Biocompare Neuroscience
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02/05/2010 11:19 AM
Sorting Out What Makes Proteins Clump Together
Howard Hughes Medical Institute (HHMI) researchers and their colleagues have found the key factors that cause proteins to turn into sticky, fibrous clumps that can grind cellular activity to a halt. The new findings show how some organisms prevent amyloid clumps from forming and point the way toward drugs that might one day do the same for humans.
02/04/2010 08:43 AM
Girls With ADHD Show Other Mental Health Risks
The study, reported in the American Journal of Psychiatry, followed 187 6- to 18-year-old girls with and without ADHD for 11 years. Over that time, girls with the disorder were more likely to at some point have symptoms of depression, anxiety, eating disorders, substance abuse or antisocial disorders than girls without ADHD.
02/04/2010 08:38 AM
Vegetative Patient "Talks" Using Brain Waves
British and Belgian researchers used a brain scanner called functional magnetic resonance imaging to show the man, who suffered a severe traumatic brain injury in a road accident in 2003, was able to think "yes" or "no" answers to questions by wilfully changing his brain activity.
02/04/2010 06:55 AM
Brain Dopamine Receptor Density Correlates with Social Status
People have typically viewed the benefits that accrue with social status primarily from the perspective of external rewards. A new paper in the February 1st issue of Biological Psychiatry, published by Elsevier suggests that there are internal rewards as well.
02/03/2010 07:45 AM
SIDS Linked To Low Levels Of Serotonin
The brains of infants who die of sudden infant death syndrome (SIDS)
produce low levels of serotonin, a brain chemical that conveys messages
between cells and plays a vital role in regulating breathing, heart rate,
and sleep, reported researchers funded by the National Institutes of
Health.