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Scientists Reveal The First Complete Map Of An Insect's Brain

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The fruit fly larva's brain is surprisingly complex (Credit: Forestryimages.org/ CC-BY-SA-3.0)

The fruit fly larva is no more than 10 mm long. Hence, it would be reasonable to assume that its brain, which is smaller than a poppy seed, is fairly simple. However, a recently-unveiled map of the insect's brain shows a surprisingly complex structure. It has 3,016 neurons connected by 548,000 synapses.