To understand why this is a big deal, for a long time its been understood that (to vastly oversimplify things) the brain is primarily composed to two kinds of cells: glial cells, which are basically the brain’s infrastructure; and neurons, which communicate with each other with chemicals called neurotransmitters at special sites called synapses.
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Add another layer of complexity to our understanding of the brain. Researchers at University of Lausanne have discovered that a heretofore unknown class of cell is also involved in the complicated internal communications of the brain. The research was published Wednesday in Nature.
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