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Newly Found "Volume Control" in the Brain Promotes Learning, Memory, Georgetown University Medical Center Study


1/10/2013 7:37:42 AM

Scientists have long wondered how nerve cell activity in the brain's hippocampus, the epicenter for learning and memory, is controlled—too much synaptic communication between neurons can trigger a seizure, and too little impairs information processing, promoting neurodegeneration. Researchers at Georgetown University Medical Center say they now have an answer. In the January 10 issue of Neuron, they report that synapses that link two different groups of nerve cells in the hippocampus serve as a kind of "volume control," keeping neuronal activity throughout that region at a steady, optimal level.

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