LD_static_MAE_v5.m

function LD_static_MAE_v5(subject, session, debug)

%In this version, we add multiple velocities
% subject = 'sub-01'; 
% session = 1;                                                                                                                           
% debug = 0;


ex.version = 'v5';
%%%% resolution 
if debug == 1

    ex.screenWidth = 40;             % in cm; %laptop=27.5,office=43, %19=%T3b, miniHelm=39;
    ex.viewingDist = 46;             % in cm; 3Tb/office=43, miniHelm=57;
	ex.resolution = SetResolution(max(Screen('Screens')),1280,1024,85); % laptop 1920,1080/ 2880, 1800 ,0
    ex.gammaCorrection = 0;       % make sure this = 1 when you're at the scanner!
else                                                                                                                            
    ex.screenWidth = 40;             % in cm; % 16 in eye tracking room 425%laptop=27.5,office=43, %19=%T3b, miniHelm=39;
    ex.viewingDist = 46;             % in cm; %23 in eye tracking                                                                                                                          room 425 3Tb/office=43, miniHelm=57;
    ex.resolution = SetResolution(max(Screen('Screens')),1280,1024,85); % ET room 1600,900,60
    ex.gammaCorrection = 1;       % make sure this = 1 when you're at the scanner!
end

%%%% keyboard
[keyboardIndices, productNames, ~] = GetKeyboardIndices ;
deviceNumber = keyboardIndices(1);
responseKeys = zeros(1,256);
responseKeys(KbName('4'))=1; % button box 1
responseKeys(KbName('1'))=1; % button box 2
responseKeys(KbName('0'))=1; % button box 3
% responseKeys(KbName('4'))=1; % button box 4
responseKeys(KbName('4$'))=1; % button box 1
responseKeys(KbName('1!'))=1; % button box 2
responseKeys(KbName('0)'))=1; % button box 3
% responseKeys(KbName('4$'))=1; % button box 4

Screen('Preference', 'SkipSyncTests', 0);

% ex.scanNum = input('Scan number :');
ex.runNum = input('Run number :');

%%% basic naming set-up
ex.subject = subject;
ex.session = session;


%%%% set-up rand
ex.startTime = clock;
rng(sum(100*ex.startTime));
ex.rand = rng;

%%%% files and things
ex.root = pwd;
ex.date = datestr(now,30);



%%%% 2D sine wave grating inducers properties
ex.stim.spatialFreqDeg = 0.25;%0.5/2;   % cycles per degree of visual angle
ex.stim.orientation = [180]; %[90 180];                                                % in degrees
ex.stim.gaborHDeg = 12;                                                   % in degrees of visual angle
ex.stim.gaborWDeg = 6; 
ex.stim.gapSizeDeg = 5;
ex.stim.distFromFixDeg = (ex.stim.gaborWDeg+ex.stim.gapSizeDeg)/2;%3;%2; %1.5 %each grating edge 1.5 deg horizontal away from fixation (grating center 6 deg away)

% ex.stim.backgroundLum = [0 0 0; 0 0 0];
ex.stim.backgroundLum = [30 30 30; 30 30 30];
ex.stim.contrast = 0.15;
ex.stim.contrastOffset = [(ex.stim.backgroundLum(1,1)./255)./(1-ex.stim.contrast); ex.stim.backgroundLum(2,1)./255];%+ex.stim.contrast/2;
ex.stim.luminanceRange = 2*ex.stim.contrast*ex.stim.contrastOffset;
ex.stim.contrastMultiplicator = ex.stim.luminanceRange./2;  % for sine wave

ex.stim.maxLum = 255*(ex.stim.contrastOffset+ex.stim.contrastMultiplicator);
ex.stim.minLum = 255*(ex.stim.contrastOffset-ex.stim.contrastMultiplicator);
ex.stim.contrast = (ex.stim.maxLum-ex.stim.minLum)./(ex.stim.maxLum+ex.stim.minLum);



