Intra-and intersegmental influences 3 among central pattern generating networks 4 in the walking system of the stick insect 5 6 Running Title : Coordination between contralateral stick insect leg CPGs

11 Department of Animal Physiology, Zoological institute, 12 Biocenter, University of Cologne, Zülpicher Str. 47b, 50674 Cologne, Germany 13 Department of Mechanical and Aerospace Engineering, Program in Applied and 14 Computational Mathematics and Princeton Neuroscience Institute, 15 Princeton University, Princeton, NJ 08544, USA 16 Institute of Neuroscience and Medicine (INM-3), Forschungszentrum Jülich, 17 Wilhelm-Johnen-Straße, 52425 Jülich, Germany 18 19 # Corresponding author: Prof. Ansgar Büschges, University of Cologne, Biocenter, 20 Room 1.610, Dept. of Neurobiology / Animal Physiology, Zülpicher Straße 47b, 21 50674 Cologne, Germany, Phone +49 (0)221 47