Well, I wouldn't say we understand C. elegans neurobiology and behavior "fully", but great advances have been made at the systems level: https://www.ncbi.nlm.

Well, I wouldn't say we understand C. elegans neurobiology and behavior "fully", but great advances have been made at the systems level: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2904967/#__ffn_sectitle https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2904967/#__ffn_... [overview of behavioral assays at systems level] http://conferences.union.wisc.edu/ceneuro/program-info/organizers-topics/ http://conferences.union.wisc.edu/ceneuro/program-info/organ... [next major conference] And, of course, my favorite, WormWeb: http://wormweb.org/neuralnet#c=ADA&m=1 http://wormweb.org/neuralnet#c=ADA&m=1