Click here to Download # # RD_Exp_T.moo # # Reichardt detector (RD) model for direction selectivity # # mod_type reichardt # Reichardt model sscale 0.1 # degr/pix tscale 0.002 # sec/frame xn 32 # filter x size yn 32 # filter y size tn 128 # filter t size #--------------------------------------.--------------------------------------# # # # FILTER # # # #-----------------------------------------------------------------------------# <filter> name reich lp_tau 0.010 # Low-pass time constant (s) hp_tau 0.500 # High-pass time constant (s) ### Set the number of RD units for spatial integration n_unit_x 20 # Number of units along x-dimension n_unit_y 1 # Number of units along y-dimension dx 1 # x-offset between paired receptors (sampling units) opp_flag 1 # 1-oppenent RD is subtracted, 0-non-opponent dump 0 # 1-write traces for center RD unit to 'zzz.rd.pl' </filter> #--------------------------------------.--------------------------------------# # # # SPIKE_GEN # # # #-----------------------------------------------------------------------------# <spike_gen> type poisson # Spike generation scheme offset0 -0.03 # Add to filter output before scaling [0] scale 0.8 # Multiply filter output [1] offset 0.0 # Add to filter output after scaling [0] toffset 0.030 # Temporal offset (s) added to spike times [0] spike_dump 0 # Dump firing probability to 'zz.dump.pl' if 1 </spike_gen>