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OrientationWheelTask_Exo_v2.m
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OrientationWheelTask_Exo_v2.m
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% OrientationWheelTask_Exo_v2()
% Runs a color working memory task a la Zhang & Luck (2008). The task
% requires memory for the color of briefly presented squares. Participants
% then report the color of a single probed square using a contnuous report
% task.
%
%
% Fixation appears for one entrainer length instead of a blank screen.
%
% -------------------------------------------------------------------------
% :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
% _________________________________________________________________________
%
% /////////////////////////////////////////////////////////////////////////
%
% ==== TRIGGERS ====
%
% Start eye tracker: 199
%
% -- Targets Present --
% Trial start (fixation): 1
% Entrainers: 61-68*
% Cue:
% left: 2
% right: 3
% both: 9
% Target:
% left: 30
% right: 20
% Mask: 90
% Response screen target: 5
% Response target: 80
% Response screen Y/N: 25
% Response Yes: 180
% Response No: 185
% Response invalid: 150
%
% -- Targets Not Present --
% Trial start (fixation): 11
% Entrainers: 61-68
% Cue:
% left: 12
% right: 13
% both: 19
% Target: 40
% Mask: 95
% Response screen target: 15
% Response target: 70
% Response screen Y/N: 35
% Response Yes: 170
% Response No: 175
% Response invalid: 140
%
% /////////////////////////////////////////////////////////////////////////
function OrientationWheelTask_Exo_v2()
ccc
try
prepareEnvironment;
% /////////////////////////////////////////////////////////////////////////
% -------------------------------------------------------------------------
% Input participant's number, name, date of testing, preferences
part_num = input('Participant Number:','s');
Filename = ['M:\Experiments\OrientWheel_Exo\Orient_Data\' part_num '_Orient_Exo.mat'];
% Do you already have a color value or use default?
color_yn = input('Do you want to input the target color? [y or n]:','s');
if strncmpi(color_yn,'y',1)
% If not doing staircasing, input target color (0 black to 128 background grey)
xtarget_gray = input('Target color [0 to 128]:','s');
xtarget_gray = str2num(xtarget_gray); %convert input to number
end
% Is eyetracking going to be used?
% eyetrack_yn = input('Are you using the eye tracker? [y or n]:','s');
eyetrack_yn = 'n'; %eyetracker not working so always no for now
% +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
% /////////////////////////////////////////////////////////////////////////
% +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
window = openWindow(); %get info for psychtoolbox
prefs = getPreferences(); %get task variable info
% /////////////////////////////////////////////////////////////////////////
% /////////////////////////////////////////////////////////////////////////
%% Instructions for experimenter to start eye tracking
if strncmpi(eyetrack_yn,'y',1)
Screen('FillRect',window.onScreen,window.gray);
DrawFormattedText(window.onScreen,'Calibrated? Start EEG Recording and Press the SPACE BAR','center','center',[]);
Screen('FillRect',window.onScreen,Vpixx2Vamp(0),prefs.trigger_size);
Screen('Flip',window.onScreen)
KbWait;
Screen('FillRect',window.onScreen,window.gray);
Screen('FillRect',window.onScreen,Vpixx2Vamp(199),prefs.trigger_size);
Screen('Flip',window.onScreen);
% system('C:\Users\user\Downloads\CoreSDK\CoreSDK\samples\Streams\Interaction_Streams_101\bin\Debug\Interaction_Streams_101.exe &');
system('M:\Experiments\micb_eyetrack\CoreSDK\CoreSDK\samples\Streams\Interaction_Streams_101\bin\Debug\Interaction_Streams_101.exe &');
WaitSecs(2);
end
% +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
% /////////////////////////////////////////////////////////////////////////
% +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
% counter of trials per block
nblock = prefs.trials_per_block + 20; %including the first 20 practice trials
% total number of trials including practice trials
ntotaltrial = prefs.nTrials + 20; %add 20 practice trials
% -------------------------------------------------------------------------
% Get presentation timing information
refresh = Screen('GetFlipInterval', window.onScreen); % Get flip refresh rate
slack = refresh/2; % Divide by 2 to get slack
% -------------------------------------------------------------------------
% Get rects for each item.
rects = cell(1, max(prefs.setSizes));
for i = 1:max(prefs.setSizes)
rects{i} = circularArrayRects([0, 0, prefs.squareSize, prefs.squareSize], ...
i, prefs.radius, window.centerX, window.centerY)';
end
% -------------------------------------------------------------------------
% Center the target oval & cues on the centre of the screen
centeredRectresp = CenterRectOnPointd(prefs.baseCircleresp,window.centerX,window.centerY);
centeredRectrespR = CenterRectOnPointd(prefs.baseCircleresp,window.centerXR,window.centerY);
centeredRectrespL = CenterRectOnPointd(prefs.baseCircleresp,window.centerXL,window.centerY);
% -------------------------------------------------------------------------
% Set colors of stimuli
% prefs.mask_gray = window.gray - prefs.mask_thresh; %mask color (77.5)
prefs.mask_gray = 0; %default is black
% Use default stimuli colors if not specified above
if strncmpi(color_yn,'y',1)
% prefs.targ_gray = window.gray - prefs.targ_thresh; %default target color (77.5)
prefs.targ_gray = xtarget_gray;
else
prefs.targ_gray = 0; %default is black
end
% -------------------------------------------------------------------------
% Create offscreen window with the texture of the mask
maskwin = createMasktex(window,prefs);
% -------------------------------------------------------------------------
% Get coordinates of the place holder
placeRect = createPlaceHolder(window,prefs);
% -------------------------------------------------------------------------
% Create offscreen window with the cues
CueL = createCueL(window); %create offscreen window with cue
CueR = createCueR(window); %create offscreen window with cue
CueN = createCueN(window); %create offscreen window with non-informative cue
% -------------------------------------------------------------------------
% Put up instructions and wait for keypress.
