#------------------------------------------------------------------------------ # # dirmod.stm # #------------------------------------------------------------------------------ stim_type dirmod # random pref/anti direction motion stim_samp 1000.0 # Stimulus sampling rate st0 0.000 # Start time (s) stn 2.000 # Duration (s) cx 0.0 # Center horizontal (deg) cy 0.0 # Center vertical (deg) direction 0 # Direction of pref motion (deg) sf 2.0 # Spatial frequency (cyc/deg) phase 0 # Spatial phase (deg) etf 10.0 # Eff. Temporal frequency, pref or mean (cyc/sec) distrib 7 # Distribution (1-Gaussian, 2-binary, 7-mseq) mseq_ord 11 # Order of m-sequence (8-16) seed 101 # Seed (or tap value) for randomization dt 5 # Dwell - frames to hold a random value size 1.6 # Aperture size (deg) aptype 2 # Aperture (0-none, 1-circular, 2-square, 3-Gaussian) bgval 0.5 # Background luminance [0..1] contrast 1.0 # Contrast [0..1] stim_nrpt 1 # Number of repeats VAR_etf 25.6 12.8 6.4 3.2 1.6 0.8 0.4 0.2 0.1