Articles with the keyword: 
10 percent of healthy people in study had injury from "silent strokes"
kavin submitted, created time 4 months 3 weeks (esciencenews.com)
A recent study found that about 10 percent of the apparently healthy middle-aged participants with no symptoms of stroke were injured from "silent strokes," researchers report in Stroke: Journal of the American Heart Association. Silent cerebral infarction (SCI), or "silent stroke," is a brain injury likely caused by a blood clot interrupting blood flow in the brain. It's a risk factor for future strokes and a sign of progressive brain damage that may result in long-term dementia. 
sea-maid submitted, created time 5 months 4 weeks (www.pnas.org)
Previous studies have shown that chronic opiates may inhibit cell growth and trigger apoptosis leading to impaired cognitive capabilities in both humans and other mammals. And these results suggest that the hormone is capable of preventing or even repairing morphine-induced damage to hippocampal cells
Prions are usefull for disease
sea-maid submitted, created time 6 months 3 weeks (www.jcb.org)
The results of recent investigatoins suggest that normal prions might exert their protective effect on neurons by switching off a particular subset of NMDA receptors that contain a subunit called NR2D. The work also suggests a mechanism for the brain damage caused by prion diseases. Malformed prions coax normal molecules to misfold. As the amount of normal protein falls, neurons lose their protectors and become more vulnerable to death by overstimulation.
captainclaw submitted, created time 1 year 4 months (www.biomedcentral.com)
"These findings indicate that dyslexics are phonologically impaired (delayed N400 in the rhyme judgment task) but that they also have difficulties in other, non-phonological aspects of reading (longer response times, longer persistence of the N400). Specifically, semantic and syntactic integration seem to require more effort for dyslexic readers and take longer irrespective of the reading task that has to be performed. "
Oxygen Meant to Resuscitate May Damage Brain
julie submitted, created time 1 year 5 months (www.sciam.com)
"A new study suggests that pumping pure oxygen into patients' noses and mouths during a stroke or other medical emergency may exacerbate rather than reduce potential brain damage.
Medical personnel routinely slap an oxygen mask on people struggling to breathe, as well as to stroke victims left oxygen-deficient in some parts of their brains. Until recently, doctors believed this is the fastest and most effective way to deliver oxygen to needy lung or brain tissue. "
White Matter Matters in Schizophrenia
medal submitted, created time 1 year 6 months (www.sciam.com)
"Scientists have suspected for more than two decades that schizophrenia is linked to defects in the brain's white matter. They could not tell, however, whether changes in the information-transmitting region of the brain detected by brain scans or autopsies were the cause or the symptoms of the illness.”
Different approach needed to protect brains of premature infants
Luneetty submitted, created time 1 year 7 months (www.eurekalert.org)
A study of how the brain of a premature infant responds to injury has found vulnerabilities similar to those in the mature brain but also identified at least one significant difference, according to neuroscientists and neonatologists at Washington University School of Medicine in St. Louis. More than two percent of babies are born before the completion of their eighth month of gestation, and up to half of these infants suffer brain injury. Unlike adults, premature infants receive the most damage in the white matter, the portions of the brain that connect different brain regions
Kill One to Save Many? Brain Damage Makes Decision Easier
amanda submitted, created time 1 year 7 months (www.sciam.com)
"You know that a carrier of an airborne strain of Ebola is about to board a plane where he will share the same stale air with scores of strangers. Do you allow him to risk infecting fellow passengers or do you kill him if that is the only way to prevent him from getting on the flight? "
DNA2004 submitted, created time 1 year 9 months (www.nature.com)
For over 35 years, immunologists have divided T-helper (TH) cells into functional subsets. T-helper type 1 (TH1) cells—long thought to mediate tissue damage—might be involved in the initiation of damage, but they do not sustain or play a decisive role in many commonly studied models of autoimmunity, allergy and microbial immunity
Reversed fortunes: rescue mad cow disease
captainclaw submitted, created time 1 year 9 months (www.newscientist.com)
Animals and humans naturally produce “normal” prion proteins in the nervous system. However, abnormal prions that are misfolded can disrupt normal prions. This disruption causes healthy prions to misfold too, leading to mad cow disease or, in its human form, vCJD. The result is brain damage, characterised by a lack of coordination, dementia, and ultimately death
New breakthrough for smoking therapy
Scarlett submitted, created time 1 year 9 months (sciencenow.sciencemag.org)
A new study proved that Cigarette smokers who suffer damage to a particular brain region often lose the urge to smoke, which would provide important insight into the biological basis of addictive behaviors. Previous research on addictions has implicated the insula, a brain region tucked into a deep fold in the cerebral cortex. Antoine Bechara performed experiment to see whether the insula play an important role in smoking urges
Brain damage can erase cigarette addiction
saury submitted, created time 1 year 9 months (www.newscientist.com)
The researchers found that damage to the insula ¨C a brain regionthat promotes conscious feelings of hunger, pain and cravings ¨C allowed some heavy smokers to quit with ease. Strokeswhich damage a specific part of the brain can cause cigarette addicts to lose the urge to smoke overnight, The discovery of a brain region linked to the urge to smoke supports the idea that distraction techniques may be important for those trying to quit. Currently, It's true that people try to distract themselves when they feel an urge to smoke, is't any good way?
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