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Looking for something? Surprising number of neurons help find it, research shows
A person searching for a ripe tomato at the grocery store is more likely to notice apples, strawberries and other red fruits as well. view more (2007-07-19)
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)
Risk and reward compete in brain
That familiar pull between the promise of victory and the dread of defeat - whether in money, love or sport - is rooted in the brain's architecture, according to a new imaging study. view more (2008-10-10)
Study finds brain differences in adolescents with mental illness
Puberty may have an impact on areas of the brain that contribute to bipolar disorder or schizophrenia in youth, according to a study presented today at the annual meeting of the American College of Neuropsychopharmacology (ACNP). view more (2007-12-10)
Does stress damage the brain?
Individuals who experience military combat obviously endure extreme stress, and this exposure leaves many diagnosed with the psychiatric condition of post-traumatic stress disorder, or PTSD. PTSD is associated with several abnormalities in brain structure and function. view more (2008-03-19)
HIV in the nervous system - still a cause for concern?
HIV infection can be controlled with antiretroviral drugs, but it cannot be wiped out. New evidence suggests that low levels of HIV may still lead to long-term brain damage and dementia, scientists heard today (Tuesday 09 April 2002) at the spring meeting of the Society for General Microbiology at the University of Warwick. "There is concern for... view more... (2002-04-02)
Researchers find alcoholics display abnormal brain activity when processing facial expressions
Researchers from Boston University School of Medicine (BUSM) have found that individuals who have a long history of alcoholism, but who have been abstinent for at least a month up to many years, showed abnormal brain activity when looking at facial expressions of others. view more (2009-08-11)
Social reasoning and brain development are linked in preschoolers -- Queen's study
New research at Queen's University shows that the way preschool children understand false beliefs can be linked to particular aspects of brain development. view more (2009-07-16)
Research may unlock mystery of autism's origin in the brain
In the first study of its kind, researchers have discovered that in autistic individuals, connections between brain cells may be deficient within single regions, and not just between regions, as was previously believed. view more (2007-08-23)
Neurological differences support dyslexia subtypes
Parts of the right hemisphere of the brains of people with dyslexia have been shown to differ from those of normal readers. view more (2009-06-25)
Lack of sleep activates body's defence mechanisms
A lack of sleep is considered a threat situation, which activates the body's defence mechanisms. This is the same type of response that protects the body against viruses and bacteria as well as in stress situations. view more (2005-03-16)
Groundbreaking study helps explain why preemie brains improve over time
Infants born prematurely and with hypoxia-inadequate oxygen to the blood-are able to recover some cells, volume and weight in the brain after oxygen supply is restored, Yale School of Medicine researchers report in Experimental Neurology. view more (2005-06-28)
Phantoms in the brain: Pain after amputation
Losing a limb can be a traumatic experience and, in some cases, emotional and physical pain can linger for years. view more (2008-05-13)
Stroke damage keeps brain regions from 'talking' to each other
Neuroscientists at Washington University School of Medicine in St. Louis have linked a common post-stroke disability to impaired communication between brain regions. view more (2007-03-15)
When neurons fire up: Study sheds light on rhythms of the brain
In our brains, groups of neurons fire up simultaneously for just milliseconds at a time, in random rhythms, similar to twinkling lightning bugs in our backyards. New research from neuroscientists at Indiana University and the University of Montreal provides a model -- a rhyme and reason -- for this random synchronization. view more (2008-08-06)
Neurons hard wired to tell left from right
It's well known that the left and right sides of the brain differ in many animal species and this is thought to influence cognitive performance and social behaviour. For instance, in humans, the left half of the brain is concerned with language processing whereas the right side is better at comprehending musical melody. view more (2008-03-31)
Alcoholism research reveals promising new approach to treating Alzheimer's disease
Saint Louis University research shows a new class of drugs may hold promise in treating brain chemical problems such as Alzheimer's disease, says the principal investigator of research published in an early on-line version of Peptides. view more (2005-10-26)
Slow brain waves play key role in coordinating complex activity
While it is widely accepted that the output of nerve cells carries information between regions of the brain, it's a big mystery how widely separated regions of the cortex involving billions of cells are linked together to coordinate complex activity. view more (2006-09-15)
Flies on speed offer insight into the roles of dopamine in sleep and arousal
Methamphetamine, the drug of choice for long-distance truckers and college students pulling all-nighters, appears to do a similar trick for fruit flies, too. This finding is one of several in a new study that demonstrates a critical role for the neurotransmitter dopamine in the modulation of sleep, wake, and arousal states. view more (2005-07-12)
Transcendental Meditation reduces the brain's reaction to pain
Twelve healthy long-term meditators who had been practicing Transcendental Meditation for 30 years showed a 40-50% lower brain response to pain compared to 12 healthy controls. view more (2006-08-10)
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