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Evolution of new brain area enables complex movements
A new area of the cerebral cortex has evolved to enable man and higher primates to pick up small objects and deftly use tools, according to neuroscientists at the University of Pittsburgh School of Medicine and Pittsburgh's Veterans Affairs Medical Center. view more (2009-01-13)
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)
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)
Quicker and easier rehabilitation following a stroke
By artificially vibrating certain muscle parts, the brain areas and neuronal pathways responsible for movement can be trained. This has the potential to help stroke patients recover their mobility more quickly. These are the results of PhD research by Maarten Steyvers of the Department of Kinesiology, K.U.Leuven. view more (2004-06-11)
How schizophrenia develops: Major clues discovered
Schizophrenia may occur, in part, because of a problem in an intermittent on/off switch for a gene involved in making a key chemical messenger in the brain, scientists have found in a study of human brain tissue. view more (2007-10-17)
New Cortex study uncovers how we recognize what is true and what is false
A recent neuroimaging study reveals that the ability to distinguish true from false in our daily lives involves two distinct processes. view more (2009-06-18)
Brain activation can predict the strategies people use to make risky decisions
Watching people's brains in real time as they handle a set of decision-making problems can reveal how different each person's strategy can be, according to neuroscientists at the Duke University Medical Center. view more (2009-05-28)
Social exclusion changes brain function and can lead to poor decision-making
Poor Bridget Jones. At the beginning of the first film about her diary and life, the character, played by actress Renée Zellweger, is fat and alone in her apartment where she mimes one of the great self-pitying song hits of all time: "All by Myself." But Bridget's problem may be more than skin deep. view more (2006-11-09)
Who am I? Adolescents' replies depend on others
Ask middle-school students if they are popular or make friends easily, they likely will depend on social comparisons with their peers for an answer. Such reliance on the perceived opinions of others, or reflected self-appraisals, has long been assumed, but new evidence supporting this claim has now been found in the teen brain. view more (2009-07-15)
Pitt research identifies new target in brain for treating schizophrenia
Research from the University of Pittsburgh could expand the options for controlling schizophrenia by identifying a brain region that responds to more than one type of antipsychotic drug. view more (2008-11-06)
Patients, be patient: Brain images suggest new therapy for severe depression can take months to work
It takes time - between three and 12 months - before a new type of therapy for treatment-resistant depression starts to benefit patients, according to new preliminary brain scan research that confirms earlier observations by psychiatrists about vagal nerve stimulation. view more (2006-05-26)
Age-related difficulty recognizing words predicted by brain differences
Older adults may have difficulty understanding speech because of age-related changes in brain tissue, according to new research in the May 13 issue of The Journal of Neuroscience. view more (2009-05-13)
Reorganization of brain area for vision after stroke: May yield new treatments for brain injury
New evidence from a patient shows that the area of the brain that processes visual inputs can reorganize after an injury caused by stroke. view more (2007-09-05)
Gene variant is associated with brain anatomy, clinical course of ADHD
A variant of the dopamine receptor gene may be associated with attention-deficit/hyperactivity disorder (ADHD) and with thinner tissue in areas of the brain that handle attention, but also appears associated with better clinical outcomes among individuals with the disorder. view more (2007-08-07)
Study Indicates How We Maintain Visual Details In Short Term Memory
Working memory (also known as short term memory) is our ability to keep a small amount of information active in our mind. view more (2009-02-23)
Morning grogginess more debilitating than sleep deprivation
A new University of Colorado at Boulder study shows that people who awaken after eight hours of sound sleep have more impaired thinking and memory skills than they do after being deprived of sleep for more than 24 hours. view more (2006-01-11)
Researchers find an evolutionarily preserved signature in the primate brain
Researchers have determined that there are hundreds of biological differences between the sexes when it comes to gene expression in the cerebral cortex of humans and other primates. view more (2008-06-20)
Sticks and Stones: A New Study on Social and Physical Pain
We all know the famous saying: "Sticks and stones may break my bones, but words will never hurt me," but is this proverb actually true? view more (2008-08-28)
Neuroscientist scans brain for clues on best time to multitask
In today's fast-paced world, multitasking has become an increasingly necessary part of our daily routine. Unfortunately, multitasking also is notoriously inefficient. However, a new brain imaging study led by a cognitive neuroscientist at the University of New Hampshire finds that there are optimal times when we are better suited to multitask. view more (2008-09-03)
Yale findings hold promise for stopping progression of bipolar disorder
Changes in the brain that are important indicators of bipolar disorder are not prominent until young adulthood and are reduced in persons taking mood-stabilizing medications. view more (2006-01-31)
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