diff --git a/three-back.psyexp b/three-back.psyexp
new file mode 100644
index 0000000000000000000000000000000000000000..64a6a3c375e6b27d4212784a2a9ab663b645808d
--- /dev/null
+++ b/three-back.psyexp
@@ -0,0 +1,77 @@
+<?xml version="1.0" ?>
+<PsychoPy2experiment encoding="utf-8" version="3.2.0">
+ <Settings>
+ <Param name="Audio latency priority" updates="None" val="use prefs" valType="str"/>
+ <Param name="Audio lib" updates="None" val="use prefs" valType="str"/>
+ <Param name="Completed URL" updates="None" val="" valType="str"/>
+ <Param name="Data filename" updates="None" val="u'data/%s_%s_%s' % (expInfo['participant'], expName, expInfo['date'])" valType="code"/>
+ <Param name="Enable Escape" updates="None" val="True" valType="bool"/>
+ <Param name="Experiment info" updates="None" val="{'participant': '', 'session': '001'}" valType="code"/>
+ <Param name="Force stereo" updates="None" val="True" valType="bool"/>
+ <Param name="Full-screen window" updates="None" val="False" valType="bool"/>
+ <Param name="HTML path" updates="None" val="html" valType="str"/>
+ <Param name="Incomplete URL" updates="None" val="" valType="str"/>
+ <Param name="JS libs" updates="None" val="packaged" valType="str"/>
+ <Param name="Monitor" updates="None" val="Alienware Laptop Monitor" valType="str"/>
+ <Param name="Save csv file" updates="None" val="False" valType="bool"/>
+ <Param name="Save excel file" updates="None" val="False" valType="bool"/>
+ <Param name="Save log file" updates="None" val="True" valType="bool"/>
+ <Param name="Save psydat file" updates="None" val="True" valType="bool"/>
+ <Param name="Save wide csv file" updates="None" val="True" valType="bool"/>
+ <Param name="Screen" updates="None" val="1" valType="num"/>
+ <Param name="Show info dlg" updates="None" val="True" valType="bool"/>
+ <Param name="Show mouse" updates="None" val="False" valType="bool"/>
+ <Param name="Units" updates="None" val="deg" valType="str"/>
+ <Param name="Use version" updates="None" val="" valType="str"/>
+ <Param name="Window size (pixels)" updates="None" val="[1600, 900]" valType="code"/>
+ <Param name="blendMode" updates="None" val="avg" valType="str"/>
+ <Param name="color" updates="None" val="$[-1,-1,-1]" valType="str"/>
+ <Param name="colorSpace" updates="None" val="rgb" valType="str"/>
+ <Param name="expName" updates="None" val="three-back" valType="str"/>
+ <Param name="exportHTML" updates="None" val="on Sync" valType="str"/>
+ <Param name="logging level" updates="None" val="exp" valType="code"/>
+ </Settings>
+ <Routines>
+ <Routine name="trial">
+ <TextComponent name="letter">
+ <Param name="color" updates="constant" val="white" valType="str"/>
+ <Param name="colorSpace" updates="constant" val="rgb" valType="str"/>
+ <Param name="disabled" updates="None" val="False" valType="bool"/>
+ <Param name="durationEstim" updates="None" val="" valType="code"/>
+ <Param name="flip" updates="constant" val="" valType="str"/>
+ <Param name="font" updates="constant" val="Arial" valType="str"/>
+ <Param name="languageStyle" updates="None" val="LTR" valType="str"/>
+ <Param name="letterHeight" updates="constant" val="2.5" valType="code"/>
+ <Param name="name" updates="None" val="letter" valType="code"/>
+ <Param name="opacity" updates="constant" val="1" valType="code"/>
+ <Param name="ori" updates="constant" val="0" valType="code"/>
+ <Param name="pos" updates="constant" val="(0, 0)" valType="code"/>
+ <Param name="saveStartStop" updates="None" val="True" valType="bool"/>
+ <Param name="startEstim" updates="None" val="" valType="code"/>
+ <Param name="startType" updates="None" val="time (s)" valType="str"/>
+ <Param name="startVal" updates="None" val="2" valType="code"/>
+ <Param name="stopType" updates="None" val="duration (s)" valType="str"/>
+ <Param name="stopVal" updates="constant" val="0.03" valType="code"/>
+ <Param name="syncScreenRefresh" updates="None" val="True" valType="bool"/>
+ <Param name="text" updates="set every repeat" val="a" valType="str"/>
+ <Param name="units" updates="None" val="from exp settings" valType="str"/>
+ <Param name="wrapWidth" updates="constant" val="" valType="code"/>
+ </TextComponent>
+ </Routine>
+ </Routines>
+ <Flow>
+ <LoopInitiator loopType="TrialHandler" name="trials">
+ <Param name="Selected rows" updates="None" val="" valType="str"/>
+ <Param name="conditions" updates="None" val="None" valType="str"/>
+ <Param name="conditionsFile" updates="None" val="" valType="str"/>
+ <Param name="endPoints" updates="None" val="[0, 1]" valType="num"/>
+ <Param name="isTrials" updates="None" val="True" valType="bool"/>
+ <Param name="loopType" updates="None" val="random" valType="str"/>
+ <Param name="nReps" updates="None" val="20" valType="code"/>
+ <Param name="name" updates="None" val="trials" valType="code"/>
+ <Param name="random seed" updates="None" val="" valType="code"/>
+ </LoopInitiator>
+ <Routine name="trial"/>
+ <LoopTerminator name="trials"/>
+ </Flow>
+</PsychoPy2experiment>
diff --git a/three-back_lastrun.py b/three-back_lastrun.py
new file mode 100644
index 0000000000000000000000000000000000000000..ac5c32cd2a4eece8ccd02be3ddc358eec2e22f5d
--- /dev/null
+++ b/three-back_lastrun.py
@@ -0,0 +1,199 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+This experiment was created using PsychoPy3 Experiment Builder (v3.2.0),
+ on November 04, 2019, at 11:23
+If you publish work using this script the most relevant publication is:
+
+ Peirce J, Gray JR, Simpson S, MacAskill M, Höchenberger R, Sogo H, Kastman E, Lindeløv JK. (2019)
+ PsychoPy2: Experiments in behavior made easy Behav Res 51: 195.
