PsyToolkit

# every line starting with # is comment

options
  bitmapdir stimuli    # the folder that contains the stimuli bitmaps

# the following section defines the bitmaps.  the default format for
# bitmaps is "png" if you use png files, you do not need to use the
# extension.

bitmaps
  cuesignal # this refers to the file cuesignal.png
  gosignal
  fixpoint1 # small
  fixpoint2 # medium
  fixpoint3 # large
  box
  instruction
  afterwords
  mistakefeedback

fonts
  arial 20

# the table section contains 8 rows, one for each of the four
# conditions the stuff in quotation marks is human readable
# information

table cueingtable
  "cueleft  targetleft  valid      cued 1"  -200 -200  1
  "cueleft  targetleft  valid      cued 1"  -200 -200  1
  "cueleft  targetleft  valid      cued 1"  -200 -200  1
  "cueright targetright valid      cued 1"   200  200  2
  "cueright targetright valid      cued 1"   200  200  2
  "cueright targetright valid      cued 1"   200  200  2
  "cueleft  targetright invalid  uncued 0"  -200  200  2
  "cueright targetleft  invalid  uncued 0"   200 -200  1

# the task describes exactly one trial. On each each trial, one of the
# rows of the cue table is chosen at random

task cueingtask
  table cueingtable
  keys a l
  delay 500 # time between trials
  show bitmap fixpoint1
  show bitmap box -200 0
  show bitmap box  200 0
  delay 75
  show bitmap fixpoint2
  delay 75
  show bitmap fixpoint3
  delay 75
  clear 4 5
  show bitmap fixpoint2
  delay 75
  clear 6
  show bitmap fixpoint1
  delay 200
  show bitmap cuesignal @2 0 # now show the cue
  delay 75
  clear -1
  delay 75
  show bitmap gosignal @3 0 # show target (go) 700 ms later
  readkey @4 1500
  clear -1
  if STATUS != CORRECT
    show bitmap mistakefeedback 0 200
    delay 2000
    clear -1
  fi
  save @1 RT STATUS # this saves the data to an output file

block cueingblock
  message instruction
  tasklist
    cueingtask 100 # do the task 100 times
  end
  bitmap afterwords
  wait_for_key
  feedback
    text align left
    set &RTvalid   mean c6 ; select c7 == 1 && c5 == 1
    set &RTinvalid mean c6 ; select c7 == 1 && c5 == 0
    text -300 0 "Response time (ms)"
    text -300 50 &RTvalid    ; prefix "Valid cue conditions: "   ; postfix " ms"
    text -300 100 &RTinvalid ; prefix "Invalid cue conditions: " ; postfix " ms"
    text -300 250 "Press space bar to continue"
  end