Hippocampal CA1 pyramidal neuron model from the paper M.Migliore, D.A Hoffman, J.C. Magee and D. Johnston Role of an A-type K+ conductance in the back-propagation of action potentials in the dendrites of hippocampal pyramidal neurons J. Comput. Neurosci. 7, 5-15, 1999. Different kinetics are used for proximal and distal dendritic KA channels, with increasing density with distance from the soma. The kinetics for the Na conductance includes a gate variable for the slow inactivation. To compile the mod files on a unix system use the command nrnivmodl. Under Windows use the "mknrndll DOS box" from the NEURON program menu and follow on-screen instructions. running the simulation hoc files with the command nrngui fig_1a.hoc or nrngui fig_1c.hoc will generate the simulations shown in Fig.1A and Fig.1C of the paper, respectively. Questions on how to use this model should be directed to michele.migliore@pa.ibf.cnr.it