instruct(window,prefs);
% -------------------------------------------------------------------------
% Location of orientations on screen
orientWheelLocations = orientwheelLocations(window,prefs);
% -------------------------------------------------------------------------
% +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
% -------------------------------------------------------------------------
% +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
%% Set up the random mix of lags and target position and cue for each block
%Now to find a lag you pick the next random index between 1:n_lags from i_lags
%Then you find that index in all_lags, it tells you where to look in lags
all_lags = [1:prefs.n_lags];
if prefs.lags_per_block > 1
for i_lag = 2:prefs.lags_per_block
all_lags = [all_lags 1:prefs.n_lags];
end
end
i_lags = randperm(prefs.lags_per_block * (prefs.n_lags));
all_lags = all_lags(i_lags);
clear i_lag
%set up the right/left target location
position = 1;
for i_pos = 2:ntotaltrial
if i_pos <= round(ntotaltrial/2)
position = [position 1]; % 1 is right
else
position = [position 0]; % 0 is left
end
end
position = position(randperm(ntotaltrial));
%set up the valid/invalid cues (1=informative)
valid = 1;
validtrials = ntotaltrial*prefs.p_validity;
for i_valid = 2:ntotaltrial
if i_valid > round(validtrials)
valid = [valid 0];
else
valid = [valid 1];
end
end
clear i_valid
valid = valid(randperm(ntotaltrial));
%set up the catch trials on every n-lagsth trial
p = 1/prefs.p_catchtrials;
q = 1/prefs.p_catchtrials;
present = [1];
for i_pres = 2:ntotaltrial
if i_pres == p
present = [present 0];
p = p + q;
else
present = [present 1];
end
end
rand_pres = randperm(ntotaltrial);
present = present(rand_pres);
clear rand_pres
% Pre-allocate some variables
allCoords_targ = cell(1,ntotaltrial);
trialOrient = cell(1,ntotaltrial);
% +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
% :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
% +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
%% START TASK
for trialIndex = 1:ntotaltrial
lag = prefs.lags(all_lags(trialIndex))/5;
% Determine how many items there are on this trial and the duration (this is left over code from original task)
nItems = 1; %should always be 1 because there will only be 1 target
retentionInterval = prefs.retentionIntervals; %(prefs.fullFactorialDesign(prefs.order(trialIndex), 2));
% Pick an item to test.
% itemToTest(trialIndex) = randsample(1:nItems); %legacy code that no longer works
itemToTest(trialIndex) = nItems; %nItems should always be 1 because there will only be 1 target
% Pick the orientation for this trial.
trialOrient{trialIndex} = prefs.degslocs(prefs.selectorientTrial(trialIndex));
if present(trialIndex) == 1
pause(window);
%Present Fixation
Screen('FillRect', window.onScreen, window.gray);
Screen('DrawDots', window.onScreen, [window.centerX, window.centerY], prefs.fixationSize, 255);
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect); %placeholder
Screen('FillRect',window.onScreen, Vpixx2Vamp(1), prefs.trigger_size);
t_fixate_onset = Screen('Flip', window.onScreen);
elseif present(trialIndex) == 0
pause(window);
%Present Fixation
Screen('FillRect', window.onScreen, window.gray);
Screen('DrawDots', window.onScreen, [window.centerX, window.centerY], prefs.fixationSize, 255);
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect); %placeholder
Screen('FillRect',window.onScreen, Vpixx2Vamp(11), prefs.trigger_size);
t_fixate_onset = Screen('Flip', window.onScreen);
end
% Interval (refresh screen)
Screen('FillOval', window.onScreen, window.gray, rects{nItems});
Screen('DrawDots', window.onScreen, [window.centerX, window.centerY], prefs.fixationSize, 255); %keep fixation till target
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect); %placeholder
Screen('FillRect',window.onScreen,Vpixx2Vamp(0),prefs.trigger_size);
Screen('Flip', window.onScreen);
% =========================================================================
%% Cue
if present(trialIndex) == 1 %two options depending on whether the target is present or absent
if valid(trialIndex) == 0 %non-informative cue
% present the non-informative cue
Screen('DrawTexture', window.onScreen, CueN, [], [], [], 0);
Screen('DrawDots', window.onScreen, [window.centerX, window.centerY], prefs.fixationSize, 255);%draw fixation
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect); %placeholder
Screen('FillRect',window.onScreen,Vpixx2Vamp(9),prefs.trigger_size);
else %informative cue
if position(trialIndex) == 0
% present the Left cue
Screen('DrawTexture', window.onScreen, CueL, [], [], [], 0);
Screen('DrawDots', window.onScreen, [window.centerX, window.centerY], prefs.fixationSize, 255);%draw fixation
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect); %placeholder
Screen('FillRect',window.onScreen,Vpixx2Vamp(2),prefs.trigger_size);
end
if position(trialIndex) == 1
% present the Right cue
Screen('DrawTexture', window.onScreen, CueR, [], [], [], 0);
