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et_matching.m
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et_matching.m
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function [cfg,expParam] = et_matching(w,cfg,expParam,logFile,sesName,phaseName,phaseCount)
% function [cfg,expParam] = et_matching(w,cfg,expParam,logFile,sesName,phaseName,phaseCount)
%
% Description:
% This function runs the matching task. There are no blocks, only short
% (blink) breaks.
% TODO: Maybe add a longer break in the middle and tell subjects that this
% is the middle of the experiment.
%
% The stimuli for the matching task must already be in presentation order.
% They are stored in expParam.session.(sesName).(phaseName).allStims as a
% struct.
%
%
% Inputs:
%
%
% Outputs:
%
%
%
% NB:
% Once agian, stimuli must already be sorted in presentation order!
%
% NB:
% Field 'matchStimNum' denotes whether a stimulus is stim1 or stim2.
% Field 'matchPairNum' denotes which two stimuli are paired. matchPairNum
% overlaps in the same and different condition
%
% NB:
% When same and diff stimuli are combined, to find the corresponding pair
% search for a matching familyNum (basic or subordinate), a matching or
% different speciesNum field (same or diff condition), a matching or
% different trained field, the same matchPairNum, and the opposite
% matchStimNum (1 or 2).
% % durations, in seconds
% cfg.stim.(sesName).(phaseName).match_isi = 0.0;
% cfg.stim.(sesName).(phaseName).match_stim1 = 0.8;
% cfg.stim.(sesName).(phaseName).match_stim2 = 0.8;
% % random intervals are generated on the fly
% cfg.stim.(sesName).(phaseName).match_preStim1 = [0.5 0.7];
% cfg.stim.(sesName).(phaseName).match_preStim2 = [1.0 1.2];
% cfg.stim.(sesName).(phaseName).match_response = 2.0;
% % keys
% cfg.keys.matchSame
% cfg.keys.matchDiff
fprintf('Running %s %s (match) (%d)...\n',sesName,phaseName,phaseCount);
phaseNameForParticipant = 'matching';
%% set the starting date and time for this phase
thisDate = date;
startTime = fix(clock);
startTime = sprintf('%.2d:%.2d:%.2d',startTime(4),startTime(5),startTime(6));
%% determine the starting trial, useful for resuming
% set up progress file, to resume this phase in case of a crash, etc.
phaseProgressFile = fullfile(cfg.files.sesSaveDir,sprintf('phaseProgress_%s_%s_match_%d.mat',sesName,phaseName,phaseCount));
if exist(phaseProgressFile,'file')
load(phaseProgressFile);
else
trialComplete = false(1,length(expParam.session.(sesName).(phaseName)(phaseCount).allStims([expParam.session.(sesName).(phaseName)(phaseCount).allStims.matchStimNum] == 2)));
phaseComplete = false; %#ok<NASGU>
save(phaseProgressFile,'thisDate','startTime','trialComplete','phaseComplete');
end
% find the starting trial
incompleteTrials = find(~trialComplete);
if ~isempty(incompleteTrials)
trialNum = incompleteTrials(1);
else
fprintf('All trials for %s %s (match) (%d) have been completed. Moving on to next phase...\n',sesName,phaseName,phaseCount);
% release any remaining textures
Screen('Close');
return
end
%% start the log file for this phase
phaseLogFile = fullfile(cfg.files.sesSaveDir,sprintf('phaseLog_%s_%s_match_%d.txt',sesName,phaseName,phaseCount));
phLFile = fopen(phaseLogFile,'at');
%% record the starting date and time for this phase
expParam.session.(sesName).(phaseName)(phaseCount).date = thisDate;
expParam.session.(sesName).(phaseName)(phaseCount).startTime = startTime;
% put it in the log file
fprintf(logFile,'!!! Start of %s %s (%d) (%s) %s %s\n',sesName,phaseName,phaseCount,mfilename,thisDate,startTime);
fprintf(phLFile,'!!! Start of %s %s (%d) (%s) %s %s\n',sesName,phaseName,phaseCount,mfilename,thisDate,startTime);
thisGetSecs = GetSecs;
fprintf(logFile,'%f\t%s\t%s\t%s\t%d\t%d\t%s\n',...
thisGetSecs,...
expParam.subject,...
sesName,...
phaseName,...
phaseCount,...
cfg.stim.(sesName).(phaseName)(phaseCount).isExp,...
'PHASE_START');
fprintf(phLFile,'%f\t%s\t%s\t%s\t%d\t%d\t%s\n',...
thisGetSecs,...
expParam.subject,...
sesName,...
phaseName,...
phaseCount,...
cfg.stim.(sesName).(phaseName)(phaseCount).isExp,...
