Riedl, J., Louis, M. (2012). Behavioral Neuroscience: Crawling Is a No-Brainer for Fruit Fly Larvae.  Curr. Biol. 22(20): R867--R869.

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How are stereotyped behaviors organized in a simple nervous system? A new study in the Drosophila larva reports that the foraging routine can be performed in the absence of any input from the brain.