Screen('DrawDots', window.onScreen, [window.centerX, window.centerY], prefs.fixationSize, 255);%draw fixation
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect); %placeholder
Screen('FillRect',window.onScreen,Vpixx2Vamp(3),prefs.trigger_size);
end
end
elseif present(trialIndex) == 0 %no target
if valid(trialIndex) == 0 %non-informative cue
% present the non-informative cue
Screen('DrawTexture', window.onScreen, CueN, [], [], [], 0);
Screen('DrawDots', window.onScreen, [window.centerX, window.centerY], prefs.fixationSize, 255);%draw fixation
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect); %placeholder
Screen('FillRect',window.onScreen,Vpixx2Vamp(19),prefs.trigger_size);
else %informative cue
if position(trialIndex) == 0
% present the Left cue
Screen('DrawTexture', window.onScreen, CueL, [], [], [], 0);
Screen('DrawDots', window.onScreen, [window.centerX, window.centerY], prefs.fixationSize, 255);%draw fixation
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect); %placeholder
Screen('FillRect',window.onScreen,Vpixx2Vamp(12),prefs.trigger_size);
end
if position(trialIndex) == 1
% present the Right cue
Screen('DrawTexture', window.onScreen, CueR, [], [], [], 0);
Screen('DrawDots', window.onScreen, [window.centerX, window.centerY], prefs.fixationSize, 255);%draw fixation
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect); %placeholder
Screen('FillRect',window.onScreen,Vpixx2Vamp(13),prefs.trigger_size);
end
end
end
tcue_onset = Screen('Flip',window.onScreen,t_fixate_onset + prefs.fixation_length*refresh - slack);
prefs.fixation_time(trialIndex) = tcue_onset - t_fixate_onset;
% Post-cue interval
Screen('FillOval', window.onScreen, window.gray, rects{nItems});
Screen('DrawDots', window.onScreen, [window.centerX, window.centerY], prefs.fixationSize, 255); %keep fixation till target
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect); %placeholder
Screen('FillRect',window.onScreen,Vpixx2Vamp(0),prefs.trigger_size);
tblank_onset = Screen('Flip',window.onScreen,tcue_onset + prefs.cue_length*refresh - slack);
% =========================================================================
%% Entrainers
if prefs.n_entrs > 0
Screen('FillOval', window.onScreen, window.gray, rects{nItems});
Screen('DrawDots', window.onScreen, [window.centerX, window.centerY], prefs.fixationSize, 255); %keep fixation till target
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect); %placeholder
Screen('FillRect',window.onScreen,Vpixx2Vamp(61),prefs.trigger_size);
tentr_onset = Screen(window.onScreen, 'Flip',tblank_onset + prefs.preblank_length*refresh - slack);
if prefs.n_entrs > 1
for i_entr = 2:prefs.n_entrs
Screen('FillOval', window.onScreen, window.gray, rects{nItems});
Screen('FillRect',window.onScreen,Vpixx2Vamp(0),prefs.trigger_size);
tblank_onset = Screen(window.onScreen, 'Flip', tentr_onset + prefs.entr_length*refresh - slack);
Screen('FillOval', window.onScreen, (prefs.entr_grey+window.gray),...
[rects{nItems}(1)-prefs.maskwidth, rects{nItems}(2)-prefs.maskwidth,rects{nItems}(3)+prefs.maskwidth,...
rects{nItems}(4)+prefs.maskwidth]);
Screen('FillOval', window.onScreen, window.gray, rects{nItems});
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect); %placeholder
Screen('FillRect',window.onScreen,Vpixx2Vamp(60 + i_entr),prefs.trigger_size);
tentr_onset = Screen(window.onScreen, 'Flip', tblank_onset + prefs.entr_gap_length*refresh - slack);
end
end
end
% =========================================================================
%% Lag
Screen('FillOval', window.onScreen, window.gray, rects{nItems});
Screen('DrawDots', window.onScreen, [window.centerX, window.centerY], prefs.fixationSize, 255); %keep fixation till target
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect); %placeholder
Screen('FillRect',window.onScreen,Vpixx2Vamp(0),prefs.trigger_size);
tlag_onset = Screen(window.onScreen, 'Flip', tentr_onset + prefs.entr_length*refresh - slack);
% =========================================================================
% =========================================================================
if present(trialIndex) == 1 %two options depending on whether the target is present or absent
% =========================================================================
%% Draw the target stimulus
%same for left and right targets
yadj = prefs.orientwheel(2,trialOrient{trialIndex}); %adjust lines y position
xadj = prefs.orientwheel(1,trialOrient{trialIndex}); %adjust lines x position
yadj2 = prefs.orientwheel2(2,trialOrient{trialIndex}); %adjust lines y position
xadj2 = prefs.orientwheel2(1,trialOrient{trialIndex}); %adjust lines x position
% Set the coordinates (these are all relative to zero we will let
% the drawing routine center it for us)
xCoords = [xadj -xadj2 xadj xadj2 xadj 0];
yCoords = [yadj yadj2 yadj -yadj2 yadj 0];
allCoords_targ{trialIndex} = [xCoords; yCoords];
% =========================================================================
%% Right Target
if position(trialIndex) == 1 %right target