'PHASE_START');
%% preparation
phaseCfg = cfg.stim.(sesName).(phaseName)(phaseCount);
allStims = expParam.session.(sesName).(phaseName)(phaseCount).allStims;
if phaseCfg.isExp
stimDir = cfg.files.stimDir;
else
stimDir = cfg.files.stimDir_prac;
end
% default is to preload the images
if ~isfield(cfg.stim,'preloadImages')
cfg.stim.preloadImages = false;
end
% set the basic and subordinate family numbers
if phaseCfg.isExp
famNumSubord = cfg.stim.famNumSubord;
famNumBasic = cfg.stim.famNumBasic;
else
famNumSubord = cfg.stim.practice.famNumSubord;
famNumBasic = cfg.stim.practice.famNumBasic;
end
% set feedback text
correctFeedback = 'Correct!';
incorrectFeedback = 'Incorrect!';
sameFeedback = 'SAME';
diffFeedback = 'DIFFERENT';
% set feedback colors
correctColor = uint8((rgb('Green') * 255) + 0.5);
incorrectColor = uint8((rgb('Red') * 255) + 0.5);
% if we're using matchTextPrompt
if phaseCfg.matchTextPrompt
if strcmp(KbName(cfg.keys.matchSame),'f') || strcmp(KbName(cfg.keys.matchSame),'r')
leftKey = cfg.text.matchSame;
rightKey = cfg.text.matchDiff;
elseif strcmp(KbName(cfg.keys.matchSame),'j') || strcmp(KbName(cfg.keys.matchSame),'u')
leftKey = cfg.text.matchDiff;
rightKey = cfg.text.matchSame;
end
end
% default is to not print out trial details
if ~isfield(cfg.text,'printTrialInfo') || isempty(cfg.text.printTrialInfo)
cfg.text.printTrialInfo = false;
end
% default is to not play sounds
if ~isfield(phaseCfg,'playSound') || isempty(phaseCfg.playSound)
phaseCfg.playSound = false;
end
% initialize beep player if needed
if phaseCfg.playSound
Beeper(1,0);
if ~isfield(phaseCfg,'correctSound')
phaseCfg.correctSound = 1000;
end
if ~isfield(phaseCfg,'incorrectSound')
phaseCfg.incorrectSound = 300;
end
if ~isfield(phaseCfg,'correctVol')
phaseCfg.correctVol = 0.4;
end
if ~isfield(phaseCfg,'incorrectVol')
phaseCfg.incorrectVol = 0.6;
end
end
% are they allowed to respond while the stimulus is on the screen?
if ~isfield(phaseCfg,'respDuringStim')
phaseCfg.respDuringStim = true;
end
% default is to show fixation during ISI
if ~isfield(phaseCfg,'fixDuringISI')
phaseCfg.fixDuringISI = true;
end
% default is to show fixation during preStim
if ~isfield(phaseCfg,'fixDuringPreStim')
phaseCfg.fixDuringPreStim = true;
end
% default is to show fixation with the stimulus
if ~isfield(phaseCfg,'fixDuringStim')
phaseCfg.fixDuringStim = true;
end
% whether to ask the participant if they have any questions; only continues
% with experimenter's secret key
if ~isfield(phaseCfg.instruct,'questions')
phaseCfg.instruct.questions = true;
end
% whether to present a white square during the stimulus and a black square
% at all other times
if ~isfield(cfg.stim,'photoCell')
cfg.stim.photoCell = false;
end
%% set up text rectangles
% create a rectangle for placing fixation symbol using Screen('DrawText')
Screen('TextSize', w, cfg.text.fixSize);
fixRect = Screen('TextBounds', w, cfg.text.fixSymbol);
% center it in the middle of the screen
fixRect = CenterRect(fixRect, cfg.screen.wRect);
% get the X and Y coordinates
fixRectX = fixRect(1);
fixRectY = fixRect(2);
% create a rectangle for placing response symbol using Screen('DrawText')
if phaseCfg.matchTextPrompt
responsePromptText = sprintf('%s %s %s',leftKey,cfg.text.respSymbol,rightKey);
else
responsePromptText = cfg.text.respSymbol;
end
Screen('TextSize', w, cfg.text.fixSize);
respRect = Screen('TextBounds', w, responsePromptText);
% center it in the middle of the screen
respRect = CenterRect(respRect, cfg.screen.wRect);
% % get the X and Y coordinates
respRectX = respRect(1);
respRectY = respRect(2);
%% preload all stimuli for presentation
% get the stimulus 2s
stim2 = allStims([allStims.matchStimNum] == 2);
% initialize for storing stimulus 1s
stim1 = struct([]);
fn = fieldnames(stim2);
for i = 1:length(fn)
stim1(1).(fn{i}) = [];
end
matchStim1Tex = nan(1,length(stim2));
matchStim2Tex = nan(1,length(stim2));
if cfg.stim.preloadImages
message = sprintf('Preparing images, please wait...');
Screen('TextSize', w, cfg.text.basicTextSize);
% put the "preparing" message on the screen
DrawFormattedText(w, message, 'center', 'center', cfg.text.instructColor, cfg.text.instructCharWidth);
end
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellAntiRectColor, cfg.stim.photoCellRect);
end
% Update the display to show the message:
Screen('Flip', w);
for i = 1:length(stim2)
% find stim2's corresponding pair, contingent upon whether this is a same
% or diff stimulus
if isfield(stim2(i),'new')
if stim2(i).same
% same (same species)
stim1(i) = allStims(...
