NEURON mod files from the paper: M. Migliore, M. Hines and GM Shepherd The role of distal dendritic gap junctions in synchronization of mitral cell axonal output, J. Comput. Neurosci., 18:151-161 (2005). In a realistic model of two electrically connected mitral cells (M1, M2), the paper shows that the somatically-measured experimental properties of GJs may correspond to a variety of different local coupling strengths and dendritic distributions of GJs in the tuft. The model suggests that the propagation of the GJ-induced local tuft depolarization is a major mechanim for intraglomerular synchronization of mitral cells. The main effect is demonstrated here by reproducing the simulations in Fig.6A-B-C of the paper. In each case the somatic membrane potential of M1 and M2 and the gap current are shown for the first 300ms of simulation. At the end of each run the cross-correlation function for the last 150ms of simulation is calculated and plotted in an interactive window. Under unix systems: to compile the mod files use the command nrnivmodl and run the simulation hoc file with the command nrngui forfig6-modeldb.hoc Under Windows systems: to compile the mod files use the "mknrndll" command. A double click on the simulation file forfig6-modeldb.hoc will open the simulation window. Questions on how to use this model should be directed to michele.migliore@pa.ibf.cnr.it