The first complete wiring diagram of an animal's nervous system has been completed. The findings mark a major milestone in the field of "connectomics," the effort to map the myriad neural connections in a nervous system to find the specific nerve connections responsible for particular behaviors.

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The first complete wiring diagram of an animal's nervous system has been completed. The findings mark a major milestone in the field of "connectomics," the effort to map the myriad neural connections in a nervous system to find the specific nerve connections responsible for particular behaviors.