([allStims.familyNum] == stim2(i).familyNum) &...
([allStims.speciesNum] == stim2(i).speciesNum) &...
([allStims.trained] == stim2(i).trained) &...
([allStims.new] == stim2(i).new) &...
([allStims.matchPairNum] == stim2(i).matchPairNum) &...
([allStims.matchStimNum] ~= stim2(i).matchStimNum));
else
% diff (different species)
stim1(i) = allStims(...
([allStims.familyNum] == stim2(i).familyNum) &...
([allStims.speciesNum] ~= stim2(i).speciesNum) &...
([allStims.trained] == stim2(i).trained) &...
([allStims.new] == stim2(i).new) &...
([allStims.matchPairNum] == stim2(i).matchPairNum) &...
([allStims.matchStimNum] ~= stim2(i).matchStimNum));
end
else
if stim2(i).same
% same (same species)
stim1(i) = allStims(...
([allStims.familyNum] == stim2(i).familyNum) &...
([allStims.speciesNum] == stim2(i).speciesNum) &...
([allStims.trained] == stim2(i).trained) &...
([allStims.matchPairNum] == stim2(i).matchPairNum) &...
([allStims.matchStimNum] ~= stim2(i).matchStimNum));
else
% diff (different species)
stim1(i) = allStims(...
([allStims.familyNum] == stim2(i).familyNum) &...
([allStims.speciesNum] ~= stim2(i).speciesNum) &...
([allStims.trained] == stim2(i).trained) &...
([allStims.matchPairNum] == stim2(i).matchPairNum) &...
([allStims.matchStimNum] ~= stim2(i).matchStimNum));
end
end
% make sure stim2 exists
stim2ImgFile = fullfile(stimDir,stim2(i).familyStr,stim2(i).fileName);
if exist(stim2ImgFile,'file')
if cfg.stim.preloadImages
% load up stim2's texture
stim2Img = imread(stim2ImgFile);
matchStim2Tex(i) = Screen('MakeTexture',w,stim2Img);
% TODO: optimized?
%matchStim2Tex(i) = Screen('MakeTexture',w,stim2Img,[],1);
end
else
error('Study stimulus %s does not exist!',stim2ImgFile);
end
% make sure stim1 exists
stim1ImgFile = fullfile(stimDir,stim1(i).familyStr,stim1(i).fileName);
if exist(stim1ImgFile,'file')
if cfg.stim.preloadImages
% load up stim1's texture
stim1Img = imread(stim1ImgFile);
matchStim1Tex(i) = Screen('MakeTexture',w,stim1Img);
% TODO: optimized?
%matchStim1Tex(i) = Screen('MakeTexture',w,stim1Img,[],1);
elseif ~cfg.stim.preloadImages && i == length(stim2)
% still need to load the last image to set the rectangle
stim1Img = imread(fullfile(stimDir,stim1(i).familyStr,stim1(i).fileName));
end
else
error('Study stimulus %s does not exist!',stim1ImgFile);
end
end
% get the width and height of the final stimulus image
stimImgHeight = size(stim1Img,1) * cfg.stim.stimScale;
stimImgWidth = size(stim1Img,2) * cfg.stim.stimScale;
% set the stimulus image rectangle
stimImgRect = [0 0 stimImgWidth stimImgHeight];
stimImgRect = CenterRect(stimImgRect, cfg.screen.wRect);
% text location for error (e.g., "too fast") text
[~,errorTextY] = RectCenter(cfg.screen.wRect);
errorTextY = errorTextY + (stimImgHeight / 2);
%% do an impedance check before the phase begins, if desired
if ~isfield(phaseCfg,'impedanceBeforePhase')
phaseCfg.impedanceBeforePhase = false;
end
if ~expParam.photoCellTest && expParam.useNS && phaseCfg.impedanceBeforePhase
% run the impedance break
thisGetSecs = GetSecs;
fprintf(logFile,'%f\t%s\t%s\t%s\t%d\t%d\t%s\n',thisGetSecs,expParam.subject,sesName,phaseName,phaseCount,phaseCfg.isExp,'IMPEDANCE_START');
fprintf(phLFile,'%f\t%s\t%s\t%s\t%d\t%d\t%s\n',thisGetSecs,expParam.subject,sesName,phaseName,phaseCount,phaseCfg.isExp,'IMPEDANCE_START');
thisGetSecs = et_impedanceCheck(w, cfg, false, phaseName);
fprintf(logFile,'%f\t%s\t%s\t%s\t%d\t%d\t%s\n',thisGetSecs,expParam.subject,sesName,phaseName,phaseCount,phaseCfg.isExp,'IMPEDANCE_END');
