Click here to Download # # BDE_CWQ.moo # # Chen, Wang, Qian (2001) Fig. 6 complex cell # # w_x/2Pi = 0.4 cyc/deg *** WE MULT BY 3 BELOW *** # w_t/2Pi = -2.0 Hz # sig_x = 0.8 deg *** WE DIVIDE BY 3 BELOW - this is quite large *** # sig_y = 1.2 deg *** WE DIVIDE BY 3 BELOW - this is quite large *** # tau = 0.060 s # phi_- = 210 deg # phi_t = -0.1 Pi # eta = 0.6 # mod_type binoc_filter # Binocular energy filter 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 phase_1 0 (deg) # Phase of cosine for first left filter binoc_nonlin halfsq # Type of nonlinearity right_sign ++++ # Sign of R.Eye signal (Eq 18 Read,Parker,Cumming 2002) # A 4-char combination of + and -, e.g., ++-- [++++] simp_rect 0 # 1-rectify simple cells, 0-do not rectify [0] simp_thresh 0.0 # Subtracted from all simple monoc responses # before rect. (Fraction of mean filter area) [0.0] # # Oriented linear filter # <filter> type Gabor_CWQ # type of filter direction 0 (deg) # preferred direction sf 1.2 (cyc/deg) # Spatial frequency sd_orth 0.267 (deg) # SD space, orthogonal to sinusoid sd_par 0.4 (deg) # SD space, parallel to sinusoid phase 0.0 (deg) # Spatial phase offset phase_shift 180.0 (deg) # Phase shift of R.Eye alpha 2 # Temporal filter skewness: 2,3,... tau 0.060 (s) # Temporal filter time consatant tf 2.0 (cyc/s) # Temporal filter cosine TF phi 18.0 (deg) # Temporal filter cosine phase eta 1.0 # Fraction of Quadrature filter to add # # This phi = 0.1 Pi, other filter has phi = -0.4*PI = -72.0 deg # write_filter 0 # 0-none, 1,2,3,4 or 5=all </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 0.0008 # (0.00007) Multiply filter output (1.0) offset 0.0 # (-0.1) 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>