%% Background Luminance levels for each phantom condition
% 255*(0.55-0.03/2) =136.4250
% 255*(0.55-0.15/2) =121.125
% 255*(0.55-0.7/2) = 51
%% Background Luminance level for phantom control conditions
%0.55*255 = 140.25

%%%% sine wave grating timing (within block scale)
ex.initialFixation = 6;        % in seconds
ex.finalFixation = 2;          % in seconds
ex.blockLength = 120; %120; %ex.trialFixation+ ceil(ex.stimDur*ex.stimsPerBlock);           % in seconds
ex.testLength = 1;% in seconds
ex.ITI1 = 2;
ex.ITI2 = 1;% in seconds
% ex.ITI3 = 2; %+9 sec break every 10 trial
% ex.betweenBlocks = 2;          % in seconds
ex.flipsPerSec = 60;  % 60;         % number of phase changes we want from the visual stimulus, and thus the number of times we want to change visual stimulation on the screen
ex.flipWin = 1/ex.flipsPerSec;         % in seconds then actually in 1 sec the stimuli will change 12 times 
ex.stim.cycPerSec = 1; % 2.78 deg/s is the drifting speed drifting speed in cycles of grating per sec
ex.stim.motionRate = 360*ex.stim.cycPerSec; %drifting speed in degrees of visual angle per sec
ex.stim.dphase = ex.stim.motionRate/ex.flipsPerSec; %degrees per flip


%%%% Test stimulus: counterphasing grating
ex.test.spatialFreqDeg = ex.stim.spatialFreqDeg;
ex.test.contrastOffset = ex.stim.backgroundLum(:,1)./255;% (ex.stim.backgroundLum(1,1)./255)./(1-ex.stim.contrast);
ex.test.contrast = 0.1;
ex.test.luminanceRange = 2*ex.test.contrast*ex.test.contrastOffset;%0.1; %linspace(0.01,0.20,10);%[0.05, 0.10, 0.15];                                                 % in %, maybe?? %here the number of stimulus contrast levels is the number of different conditions
ex.test.contrastMultiplicator = ex.test.luminanceRange/2;  % for sine wave 0.5 = 100% contrast, 0.2 = 40%

%0.2+0.7/2;%0.425;
ex.test.gaborHDeg = ex.stim.gaborHDeg; %ex.stim.gapSizeDeg*(2/3);                                                  % in degrees of visual angle
ex.test.gaborWDeg = ex.stim.gapSizeDeg*2/3; %ex.stim.gaborWDeg;
ex.test.distFromFixDeg = 0; % in degrees of visual angle, grating center 2 deg away (edge 1 deg away)
ex.test.cycPerSec = ex.stim.cycPerSec;
ex.testDur = (1/ex.test.cycPerSec);        % in seconds. 1.77 sec refers to sine wave grating 1.77 = 2cycles/1.13cyc.sec-1 mutiplied by 2 for back and forth

%%%% Fixation
ex.fixSizeDeg =  .2;            % in degrees, the size of the biggest white dot in the fixation
ex.bigFixSizeDeg = 0.5;
ex.outerFixPixels = 2;          % in pixels, the black ring around fixation

%%%% Nonius lines 
ex.lineHdeg = 0.4;
ex.lineWdeg = 0.06;

%%% horizontal line 
ex.horiLineWdeg = 0.7;


%%%% global stim/test offset from fixation
ex.xoffsetDeg = 0; %degrees of visual angle
ex.yoffsetDeg = 0;%4; %degrees of visual angle

%%%% conditions & layout (across blocks scale)