% Draw the orientation lines, set it to the center of our screen and set good quality antialiasing
Screen('DrawLines', window.onScreen, allCoords_targ{trialIndex}, prefs.lineWidthPix, prefs.targ_gray, [window.centerXR window.centerY], 2);
% Draw the central circle to the screen
Screen('FillOval', window.onScreen, prefs.targ_gray, centeredRectrespR');
% Draw fixation
Screen('DrawDots', window.onScreen, [window.centerX, window.centerY], prefs.fixationSize, 255);
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect); %placeholder
% Draw trigger
Screen('FillRect',window.onScreen,Vpixx2Vamp(20),prefs.trigger_size);
% =========================================================================
else
%% Left Target
% Draw the orientation lines, set it to the center of our screen and set good quality antialiasing
Screen('DrawLines', window.onScreen, allCoords_targ{trialIndex}, prefs.lineWidthPix, prefs.targ_gray, [window.centerXL window.centerY], 2);
% Draw the central circle to the screen
Screen('FillOval', window.onScreen, prefs.targ_gray, centeredRectrespL');
% Draw fixation
Screen('DrawDots', window.onScreen, [window.centerX, window.centerY], prefs.fixationSize, 255);
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect); %placeholder
% Draw trigger
Screen('FillRect',window.onScreen,Vpixx2Vamp(30),prefs.trigger_size);
end
% =========================================================================
else
%% present the Missing Target
Screen('FillOval', window.onScreen, window.gray, rects{nItems});
% Draw fixation
Screen('DrawDots', window.onScreen, [window.centerX, window.centerY], prefs.fixationSize, 255);
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect); %placeholder
% Draw trigger
Screen('FillRect',window.onScreen,Vpixx2Vamp(40),prefs.trigger_size);
end
% =========================================================================
% Post the stimulus
ttarget_onset = Screen('Flip', window.onScreen,tlag_onset + prefs.lagISI(all_lags(trialIndex))*refresh - slack);
% =========================================================================
%% blank Inter stimulus interval
Screen('FillOval', window.onScreen, window.gray, rects{nItems});
%draw fixation
Screen('DrawDots', window.onScreen, [window.centerX, window.centerY], prefs.fixationSize, 255);
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect); %placeholder
Screen('FillRect',window.onScreen,Vpixx2Vamp(0),prefs.trigger_size);
tISI_onset = Screen('Flip', window.onScreen, ttarget_onset + prefs.targ_length*refresh - slack);
% =========================================================================
%% Mask
% Draw the texture
if present(trialIndex) == 1
Screen('DrawTexture', window.onScreen, maskwin, [], [], [], 0);
%draw fixation
Screen('DrawDots', window.onScreen, [window.centerX, window.centerY], prefs.fixationSize, 255);
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect); %placeholder
Screen('FillRect',window.onScreen,Vpixx2Vamp(90),prefs.trigger_size);
elseif present(trialIndex) == 0
Screen('DrawTexture', window.onScreen, maskwin, [], [], [], 0);
%draw fixation
Screen('DrawDots', window.onScreen, [window.centerX, window.centerY], prefs.fixationSize, 255);
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect); %placeholder
Screen('FillRect',window.onScreen,Vpixx2Vamp(95),prefs.trigger_size);
end
t_maskonset = Screen('Flip', window.onScreen, tISI_onset + prefs.maskISI*refresh - slack);
% Interval
Screen('FillOval', window.onScreen, window.gray, rects{nItems});
Screen('DrawDots', window.onScreen, [window.centerX, window.centerY], prefs.fixationSize, 255); %Draw fixation
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect); %placeholder
Screen('FillRect',window.onScreen,Vpixx2Vamp(0),prefs.trigger_size);
Screen('Flip', window.onScreen, t_maskonset + prefs.mask_length*refresh - slack);
% Retention interval
WaitSecs(retentionInterval);
% =========================================================================
%% Response Target
% Choose a orientation to test, then display the response screen.
data.presentedOrientRads(trialIndex) = deg2rad(trialOrient{trialIndex});
data.presentedOrientDegrees(trialIndex) = trialOrient{trialIndex};
if present(trialIndex) == 1
Screen('FillRect',window.onScreen, Vpixx2Vamp(5), prefs.trigger_size);
Screen('Flip', window.onScreen);
else
Screen('FillRect',window.onScreen, Vpixx2Vamp(15), prefs.trigger_size);
Screen('Flip', window.onScreen);
end
%------------------------------------------------------------------
% Set-up response stimuli.
%randomize starting location of lines if mouse is not moved
startdeg = prefs.degslocs(randi(length(prefs.degslocs),1));
centeredRectmouse = CenterRectOnPointd([prefs.orientwheel(1,startdeg),prefs.orientwheel(2,startdeg),...
20,20],window.centerX,window.centerY);
SetMouse(centeredRectmouse(1),centeredRectmouse(2)); %mouse start location
ShowCursor('Arrow');
clear centeredRectmouse
%------------------------------------------------------------------
% If mouse button is already down, wait for release.
