Click here to Download # # ME_V5 # # Author: Pamela Baker and Wyeth Bair # Funding: NSF CRCNS Grant IIS-1309725 # Institute: Dept of Biological Structure # University of Washington, Seattle, WA 98195 # mod_type me_v5 # Motion energy V5 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 #var_param_file vpo.txt <v1> n_dir_chan 12 # Number of direction channels rmsm_alpha_1 0.99 # Alpha 1 from RustEtAl2006 p1429 rmsm_alpha_2 0.01 # Alpha 2 from RustEtAl2006 p1429 rmsm_alpha_3 5.0 # Alpha 3 from RustEtAl2006 p1429 rmsm_L 1.0 # "mean squared stimulus contrast" </v1> <v5> # # Next line lists V1 weights (must have 'n_dir_chan' values) # rmsm_w -1.0 -1.0 -1.1 -0.1 0.25 1.0 0.9 0.8 1.0 0.6 0.0 -0.9 rmsm_A 1.0 # Amplitude, Ae^(Bx), RustEtAl2006 p1430 rmsm_B 0.5 # Spread, Ae^(Bx), RustEtAl2006 p1430 </v5> # # Oriented linear filter # <filter> type Gabor # type of filter direction 0 (deg) # preferred direction sf 2.4 (cyc/deg) # Spatial frequency ssd 0.18 (deg) # SD space - used 0.24 for pat1 tf 10.0 (cyc/s) # Temporal frequency tsd 0.045 (s) # SD time - set long for smoother output in time tilt_type none # ["none"] "rotate", "shift" tilt_frac 0.0 # Amount of rotation, 0.0-none, 1.0-vel. write_filter 0 # 0-none, 1,2,3,4 or 5=all opponent no # ["yes"] "no" </filter> # # Spike Generation # <spike_gen> type poisson # Spike generation algorithm, dflt "poisson"; "ifc" offset0 0.0 # Add to filter output, BEFORE scaling (0.0) scale 0.004 # Multiply filter output (1.0) offset 0.0 # Add to filter output, AFTER scaling (0.0) toffset 0.060 (s) # Time delay added to spike times spike_dump 0 # Dump firing probability to 'zz.dump.pl' if 1 </spike_gen>