+ https://doi.org/10.3758/s13428-018-01193-y
+
+"""
+
+from __future__ import absolute_import, division
+
+from psychopy import locale_setup
+from psychopy import prefs
+from psychopy import sound, gui, visual, core, data, event, logging, clock
+from psychopy.constants import (NOT_STARTED, STARTED, PLAYING, PAUSED,
+ STOPPED, FINISHED, PRESSED, RELEASED, FOREVER)
+
+import numpy as np # whole numpy lib is available, prepend 'np.'
+from numpy import (sin, cos, tan, log, log10, pi, average,
+ sqrt, std, deg2rad, rad2deg, linspace, asarray)
+from numpy.random import random, randint, normal, shuffle
+import os # handy system and path functions
+import sys # to get file system encoding
+
+from psychopy.hardware import keyboard
+
+# Ensure that relative paths start from the same directory as this script
+_thisDir = os.path.dirname(os.path.abspath(__file__))
+os.chdir(_thisDir)
+
+# Store info about the experiment session
+psychopyVersion = '3.2.0'
+expName = 'three-back' # from the Builder filename that created this script
+expInfo = {'participant': '', 'session': '001'}
+dlg = gui.DlgFromDict(dictionary=expInfo, sortKeys=False, title=expName)
+if dlg.OK == False:
+ core.quit() # user pressed cancel
+expInfo['date'] = data.getDateStr() # add a simple timestamp
+expInfo['expName'] = expName
+expInfo['psychopyVersion'] = psychopyVersion
+
+# Data file name stem = absolute path + name; later add .psyexp, .csv, .log, etc
+filename = _thisDir + os.sep + u'data/%s_%s_%s' % (expInfo['participant'], expName, expInfo['date'])
+
+# An ExperimentHandler isn't essential but helps with data saving
+thisExp = data.ExperimentHandler(name=expName, version='',
+ extraInfo=expInfo, runtimeInfo=None,
+ originPath='D:\\Projects\\three-back\\three-back_lastrun.py',
+ savePickle=True, saveWideText=True,
+ dataFileName=filename)
+# save a log file for detail verbose info
+logFile = logging.LogFile(filename+'.log', level=logging.EXP)
+logging.console.setLevel(logging.WARNING) # this outputs to the screen, not a file
+
+endExpNow = False # flag for 'escape' or other condition => quit the exp
+frameTolerance = 0.001 # how close to onset before 'same' frame
+
+# Start Code - component code to be run before the window creation
+
+# Setup the Window
+win = visual.Window(
+ size=[1600, 900], fullscr=False, screen=0,
+ winType='pyglet', allowGUI=True, allowStencil=False,
+ monitor='Alienware Laptop Monitor', color=[-1,-1,-1], colorSpace='rgb',
+ blendMode='avg', useFBO=True,
+ units='deg')
+# store frame rate of monitor if we can measure it
+expInfo['frameRate'] = win.getActualFrameRate()
+if expInfo['frameRate'] != None:
+ frameDur = 1.0 / round(expInfo['frameRate'])
+else:
+ frameDur = 1.0 / 60.0 # could not measure, so guess
+
+# create a default keyboard (e.g. to check for escape)
+defaultKeyboard = keyboard.Keyboard()
+
+# Initialize components for Routine "trial"
+trialClock = core.Clock()
+letter = visual.TextStim(win=win, name='letter',
+ text='default text',
+ font='Arial',
+ pos=(0, 0), height=2.5, wrapWidth=None, ori=0,
+ color='white', colorSpace='rgb', opacity=1,
+ languageStyle='LTR',
+ depth=0.0);
+
+# Create some handy timers
+globalClock = core.Clock() # to track the time since experiment started
+routineTimer = core.CountdownTimer() # to track time remaining of each (non-slip) routine
+
+# set up handler to look after randomisation of conditions etc
+trials = data.TrialHandler(nReps=20, method='random',
+ extraInfo=expInfo, originPath=-1,
+ trialList=[None],
+ seed=None, name='trials')
+thisExp.addLoop(trials) # add the loop to the experiment
+thisTrial = trials.trialList[0] # so we can initialise stimuli with some values