% ex.conds = {'LowContPhUp','LowContPhDown','LowContPhCtUp','LowContPhCtDown',...
%     'MedContPhUp','MedContPhDown','MedContPhCtUp','MedContPhCtDown', ...%
%     'HighContPhUp','HighContPhDown','HighContPhCtUp','HighContPhCtDown'
%     %Here, the Left/Right indicator in the condition name corresponds to the phantom grating pair location on the screen 
%     }; 
ex.conds = {'MedContPhUp','MedContPhDown','MedContPhCtUp','MedContPhCtDown'};
ex.repsPerRun = [1 1 1 1];              % repetitions of each condition per run
condIdx = 1:length(ex.conds); %[1,4,7]; %conditions we are interested to keep
ex.conds = ex.conds(condIdx);
ex.repsPerRun = ex.repsPerRun(condIdx);
ex.numConds = length(ex.conds);
% with line of code below we will have 1 condition per block, randomized. we might need to change that
% later, to have the conditions randomized within each block

ex.numBlocks = sum(ex.repsPerRun);
ex.condShuffle = [];
for i =1:ex.repsPerRun(1)
   ex.condShuffle = [ex.condShuffle, Shuffle(1:length(ex.conds))];
end

ex.trialFlips = (0:ex.flipWin:ex.blockLength(1)+ex.testLength);
ex.trialFlips = ex.trialFlips(1:end-1);

%%%% screen
ex.backgroundColor = [127.4933  127.4933  127.4933];%[108.3760 108.3760 108.3760];%;  % color based on minimum gating luminance 
ex.fontSize = 26;

%% %%%%%%%%%%%%%%%%%
   % timing model  %
   %%%%%%%%%%%%%%%%%
t = length(ex.blockLength);
ex.onSecs = [ones(1,ex.blockLength(t)) zeros(1,ex.testLength)];
ex.longFormBlocks = Expand(ex.onSecs,ex.flipsPerSec,1); %1 when block, 0 when between block
length(ex.longFormBlocks)
ex.stimOnSecs = [ones(1,ex.blockLength(t)) zeros(1,ex.testLength)]; %zeros(1,ex.trialFixation) 
ex.longFormStimOnSecs = Expand(ex.stimOnSecs,ex.flipsPerSec,1); %1 when stim on, 0 when fixation or between blocks

% %% create the timing model of stimulus conditions for this particular run
% clear i
for i =1:ex.numConds
    conditions(i).name = ex.conds(i);
    conditions(i).startTimes = [];
end

%%
%%%%%%%%%%%%%%%
% open screen %
%%%%%%%%%%%%%%%
HideCursor;
Priority(9);
%Priority(0);
%%%% open screen
screen=max(Screen('Screens'));
if debug
    [w, rect]=Screen('OpenWindow',screen,ex.backgroundColor,[],[],[],[],[],kPsychNeed32BPCFloat);
    %[w, rect]=Screen('OpenWindow',screen,ex.backgroundColor,[100 100 600 400],[],[],[],[],kPsychNeed32BPCFloat); %might need to switch 900 and 600 by 1600 and 1200 for room 425
    
else
    %[w, rect]=Screen('OpenWindow',screen,ex.backgroundColor,[100 100 600 400],[],[],[],[],kPsychNeed32BPCFloat); %might need to switch 900 and 600 by 1600 and 1200 for room 425
    
    [w, rect]=Screen('OpenWindow',screen,ex.backgroundColor,[],[],[],[],[],kPsychNeed32BPCFloat); %might need to switch 900 and 600 by 1600 and 1200 for room 425
end
Screen(w, 'TextSize', ex.fontSize);
Screen('BlendFunction', w, GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); % Set up alpha-blending for smooth (anti-aliased) lines

%gamma correction, file prepared for room 425
if ex.gammaCorrection
    % Gamma correction (run phase2_photometry.mat in 417C computer, get gamma
    % table)
    load("phase2_photometry.mat");
    Screen('LoadNormalizedGammaTable', screen, inverseCLUT);
end
%%%% timing optimization
frameInt = Screen('GetFlipInterval',w);
slack = frameInt/2;
frameRate =  1/frameInt;%Screen('NominalFrameRate',w);
% 
flipTimes = [0:1/ex.flipsPerSec:1/(ex.stim.cycPerSec)]; %multiply frameInt by 60/12 = 5 to flip the image every 5 frames
ex.stim.flipTimes = flipTimes(1:length(flipTimes)-1);