GetMouse(window.onScreen);
buttons = 0;
while any(buttons)
[x, y, buttons] = GetMouse(window.onScreen);
end
%------------------------------------------------------------------
everMovedFromCenter = false;
while ~any(buttons) % keep track of mouse location if moved
[x,y,buttons] = GetMouse(window.onScreen);
[minDistance, minDistanceIndex] = min(sqrt((orientWheelLocations(1, :) - x).^2 + (orientWheelLocations(2, :) - y).^2));
if(minDistance < 3) %make sure subject moved mouse
everMovedFromCenter = true;
end
if(everMovedFromCenter) %as the mouse is moved, update coords of response stimulus to match
% new coordinates of start and end of lines based on mouse position
yloc = prefs.orientwheel(2,minDistanceIndex); %adjust lines y position
xloc = prefs.orientwheel(1,minDistanceIndex); %adjust lines x position
yloc2 = prefs.orientwheel2(2,minDistanceIndex); %for edge lines
xloc2 = prefs.orientwheel2(1,minDistanceIndex); %for edge lines
else
%starting location of lines if mouse is not moved - randomized
yloc = prefs.orientwheel(2,startdeg); %adjust lines y position
xloc = prefs.orientwheel(1,startdeg); %adjust lines x position
yloc2 = prefs.orientwheel2(2,startdeg); %for edge lines
xloc2 = prefs.orientwheel2(1,startdeg); %for edge lines
% yloc = -30;
% xloc = 0;
% yloc2 = 0;
% xloc2 = 2;
end
% Set the new coordinates
xCoords = [xloc -xloc2 xloc xloc2 xloc 0];
yCoords = [yloc yloc2 yloc -yloc2 yloc 0];
allCoords = [xCoords; yCoords];
% Draw the orient lines, set it to the center of our screen and
% set good quality antialiasing
Screen('DrawLines', window.onScreen, allCoords, prefs.lineWidthPix, prefs.mask_gray, [window.centerX window.centerY], 2);
% Draw the circle part of the stimulus to the screen
Screen('FillOval', window.onScreen, prefs.mask_gray, centeredRectresp');
Screen('FillRect',window.onScreen,Vpixx2Vamp(0),prefs.trigger_size);
Screen('Flip', window.onScreen);
clear xCoords yCoords allCoords
end
%------------------------------------------------------------------
if present(trialIndex) == 1
Screen('FillRect',window.onScreen,Vpixx2Vamp(80),prefs.trigger_size);
Screen('Flip', window.onScreen);
elseif present(trialIndex) == 0
Screen('FillRect',window.onScreen,Vpixx2Vamp(70),prefs.trigger_size);
Screen('Flip', window.onScreen);
end
% calculate response location
[respDistance, respDistanceIndex] = min(sqrt((orientWheelLocations(1,:) - x).^2 + (orientWheelLocations(2,:) - y).^2));
data.reportedOrientRads(trialIndex) = deg2rad(respDistanceIndex);
data.reportedOrientDegrees(trialIndex) = respDistanceIndex;
data.reportedRespDistance(trialIndex) = respDistance;
% put trial info into data structure
data.lags(trialIndex) = lag;
data.present(trialIndex) = present(trialIndex); %target present or absent
HideCursor
% =========================================================================
% =========================================================================
%% Response Yes/No
% SetMouse(window.centerX, window.centerY); %mouse at center
% ShowCursor('Arrow');
%
% % Create response screen
% answer = BinaryQuestion_OrientWheel(window.onScreen,255,window.black,...
% 'Did you see the target?','Yes','No', prefs.trigger_size, present(trialIndex));
%
% %------------------------------------------------------------------
% %Responded Yes
% if answer == 1
% data.seen_resp(trialIndex) = 1; %record response
% if present(trialIndex) == 1
% Screen('FillRect',window.onScreen,Vpixx2Vamp(180),prefs.trigger_size);
% Screen('Flip', window.onScreen);
% elseif present(trialIndex) == 0
% Screen('FillRect',window.onScreen,Vpixx2Vamp(170),prefs.trigger_size);
% Screen('Flip', window.onScreen);
% end
% % -------------------------------------------------------------------------------------------
% %Responded No
% elseif answer == 2
% data.seen_resp(trialIndex) = 0; %record response
% if present(trialIndex) == 1
% Screen('FillRect',window.onScreen,Vpixx2Vamp(185),prefs.trigger_size);
% Screen('Flip', window.onScreen);
% elseif present(trialIndex) == 0
% Screen('FillRect',window.onScreen,Vpixx2Vamp(175),prefs.trigger_size);
% Screen('Flip', window.onScreen);
% end
% % ------------------------------------------------------------------------------------------
% %Did not click on text
% else
% data.seen_resp(trialIndex) = -2; %record response
% if present(trialIndex) == 1
% Screen('FillRect',window.onScreen,Vpixx2Vamp(150),prefs.trigger_size);
% Screen('Flip', window.onScreen);
% elseif present(trialIndex) == 0
% Screen('FillRect',window.onScreen,Vpixx2Vamp(140),prefs.trigger_size);
% Screen('Flip', window.onScreen);
% end
% end
%
% HideCursor
%
% % =========================================================================
% =========================================================================
if trialIndex == ntotaltrial
finish(window);
elseif trialIndex == nblock
rest(window);
nblock = nblock + prefs.trials_per_block;
elseif trialIndex == 20 % first 20 trials are practice trials
practice(window);
end
% =========================================================================
end %end trials
% =========================================================================
%% Preliminary analysis of results.
%errors
data.errorDegrees = (180/pi) .* (angle(exp(1i*data.reportedOrientRads)./exp(1i*data.presentedOrientRads)));
data.errorRads = deg2rad(data.errorDegrees);
data.error_differenceRads = data.reportedOrientRads - data.presentedOrientRads;
data.error_differenceDegrees = data.reportedOrientDegrees - data.presentedOrientDegrees;
%lags
prefs.all_lags = all_lags;
%cues
data.position = position;
data.valid = valid;
save(Filename, 'data', 'prefs');
postpareEnvironment;
% =========================================================================
% =========================================================================
catch
postpareEnvironment;
psychrethrow(psychlasterror);
end % end try/catch
% =========================================================================
% =========================================================================
end % end whole script
% +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
% #########################################################################
% +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
% =========================================================================
% -------------------------------------------------------------------------
% #########################################################################
% #########################################################################
% -------------------------------------------------------------------------
% =========================================================================
% +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
% #########################################################################
% +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
function prepareEnvironment
ccc
HideCursor; % Comment out when debugging
commandwindow; % Select the command window to avoid typing in open scripts
% Seed the random number generator.