+# abbreviate parameter names if possible (e.g. rgb = thisTrial.rgb)
+if thisTrial != None:
+ for paramName in thisTrial:
+ exec('{} = thisTrial[paramName]'.format(paramName))
+
+for thisTrial in trials:
+ currentLoop = trials
+ # abbreviate parameter names if possible (e.g. rgb = thisTrial.rgb)
+ if thisTrial != None:
+ for paramName in thisTrial:
+ exec('{} = thisTrial[paramName]'.format(paramName))
+
+ # ------Prepare to start Routine "trial"-------
+ routineTimer.add(2.030000)
+ # update component parameters for each repeat
+ letter.setText('a')
+ # keep track of which components have finished
+ trialComponents = [letter]
+ for thisComponent in trialComponents:
+ thisComponent.tStart = None
+ thisComponent.tStop = None
+ thisComponent.tStartRefresh = None
+ thisComponent.tStopRefresh = None
+ if hasattr(thisComponent, 'status'):
+ thisComponent.status = NOT_STARTED
+ # reset timers
+ t = 0
+ _timeToFirstFrame = win.getFutureFlipTime(clock="now")
+ trialClock.reset(-_timeToFirstFrame) # t0 is time of first possible flip
+ frameN = -1
+ continueRoutine = True
+
+ # -------Run Routine "trial"-------
+ while continueRoutine and routineTimer.getTime() > 0:
+ # get current time
+ t = trialClock.getTime()
+ tThisFlip = win.getFutureFlipTime(clock=trialClock)
+ tThisFlipGlobal = win.getFutureFlipTime(clock=None)
+ frameN = frameN + 1 # number of completed frames (so 0 is the first frame)
+ # update/draw components on each frame
+
+ # *letter* updates
+ if letter.status == NOT_STARTED and tThisFlip >= 2-frameTolerance:
+ # keep track of start time/frame for later
+ letter.frameNStart = frameN # exact frame index
+ letter.tStart = t # local t and not account for scr refresh
+ letter.tStartRefresh = tThisFlipGlobal # on global time
+ win.timeOnFlip(letter, 'tStartRefresh') # time at next scr refresh
+ letter.setAutoDraw(True)
+ if letter.status == STARTED:
+ # is it time to stop? (based on global clock, using actual start)
+ if tThisFlipGlobal > letter.tStartRefresh + 0.03-frameTolerance:
+ # keep track of stop time/frame for later
+ letter.tStop = t # not accounting for scr refresh
+ letter.frameNStop = frameN # exact frame index
+ win.timeOnFlip(letter, 'tStopRefresh') # time at next scr refresh
+ letter.setAutoDraw(False)
+
+ # check for quit (typically the Esc key)
+ if endExpNow or defaultKeyboard.getKeys(keyList=["escape"]):
+ core.quit()
+
+ # check if all components have finished
+ if not continueRoutine: # a component has requested a forced-end of Routine
+ break
+ continueRoutine = False # will revert to True if at least one component still running
+ for thisComponent in trialComponents:
+ if hasattr(thisComponent, "status") and thisComponent.status != FINISHED:
+ continueRoutine = True
+ break # at least one component has not yet finished
+
+ # refresh the screen
+ if continueRoutine: # don't flip if this routine is over or we'll get a blank screen
+ win.flip()
+
+ # -------Ending Routine "trial"-------
+ for thisComponent in trialComponents:
+ if hasattr(thisComponent, "setAutoDraw"):
+ thisComponent.setAutoDraw(False)
+ trials.addData('letter.started', letter.tStartRefresh)
+ trials.addData('letter.stopped', letter.tStopRefresh)
+ thisExp.nextEntry()
+
+# completed 20 repeats of 'trials'
+
+
+# Flip one final time so any remaining win.callOnFlip()
+# and win.timeOnFlip() tasks get executed before quitting
+win.flip()
+
+# these shouldn't be strictly necessary (should auto-save)
+thisExp.saveAsWideText(filename+'.csv')
+thisExp.saveAsPickle(filename)
+logging.flush()
+# make sure everything is closed down
+thisExp.abort() # or data files will save again on exit
+win.close()
+core.quit()