nconds = length(ex.stim.contrastMultiplicator);
ex.stim.phases = nan(nconds, length(ex.stim.flipTimes));

clear r l

for l =1:nconds
    
    ex.stim.phases(l,:) = ((1:length(ex.stim.flipTimes))-1)*ex.stim.dphase;%(ex.stim.oscillation1(c,l,r,:).*180*ex.stim.cycles(1)+ ex.stim.oscillation2(c,l,r,:).*180*ex.stim.cycles(2))/2 + ex.stim.spatialPhase; %./ex.stimDur-2*pi*flipTimes./ex.stimDur make it oscillatory
    
end


flipTimesTest = [0:1/ex.flipsPerSec:ex.testLength(1)]; %multiply frameInt by 60/12 = 5 to flip the image every 5 frames
ex.test.flipTimes = flipTimesTest(1:length(flipTimesTest)-1);

ex.test.tempPhase1 = 0;% rand(1,1)*2*pi;
halfPeriod1 = linspace(-1,1,ex.testDur*ex.flipsPerSec/2+1);
halfPeriod2 = linspace(1,-1,ex.testDur*ex.flipsPerSec/2+1);
ex.test.oscillation1 = [halfPeriod1(1:end-1),halfPeriod2(1:end-1)];%cos(2*pi*(1/ex.testDur(1))*ex.test.flipTimes+ex.test.tempPhase1);
ex.test.spatialPhase1 = 0;
ex.test.tmpphase = ex.test.oscillation1(1).*90+ex.test.spatialPhase1; %./ex.stimDur-2*pi*flipTimes./ex.stimDur make it oscillatory

%reasonning behind the calculation of ex.stim.phases:
%GOAL: render the back and forth of grating drifts oscillatory in time instead
%of linear to smooth the signal phase shifts at the time of drift direction
%reversal
%1) The length (x) of grating shift after each flip is the variable that will have to be oscillatory
%over time

%2)oscillatory signal formula is x(t) = A*cos(w*t+phase) (x is the oscillatory signal, w is the angular
%frequency in rad/s, t is the time in s, phase is a phase shift in rad at time t (here 0),
%A is the amplitude of the signal

%3)Here the angular frequency is calculated based on the idea of one
%oscillation per stimulus. Considering a stimulus as 1 cycle forward and 1 cycle backwards(definition might change based on how many cycles are desired per stimulus), one oscillation will represent 2 cycles =ex.stim.cycPerSec*ex.stimDur)
% thus the temporal frequency of the oscillation should be 1/ex.stimDur
% (this is w)

%%4) We multiply w by t. Here the resolution of the signal is given by the number of flips per second, so the duration is given by flipTimes.
%Finally, we multiply by 2*pi for the units to be in radian.

%5)Then we subtract the phase at each flip at time t which here is 0.

%6)The amplitude of cos() varies between -1 and +1. Here we want our
%displacement (grating shift) in degrees with a displacement of 360? (of the spatial grating) every half temporal oscillation so we multiply by 180 for the range to be [-180;+180].

%7) we multiply by the number of cycles desired to drift over one lap
%(ex.stim.cycles).

%%%% scale the stim params for the screen
ex.ppd = pi* rect(3) / (atan(ex.screenWidth/ex.viewingDist/2)) / 360;

ex.gaborHeight = round(ex.stim.gaborHDeg*ex.ppd);                 % in pixels, the size of our objects
ex.gaborWidth = round(ex.stim.gaborWDeg*ex.ppd);                 % in pixels, the size of our objects
ex.rawGaborHeight = ex.gaborHeight;
ex.rawGaborWidth = ex.gaborWidth;
ex.stim.distFromFix = round(ex.stim.distFromFixDeg*ex.ppd);

%%%% scale the test params for the screen
ex.probeHeight = round(ex.test.gaborHDeg*ex.ppd);                 % in pixels, the size of our objects
ex.probeWidth = round(ex.test.gaborWDeg*ex.ppd);                 % in pixels, the size of our objects
ex.rawProbeHeight = ex.probeHeight*1;
ex.rawProbeWidth = ex.probeWidth*1;
ex.test.distFromFix = round(ex.test.distFromFixDeg*ex.ppd);