% RandStream.setDefaultStream(RandStream('mt19937ar', 'seed', sum(100*clock)));
RandStream.setGlobalStream(RandStream('mt19937ar', 'seed', sum(100*clock)));
% ListenChar(2); % Don't print to MATLAB command window
Screen('Preference', 'SkipSyncTests', 1); %choose 1 for test on an LCD
% /////////////////////////////////////////////////////////////////////////
%% Set up parallel port (for when triggers are sent with Vpixx2Vamp)
%initialize the inpoutx64 low-level I/O driver
config_io;
%optional step: verify that the inpoutx64 driver was successfully installed
global cogent;
if( cogent.io.status ~= 0 )
error('inp/outp installation failed');
end
%write a value to the default LPT1 printer output port (at 0x378)
address_eeg = hex2dec('B010');
outp(address_eeg,0); %set pins to zero
% /////////////////////////////////////////////////////////////////////////
end
% -------------------------------------------------------------------------
% #########################################################################
% -------------------------------------------------------------------------
%% End of experiment
function postpareEnvironment
ShowCursor;
% ListenChar(0);
Screen('CloseAll');
end
% -------------------------------------------------------------------------
% #########################################################################
% -------------------------------------------------------------------------
%% Orientation wheel task instructions
function instruct(window,prefs)
%Screen 1
% prefs = getPreferences();
Screen('TextSize', window.onScreen, window.fontsize);
Screen('DrawText', window.onScreen, 'The next few screens will briefly explain the task.',(window.centerX-400),(window.centerY+20), 255);
Screen('DrawText', window.onScreen, 'After the instructions, you will perform several practice trials followed by the experiment.',...
(window.centerX-400),(window.centerY+50), 255); %line every +30
Screen('DrawText', window.onScreen, 'On each screen click the mouse to continue.',(window.centerX-400),(window.centerY+80), 255); %line every +25
Screen('FillRect',window.onScreen, Vpixx2Vamp(0), prefs.trigger_size);
Screen('Flip', window.onScreen);
GetClicks(window.onScreen);
%Screen 2
Screen('TextSize', window.onScreen, window.fontsize);
Screen('DrawText', window.onScreen, 'A fixation dot will appear. Please remain focused on the white central dot during the ENTIRE task.',...
(window.centerX-600),(window.centerY+50), 255);
Screen('DrawDots', window.onScreen, [window.centerX, window.centerY], prefs.fixationSize, 255); %255 is text color (white)
Screen('FillRect',window.onScreen, Vpixx2Vamp(0), prefs.trigger_size);
%place holder
placeRect = createPlaceHolder(window,prefs);
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect);
Screen('Flip', window.onScreen);
GetClicks(window.onScreen);
%Screen 2.2
Screen('TextSize', window.onScreen, window.fontsize);
% CueL = createCueL(window,prefs); %create offscreen window with cue
CueR = createCueR(window); %create offscreen window with cue
Screen('DrawTexture', window.onScreen, CueR, [], [], [], 0);
Screen('DrawText', window.onScreen, 'An arrow will then briefly appear.',...
(window.centerX-400),(window.centerY+50), 255);
Screen('DrawText', window.onScreen, 'The arrow may be pointing right...',...
(window.centerX-400),(window.centerY+80), 255); %line every +30
%place holder
placeRect = createPlaceHolder(window,prefs);
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect);
%put stimulus and text on screen
Screen('FillRect',window.onScreen, Vpixx2Vamp(0), prefs.trigger_size);
Screen('Flip', window.onScreen);
GetClicks(window.onScreen);
%Screen 2.3
Screen('TextSize', window.onScreen, window.fontsize);
CueL = createCueL(window); %create offscreen window with cue
% CueR = createCueR(window,prefs); %create offscreen window with cue
Screen('DrawTexture', window.onScreen, CueL, [], [], [], 0);
Screen('DrawText', window.onScreen, 'Or, the arrow may be pointing left',...
(window.centerX-400),(window.centerY+50), 255);
Screen('DrawText', window.onScreen, 'The arrow indicates the side a target stimulus will most likely appear.',...
(window.centerX-400),(window.centerY+80), 255); %line every +30
Screen('DrawText', window.onScreen, 'While keeping your eyes focused on the center,',...
(window.centerX-400),(window.centerY+110), 255); %line every +30
Screen('DrawText', window.onScreen, 'pay attention COVERTLY (without moving your eyes) to the circle on the side the arrow is pointing.',...
(window.centerX-400),(window.centerY+140), 255); %line every +30
%place holder
placeRect = createPlaceHolder(window,prefs);
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect);
%put stimulus and text on screen
Screen('FillRect',window.onScreen, Vpixx2Vamp(0), prefs.trigger_size);
Screen('Flip', window.onScreen);
GetClicks(window.onScreen);
%Screen 2.4
Screen('TextSize', window.onScreen, window.fontsize);
CueN = createCueN(window); %create offscreen window with non-informative cue
Screen('DrawTexture', window.onScreen, CueN, [], [], [], 0);
Screen('DrawText', window.onScreen, 'Sometimes the arrow will be pointing both left and right.',...
