OpenSesame flicker example

gistfile1.txt

# Generated by OpenSesame 2.9.1 (Hesitant Heisenberg)
# Mon Nov 17 19:35:08 2014 (posix)
# <http://www.cogsci.nl/opensesame>

set mouse_backend "xpyriment"
set subject_parity "even"
set height "768"
set font_italic "no"
set canvas_backend "xpyriment"
set synth_backend "legacy"
set start "experiment"
set title "Change blindness flicker paradigm example"
set coordinates "relative"
set width "1024"
set sampler_backend "legacy"
set transparent_variables "no"
set foreground "white"
set font_bold "no"
set description "Default description"
set background "black"
set font_size "18"
set keyboard_backend "legacy"
set font_family "mono"
set compensation "0"
set bidi "no"
set subject_nr "0"

define sketchpad blank
	set duration "0"

define sequence experiment
	run reset_response "always"
	run flicker_loop "always"

define loop flicker_loop
	set repeat "10"
	set item "flicker_sequence"
	set break_if "[response] = space"
	set column_order ""
	set cycles "1"
	set order "random"
	run flicker_sequence

define sequence flicker_sequence
	run img1 "always"
	run keyboard_response "[response] != space"
	run blank "[response] != space"
	run keyboard_response "[response] != space"
	run img2 "[response] != space"
	run keyboard_response "[response] != space"
	run blank "[response] != space"
	run keyboard_response "[response] != space"

define sketchpad img1
	set duration "0"
	draw textline 0 0 "one" center=1 color="white" font_family="mono" font_size=18 font_bold="no" font_italic="no" html="yes" z_index=0 show_if="always"

define sketchpad img2
	set duration "0"
	draw textline 0 0 "two" center=1 color="white" font_family="mono" font_size=18 font_bold="no" font_italic="no" html="yes" z_index=0 show_if="always"

define keyboard_response keyboard_response
	set timeout "500"
	set flush "yes"

define inline_script reset_response
	___run__
	exp.set('response', None)
	__end__
	set _prepare ""