%%%scale the fixation params for the screen
ex.fixSize = round(ex.fixSizeDeg*ex.ppd);
ex.bigFixSize = round(ex.bigFixSizeDeg*ex.ppd);
ex.lineW = round(ex.lineWdeg*ex.ppd);
ex.lineH = round(ex.lineHdeg*ex.ppd);
ex.horiLineW = round(ex.horiLineWdeg*ex.ppd);

%%% scale offset
ex.xoffset = round(ex.xoffsetDeg*ex.ppd);
ex.yoffset = round(ex.yoffsetDeg*ex.ppd);

%% Create sinewave grating frames saved for each repetition and each condition

ex.rectSWave = nan(ex.rawGaborHeight,ex.rawGaborWidth,length(ex.test.oscillation1),nconds);
ex.rectSWaveID = nan(length(ex.test.oscillation1),nconds);
clear c r

for l = 1:length(ex.stim.contrastMultiplicator)
    for f =1:length(ex.test.oscillation1)
        phase = ex.stim.phases(l,f);
        ex.rectSWave(:,:,f,l) = makeSineGrating(ex.rawGaborHeight,ex.rawGaborWidth,ex.stim.spatialFreqDeg,...
            ex.stim.orientation,phase,ex.stim.contrastOffset(l),ex.stim.contrastMultiplicator(l),...
            ex.ppd);
        ex.rectSWaveID(f,l) = Screen('MakeTexture', w, squeeze(ex.rectSWave(:,:,f,l)));
    end
end

% for i =1:60
% figure();
% imshow(squeeze(ex.rectSWave(:,:,i,1))/255)
% end
%check luminances ranges
% minval = min(squeeze(ex.rectSWave(1,1,1,:,:)),[],'all');
% maxval = max(squeeze(ex.rectSWave(1,1,1,:,:)),[],'all');

%% create dynamic grating image as a test for other eye

% phase = repmat((0:360/60:360-360/60),1,ex.testLength);
phases1 = ex.test.tmpphase;%squeeze(ex.stim.phases(c,l,r,:)).*360.*ex.rawProbeHeight./ex.ppd;%
spphase = 0;
ex.testStim = nan(ex.rawProbeHeight,ex.rawProbeWidth,ex.testLength*ex.flipsPerSec,length(ex.test.contrastOffset));
for l = 1:length(ex.test.contrastOffset)
    for n = 1:length(phases1)
        ex.testStim(:,:,n,l) = makeCounterPhasingGrating(ex.rawProbeHeight,ex.rawProbeWidth,ex.test.spatialFreqDeg,...
            ex.stim.orientation,spphase,ex.test.contrastOffset(l),ex.test.contrastMultiplicator(l), ex.test.tmpphase(n),...
            ex.ppd);
        ex.testStimID(n,l) = Screen('MakeTexture', w, squeeze(ex.testStim(:,:,n,l)));
    end
end
% check luminances ranges
% min(squeeze(ex.testStim(:,:,1)),[],'all')
% max(squeeze(ex.testStim(:,:,1)),[],'all')
% % repmat(max(max(squeeze(ex.lcSWave(1,:,:)),[],1)),1)
% figure();
% plot(squeeze(ex.testStim(200,41,:)))
% for i =1:60
% figure();
% imshow(squeeze(ex.testStim(:,:,1))/255)
% end
% figure();
% imshow(squeeze(ex.lcSWave(2,:,:))/255)

%% Sine wave gratings locations 
xc = rect(3)/2; % rect and center, with the flexibility to resize & shift center - change vars to zero if not used.
yc = rect(4)/2; %+e.vertOffset;

%left grating
xL = xc-ex.stim.distFromFix-ex.xoffset;
% grating y locations
yL = yc-ex.yoffset;
%right grating
xR = xc+ex.stim.distFromFix-ex.xoffset;
yR = yc-ex.yoffset;

