Proof That Practice Does Make Perfect

eldavojohn sends us an article about a discovery by Carnegie Mellon researchers that explains why repetitive studying or training is effective. Previous research had suggested the opposite, which ran counter to nearly everyone's personal experience. Scientists hope that this information will help us to learn more about diseases which affect the memory, such as Alzheimer's. From the article: "In a series of experiments the researchers blocked different receptors, including NMDA, to see the receptors' effect on long-term neural stimulation. They found that while the NMDA receptor is required to begin neural strengthening, a second neurotransmitter receptor -- the metabotropic glutamate (mGlu) receptor -- comes into play after this first phase of cellular learning. ...blocking mGlu receptors caused strengthening to stop."

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May be Because ...

[GNUALMAFUERTE]

The USA didn't have the resources to be so big on its own, so they basically destroyed Africa and South America, setting dictatorships that were loyal to the US, stealing their natural resources, and taking people as prisoners taking them to the other side of the world to be your SLAVES?