(window.centerX-400),(window.centerY+50), 255);
Screen('DrawText', window.onScreen, 'This means the target stimulus can appear to either the left OR right.',...
(window.centerX-400),(window.centerY+80), 255); %line every +30
%place holder
placeRect = createPlaceHolder(window,prefs);
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect);
%put stimulus and text on screen
Screen('FillRect',window.onScreen, Vpixx2Vamp(0), prefs.trigger_size);
Screen('Flip', window.onScreen);
GetClicks(window.onScreen);
%Screen 3
Screen('TextSize', window.onScreen, window.fontsize);
Screen('DrawText', window.onScreen, 'The arrow will disappear and a target pointing in a certain direction will briefly appear inside the circle on the left OR right.',...
(window.centerX-600),(window.centerY+50), 255);
Screen('DrawText', window.onScreen, 'Your task is to try to detect which direction the target is pointing.',...
(window.centerX-400),(window.centerY+80), 255); %line every +30
Screen('DrawText', window.onScreen, 'It might be difficult to see the target, but still try your best.',...
(window.centerX-400),(window.centerY+110), 255); %line every +30
%---draw target stimulus---
xCoords = [15 1.73 15 -1.73 15 0];
yCoords = [-25.98 1 -25.98 -1 -25.98 0];
allCoords_targ = [xCoords; yCoords];
%right target
Screen('DrawLines', window.onScreen, allCoords_targ, prefs.lineWidthPix, prefs.mask_gray, [window.centerXR window.centerY], 2);
centeredRectresp = CenterRectOnPointd([0,0,10,10], window.centerXR, window.centerY); %location of center for oval
Screen('FillOval', window.onScreen, prefs.mask_gray, centeredRectresp');
%left target
Screen('DrawLines', window.onScreen, allCoords_targ, prefs.lineWidthPix, prefs.mask_gray, [window.centerXL window.centerY], 2);
centeredRectresp = CenterRectOnPointd([0,0,10,10], window.centerXL, window.centerY); %location of center for oval
Screen('FillOval', window.onScreen, prefs.mask_gray, centeredRectresp');
%place holder
placeRect = createPlaceHolder(window,prefs);
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect);
%put stimulus and text on screen
Screen('FillRect',window.onScreen, Vpixx2Vamp(0), prefs.trigger_size);
Screen('Flip', window.onScreen);
GetClicks(window.onScreen);
%Screen 4
Screen('TextSize', window.onScreen, window.fontsize);
maskwin = createMasktex(window,prefs); %create offscreen window with mask
Screen('DrawTexture', window.onScreen, maskwin, [], [], [], 0);
Screen('DrawText', window.onScreen, 'A star-like shape will then quickly appear and then disappear.',...
(window.centerX-400),(window.centerY+50), 255);
Screen('DrawText', window.onScreen, 'Remember that you want to detect the direction of the target, not the star.',...
(window.centerX-400),(window.centerY+80), 255); %line every +30
%place holder
placeRect = createPlaceHolder(window,prefs);
Screen('FrameOval', window.onScreen, prefs.mask_gray, placeRect);
Screen('FillRect',window.onScreen,Vpixx2Vamp(0),prefs.trigger_size);
Screen('Flip', window.onScreen);
GetClicks(window.onScreen);
%Screen 5
%draw target stimulus
xCoords = [-21.21 -1.41 -21.21 1.41 -21.21 0];
yCoords = [21.21 -1.41 21.21 1.41 21.21 0];
allCoords_targ = [xCoords; yCoords];
Screen('DrawLines', window.onScreen, allCoords_targ, prefs.lineWidthPix, prefs.mask_gray, [window.centerX window.centerY], 2);
centeredRectresp = CenterRectOnPointd([0,0,10,10], window.centerX, window.centerY);
Screen('FillOval', window.onScreen, prefs.mask_gray, centeredRectresp');
Screen('TextSize', window.onScreen, window.fontsize);
Screen('DrawText', window.onScreen, 'Another target will then appear on screen.',(window.centerX-880),(window.centerY-50), 255);
Screen('DrawText', window.onScreen, 'Using the mouse, move the new target until',(window.centerX-880),(window.centerY), 255);
Screen('DrawText', window.onScreen, 'it is pointing in the exact same direction',(window.centerX-880),(window.centerY+30), 255);
Screen('DrawText', window.onScreen, 'of the original target that appeared in the circle.',(window.centerX-880),(window.centerY+60), 255);
Screen('DrawText', window.onScreen, 'If you are unsure of the direction of the target,',(window.centerX-880),(window.centerY+110), 255);
Screen('DrawText', window.onScreen, 'or if you did not see a target, please provide',(window.centerX-880),(window.centerY+140), 255);
Screen('DrawText', window.onScreen, 'your best guess.',(window.centerX-880),(window.centerY+170), 255);
Screen('FillRect',window.onScreen, Vpixx2Vamp(0), prefs.trigger_size);
Screen('Flip', window.onScreen);
GetClicks(window.onScreen);
%Screen 6
Screen('TextSize', window.onScreen, window.fontsize);
Screen('DrawText', window.onScreen, 'You will now complete several practice trials so that you become more familiar with the task.',(window.centerX-400),(window.centerY+20), 255);
Screen('DrawText', window.onScreen, 'Remember to remain focused and fixated on the white central dot that will appear.',(window.centerX-400),(window.centerY+50), 255);
Screen('DrawText', window.onScreen, 'Click the left mouse button when you are ready to begin the practice trials.',(window.centerX-400),(window.centerY+80), 255);
Screen('FillRect',window.onScreen, Vpixx2Vamp(0), prefs.trigger_size);
Screen('Flip', window.onScreen);
GetClicks(window.onScreen);
end
% -------------------------------------------------------------------------
% #########################################################################
% -------------------------------------------------------------------------