 
%% Create rectangular masks to make an intervening blank gap
% ph1LPaperture=Screen('OpenOffscreenwindow', w, ex.stim.backgroundLum(l,:));
% Screen('FillRect',ph1LPaperture, [255 255 255 0], [xLl yLt xLr yLb]); %Left grating window
% Screen('FillRect',ph1LPaperture, [255 255 255 0], [xRl yRt xRr yRb]); %Right grating window


%% %%%% initial window - wait for backtick
DrawFormattedText(w,'Fixate the fixation dot as best as you can. \n\n After each drifting stimulus disappears, \n\n report when the MAE effect on the test stimulus \n\n disappears by pressing 1 \n\n Press Space to start'... % :  '...
    ,xc/2, yc/2,[0 0 0]);
Screen(w, 'Flip', 0);
%WaitSecs(2);
KbTriggerWait(KbName('Space'), deviceNumber);

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                         experiment                         %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%% START task TASK/FLIPPING
clear l n
n = 1;
blockCnt = 1;
cnt = 0; %trial count

ex.responses = [];
ex.responseTimes=[];
ex.correctResp = [];

% onOffs = [diff([0 ex.longFormBlocks])];
% bLength = ex.blockLength(1);
ex.flipTime = nan(length(ex.trialFlips),length(ex.condShuffle));
    
KbQueueCreate(deviceNumber,responseKeys);
%%% initial fixation
if n == 1 && blockCnt == 1 %for first block
    ex.tasktstart = clock;
    ex.startRun = GetSecs();
    Screen('FillRect', w, ex.backgroundColor);
    Screen('DrawDots', w, [xc yc+ex.yoffset], ex.fixSize, [255 255 255], [], 2);
    Screen(w, 'Flip', 0);
    WaitSecs(ex.initialFixation);
end
%%% Launch the task
for c = 1:length(ex.condShuffle)
    
    condNum = ex.condShuffle(c);
    condName = conditions(condNum).name{:};
    f = 1;
    l = ceil(condNum/2); % indices for each contrast level
    %l = condNum;
    %flip through the block and following between block time
    while n <= length(ex.longFormBlocks) %true
        KbQueueStart(); % response time
        ex.longFormBlocks(n)
        %%%% draw sine wave grating stimulus %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

        Screen('FillRect', w, ex.stim.backgroundLum(l,:));
        if nnz(find(ex.longFormStimOnSecs(n)))
            ex.rectLRect =  CenterRectOnPoint([0 0 ex.rawGaborWidth ex.rawGaborHeight],xL,yL);
            ex.rectRRect =  CenterRectOnPoint([0 0 ex.rawGaborWidth ex.rawGaborHeight],xR,yR);

            % stim
            if contains(condName, 'Up')
                Screen('DrawTexture', w, ex.rectSWaveID(f,l),[],ex.rectLRect);
                Screen('DrawTexture', w, ex.rectSWaveID(f,l),[],ex.rectRRect);

            elseif contains(condName, 'Down')
                Screen('DrawTexture', w, ex.rectSWaveID(end-(f-1),l),[],ex.rectLRect);
                Screen('DrawTexture', w, ex.rectSWaveID(end-(f-1),l),[],ex.rectRRect);

            end
            
%             Screen('DrawTexture',w,ph1LPaperture);
            
        end
        Screen('DrawDots', w, [xc yc+ex.yoffset], ex.fixSize, [255 255 255], [], 2);
        %% Draw Test stimulus on the screen
        if length(ex.longFormBlocks(1:n))/60 >= ex.blockLength && cnt == 0 %&& length(ex.longFormBlocks(1:n))/60 < ex.blockLength+ex.testLength%(cnt/2 == 1 && GetSecs-time >= 0) && c ~= length(ex.condShuffle)
            
