting and characterizing structural brain abnormalities in patients with focal epilepsy than 1.5T MRI, leading to a better diagnosis and safer treatment of patients, according to a recent study conducted at the Oregon Health and Science University in Portland, OR. view more (2008-09-08)
Blink, and the brain misses it
We would immediately notice if the outside world suddenly went dark every few seconds. But we rarely become aware of our blinks, even though they cause a similar reduction in the amount of light entering the eye. So why are we not aware of the frequent mini-blackouts caused by blinks? view more (2005-07-26)
U of Minnesota researcher develops brain-scanning process that holds promise for epilepsy treatments
University of Minnesota McKnight professor and Director of Center for Neuroengineering Bin He has developed a new technique that has led to preliminary successes in noninvasive imaging of seizure foci. view more (2009-05-20)
Not just your imagination: The brain perceives optical illusions as real motion
Ever get a little motion sick from an illusion graphic designed to look like it's moving? A new study suggests that these illusions do more than trick the eye; they may also convince the brain that the graphic is actually moving. view more (2009-02-03)
Brain compensatory mechanisms enhance the recovery from spinal cord injury
A research team led by Tadashi Isa, a professor at the Japanese National Institute for Physiological Sciences, NIPS (SEIRIKEN), and Dr. Yukio Nishimura (University of Washington, Seattle), have found that brain compensatory mechanisms contribute to recovery from spinal cord injury. view more (2007-11-16)
Memory function varies after damage to key area of the brain
Scientists at the University of Liverpool have discovered dramatic differences in the memory performance of patients with damage to the hippocampus, an area of the human brain key to memory. view more (2008-10-23)
Breakthrough in 3-D Brain Mapping Enables Removal of Fist-Sized Tumor
A new technology involving the fusion of four different types of images into a 3-D map of a patient's brain has helped University of Cincinnati (UC) specialists successfully remove a fist-sized tumor from the brain of an Indiana woman. view more (2009-07-15)
Imaging reveals abnormalities in pathways connecting brain areas in those with writer's cramp
Abnormalities in the fibers connecting different brain areas may contribute to muscle disorders such as writer's cramp, according to a report in the April issue of Archives of Neurology, one of the JAMA/Archives journals. view more (2009-04-14)
Daytime light exposure dynamically enhances brain responses
Exposure to light is known to enhance both alertness and performance in humans, but little is understood regarding the neurological basis for these effects, especially those associated with daytime light exposure. view more (2006-08-22)
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