function pause(window)
prefs = getPreferences();
Screen('FillRect', window.onScreen, window.gray);
Screen('FillRect',window.onScreen, Vpixx2Vamp(0), prefs.trigger_size);
Screen('Flip', window.onScreen);
WaitSecs(0.5);
end
% -------------------------------------------------------------------------
% #########################################################################
% -------------------------------------------------------------------------
function practice(window)
prefs = getPreferences();
Screen('TextSize', window.onScreen, window.fontsize);
Screen('DrawText', window.onScreen, 'You have now finished the set of practice trials.',(window.centerX-400),(window.centerY+20), 255);
Screen('DrawText', window.onScreen, 'Please let the experimenter know by using the call box.',(window.centerX-400),(window.centerY+50), 255);
Screen('DrawText', window.onScreen, 'Do NOT begin the experiment.',(window.centerX-400),(window.centerY+80), 255);
Screen('FillRect',window.onScreen, Vpixx2Vamp(0), prefs.trigger_size);
Screen('Flip', window.onScreen);
GetClicks(window.onScreen);
end
% -------------------------------------------------------------------------
% #########################################################################
% -------------------------------------------------------------------------
function rest(window)
prefs = getPreferences();
Screen('TextSize', window.onScreen, window.fontsize);
Screen('DrawText', window.onScreen, 'Feel free to take a break at this time. Click the mouse when you are ready to continue.',...
(window.centerX-400),(window.centerY+20), 255);
Screen('FillRect',window.onScreen, Vpixx2Vamp(0), prefs.trigger_size);
Screen('Flip', window.onScreen);
GetClicks(window.onScreen);
end
% -------------------------------------------------------------------------
% #########################################################################
% -------------------------------------------------------------------------
function finish(window)
prefs = getPreferences();
Screen('TextSize', window.onScreen, window.fontsize);
Screen('DrawText', window.onScreen, 'You are now finished the experiment. Thank you for your time.',...
(window.centerX-400),(window.centerY+20), 255);
Screen('FillRect',window.onScreen, Vpixx2Vamp(0), prefs.trigger_size);
Screen('Flip', window.onScreen);
GetClicks(window.onScreen);
end
% -------------------------------------------------------------------------
% #########################################################################
% -------------------------------------------------------------------------
% function drawFixation(window, fixationX, fixationY, fixationSize)
% prefs = getPreferences();
% Screen('DrawDots', window.onScreen, [fixationX, fixationY], fixationSize, 255);
% Screen('FillRect',window.onScreen, Vpixx2Vamp(0), prefs.trigger_size);
% end
% -------------------------------------------------------------------------
% #########################################################################
% -------------------------------------------------------------------------
function offsets = circularArrayOffsets(n, centerX, centerY, radius, rotation)
degreeStep = 360/n;
offsets = [sind(0:degreeStep:(360-degreeStep) + rotation)'.* radius, ...
cosd(0:degreeStep:(360-degreeStep) + rotation)'.* radius];
end
% -------------------------------------------------------------------------
% #########################################################################
% -------------------------------------------------------------------------
function rects = circularArrayRects(rect, nItems, radius, centerX, centerY)
coor = circularArrayOffsets(nItems, centerX, centerY, radius, 0) + repmat([centerX centerY], nItems, 1);
rects = [coor(:, 1)-rect(3)/2 , coor(:, 2)-rect(3)/2, coor(:, 1)+rect(3)/2, coor(:, 2)+rect(3)/2];
end
% -------------------------------------------------------------------------
% #########################################################################
% -------------------------------------------------------------------------
%% ~~~ Open the main window and get dimensions ~~~
function window = openWindow()
window.screenNumber = max(Screen('Screens'));
window.onScreen = Screen('OpenWindow', window.screenNumber, [127.5 127.5 127.5]);
Screen('BlendFunction', window.onScreen, 'GL_SRC_ALPHA', 'GL_ONE_MINUS_SRC_ALPHA');
[window.screenX, window.screenY] = Screen('WindowSize', window.onScreen); % check resolution
window.screenRect = [0, 0, window.screenX, window.screenY]; % screen rect
window.centerX = window.screenX * 0.5; % center of screen in X direction
window.centerY = window.screenY * 0.5; % center of screen in Y direction
window.centerXL = floor(mean([0, window.centerX])); % center of left half of screen in X direction
window.centerXR = floor(mean([window.centerX, window.screenX])); % center of right half of screen in X direction
% targets need to be closer to the center (~6.3 degrees of arc)
window.centerXL = floor(mean([window.centerXL, window.centerX])); % center of the center left half of screen in X direction
window.centerXR = floor(mean([window.centerXR, window.centerX])); % center of the center right half of screen in X direction
% Basic drawing and screen variables.
window.black = BlackIndex(window.onScreen); % RGB value = 0
window.white = WhiteIndex(window.onScreen); % RGB value = 255
window.gray = mean([window.black window.white]); % RGB value = 127.5
window.fontsize = 26; % size of instruction text
window.bgcolor = window.gray; % set background color