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2009-04-05 17:01:56

Washington University scientists used genetically modified fruit flies to track the creation of new brain synapses, junctures where two brain cells communicate. They found that two scenarios that give the fruit fly's brain a workout caused new synapses to arise. To their surprise, all of the new synapses originated from a group of 16 cells in the fly brain's internal timekeeping mechanism. The cells are highlighted in the encircled area above.

Image uploaded by Bob Ewing
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