            
            ex.lcLRect =  CenterRectOnPoint([0 0 ex.rawProbeWidth ex.rawProbeHeight],xc-ex.xoffset,yc-ex.yoffset);
            % test stim
            Screen('DrawTexture', w, ex.testStimID(1,l),[],ex.lcLRect,[],[],[]);
            %Fixation
            Screen('DrawDots', w, [xc yc+ex.yoffset], ex.fixSize, [255 255 255], [], 2);
            
        end
        
        %%%%%%%%%%% FLIP %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
        if n == 1
            [VBLT, ex.startTrial, FlipT, missed] = Screen(w, 'Flip', 0);%[VBLTimestamp StimulusOnsetTime FlipTimestamp Missed] = Screen('Flip', windowPtr [, when] [, dontclear]...
            flipTimes = ex.startTrial;
            
        else
            [VBLT,flipTime, FlipT, missed] = Screen(w, 'Flip',ex.startTrial + ex.trialFlips(n) - slack); %,   %%% ex.flipTime(n,c)
            flipTimes = [flipTimes, flipTime];
            
        end
        
        
        if length(ex.longFormBlocks(1:n))/60 == ex.blockLength+ex.testLength %&& c ~= length(ex.condShuffle) %(cnt/2 == 1 && GetSecs-time >= ex.blockLength+ex.testLength) && c ~= length(ex.condShuffle)
%             WaitSecs(ex.ITI1);
            [~,~,~] =KbWait(deviceNumber,2);
            cnt = cnt+1;
            WaitSecs(ex.ITI1);
            %             [ex.respT(cnt),~,~] =KbWait(deviceNumber,2);
            DrawFormattedText(w,'Press Space whenever \n\n you feel ready',(4/5)*xc, yc/2,[0 0 0]); %left instruction
            %% Fixation
            Screen('DrawDots', w, [xc yc+ex.yoffset], ex.fixSize, [255 255 255], [], 2);
            Screen(w, 'Flip', 0);
            [~,~,~] =KbWait(deviceNumber,2);
            Screen('FillRect', w, ex.stim.backgroundLum(ceil(ex.condShuffle(c+1)/2),:));
            Screen('DrawDots', w, [xc yc+ex.yoffset], ex.fixSize, [255 255 255], [], 2);
            Screen(w, 'Flip', 0);
            WaitSecs(ex.ITI2);
%             

        end
        %         if mod(cnt,10) == 0 && cnt >=1
        
        if cnt >=1
            cnt = 0;
        end
        KbQueueStop();
        [pressed, firstPress]= KbQueueCheck();
        if  (pressed == 1) &&  (firstPress(KbName('1!')) > 0 || firstPress(KbName('1')) > 0) %%|| (firstPress(KbName('4$')) > 0 || firstPress(KbName('4')) > 0)
            ex.responses = [ex.responses, 1];
            if (firstPress(KbName('1')) > 0)
                ex.correctResp = [ex.correctResp, 1];
                ex.responseTimes = [ex.responseTimes, firstPress(KbName('1')) - ex.startRun];
            end
            pressed = 0;
        end
        %%%% refresh queue for next character
        KbQueueFlush();
        f = f+1;
        n = n+1;
        if f == ceil(ex.flipsPerSec/ex.stim.cycPerSec)
            f = 1;
        end
    end
    
    ex.flipTime(:,c) = flipTimes;
    n = 1;
end

%%%%%%%%%%%%%%%%%%
% done! wrap up  %
%%%%%%%%%%%%%%%%%%

ex.runTime = GetSecs - ex.startRun;

savedir = fullfile(ex.root,'data/static_MAE',sprintf('%s/%s_%s/',ex.version,subject,ex.version));
if ~exist(savedir); mkdir(savedir); end
savename = fullfile(savedir, strcat(sprintf('/%s_static_MAE_%s_date%s_fix',subject,ex.version,num2str(ex.date)), '.mat'));
%save(savename,'ex');
save(savename,'ex','-v7.3')

ShowCursor;
Screen('Close');
Screen('CloseAll');
fclose all;