Genetic dissection of neural circuits and behavior in Mus musculus / Robbert Havekes and Ted Abel -- Worm watching: imaging nervous system structure and function in Caenorhabiditis elegans / Jeremy Dittman -- Mapping and manipulating neural circuits in the fly brain / Julie H. Simpson -- A network of G-Protein signaling pathways control neuronal activity in C. elegans / Borja Perez-Mansilla and Stephen Nurrish.