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"Gene Silencing" May Improve Treatment Of A Deadly Complication Of Liver Disease
A technique that "silences," or turns off, genes shows promise as a potential new treatment for liver fibrosis - the disease that leads to cirrhosis - scientists in Tennessee are reporting. Their study is scheduled for the June 1 issue of ACS" Molecular Pharmaceutics, a bi-monthly journal. Cirrhosis is the 12th leading cause of death in the United States.
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Why We Learn More From Our Successes Than Our Failures--MIT Study Sheds Light On The Brain's Ability To Change In Response To Learning
If you"ve ever felt doomed to repeat your mistakes, researchers at MIT"s Picower Institute for Learning and Memory may have explained why: brain cells may only learn from experience when we do something right and not when we fail.
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11 West African Countries To Partake In Polio Vaccination Campaign; Benin Campaign Postponed Due To Health Worker Strike
A health workers" strike has caused Benin to indefinitely delay a polio vaccination campaign, part of a regional effort taking place in several West African countries, IRIN reports. The Benin campaign was due to start on May 29.
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Associative Sequence Learning: The Role Of Experience In The Development Of Imitation And The Mirror System

The ability to imitate is crucial for human social interaction and cultural inheritance. Until recently, it was assumed that this ability was innate. We review new evidence indicating that experience plays a critical role in the development of imitation. The brain"s "mirror system" represents both observed and performed actions. We show that disrupting the function of the inferior frontal gyrus, a mirror system area, interferes with automatic imitation of finger movements. This indicates that the mirror system is causally involved in generating imitative behaviour. We conclude that sensorimotor experience is essential for the development of imitation and the mirror system. Royal Society Journal


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