// $Id: EC_layer.g,v 16.1 2000/03/02 14:43:39 ajay Exp $ // genesis // EC_layer.g // Creates layer of EC (Ento. cortex) cells that project to pyr_layer. // Each EC cell represents one path (sequence) and fires for entire duration of sequence recall ce /EC/soma // Make the spike generator and link it into the cell. make_spike setfield spike thresh {spike_threshold_value} // set in constants.g setfield spike abs_refract 5e-3 // 5 ms addmsg . spike INPUT Vm // Make pulse generator ce /EC/soma make_pulse addmsg /EC/soma/pulse /EC/soma INJECT output // Create a plane of EC cells. createmap /EC /EC_layer \ {EC_NX} {EC_NY} \ -delta {EC_SEPX} {EC_SEPY} \ -origin {-EC_NX * EC_SEPX / 2} {-EC_NY * EC_SEPY / 2}