fprintf(phLFile,'%f\t%s\t%s\t%s\t%d\t%d\t%s\n',thisGetSecs,expParam.subject,sesName,phaseName,phaseCount,phaseCfg.isExp,'IMPEDANCE_END');
end
%% start NS recording, if desired
% put a message on the screen as experiment phase begins
message = sprintf('Starting %s phase...',phaseNameForParticipant);
if expParam.useNS
% start recording
[NSStopStatus, NSStopError] = NetStation('StartRecording'); %#ok<NASGU,ASGLU>
% synchronize
[NSSyncStatus, NSSyncError] = NetStation('Synchronize'); %#ok<NASGU,ASGLU>
message = sprintf('Starting data acquisition for %s phase...',phaseNameForParticipant);
thisGetSecs = GetSecs;
fprintf(logFile,'%f\t%s\t%s\t%s\t%d\t%d\t%s\n',thisGetSecs,expParam.subject,sesName,phaseName,phaseCount,phaseCfg.isExp,'NS_REC_START');
fprintf(phLFile,'%f\t%s\t%s\t%s\t%d\t%d\t%s\n',thisGetSecs,expParam.subject,sesName,phaseName,phaseCount,phaseCfg.isExp,'NS_REC_START');
end
Screen('TextSize', w, cfg.text.basicTextSize);
% draw message to screen
DrawFormattedText(w, message, 'center', 'center', cfg.text.basicTextColor, cfg.text.instructCharWidth);
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellAntiRectColor, cfg.stim.photoCellRect);
end
% put it on
Screen('Flip', w);
% Wait before starting trial
WaitSecs(5.000);
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellAntiRectColor, cfg.stim.photoCellRect);
end
% Clear screen to background color (our 'bgColor' as set at the beginning):
Screen('Flip', w);
%% show the instructions
if ~expParam.photoCellTest
for i = 1:length(phaseCfg.instruct.match)
WaitSecs(1.000);
et_showTextInstruct(w,cfg,phaseCfg.instruct.match(i),cfg.keys.instructContKey,...
cfg.text.instructColor,cfg.text.instructTextSize,cfg.text.instructCharWidth);
end
% Wait a second before continuing
WaitSecs(1.000);
end
%% questions? only during practice. continues with experimenter's key.
if ~expParam.photoCellTest && ~phaseCfg.isExp && phaseCfg.instruct.questions
questionsMsg.text = sprintf('If you have any questions about the %s phase,\nplease ask the experimenter now.\n\nPlease tell the experimenter when you are ready to begin the task.',phaseNameForParticipant);
et_showTextInstruct(w,cfg,questionsMsg,cfg.keys.expContinue,...
cfg.text.instructColor,cfg.text.instructTextSize,cfg.text.instructCharWidth);
% Wait a second before continuing
WaitSecs(1.000);
end
%% let them start when they're ready
if ~expParam.photoCellTest
if phaseCfg.isExp
expStr = '';
else
expStr = ' practice';
end
readyMsg.text = sprintf('Ready to begin%s %s phase.\nPress "%s" to start.',expStr,phaseNameForParticipant,cfg.keys.instructContKey);
et_showTextInstruct(w,cfg,readyMsg,cfg.keys.instructContKey,...
cfg.text.instructColor,cfg.text.instructTextSize,cfg.text.instructCharWidth);
% Wait a second before starting trial
WaitSecs(1.000);
end
%% run the matching task
% only check these keys
RestrictKeysForKbCheck([cfg.keys.matchSame, cfg.keys.matchDiff]);
% start the blink break timer
if phaseCfg.isExp && cfg.stim.secUntilBlinkBreak > 0
blinkTimerStart = GetSecs;
end
for i = trialNum:length(stim2)
% do an impedance check after a certain number of trials
if ~expParam.photoCellTest && expParam.useNS && phaseCfg.isExp && i > 1 && i < length(stim2) && mod((i - 1),phaseCfg.impedanceAfter_nTrials) == 0
% run the impedance break
thisGetSecs = GetSecs;
fprintf(logFile,'%f\t%s\t%s\t%s\t%d\t%d\t%s\n',thisGetSecs,expParam.subject,sesName,phaseName,phaseCount,phaseCfg.isExp,'IMPEDANCE_START');
fprintf(phLFile,'%f\t%s\t%s\t%s\t%d\t%d\t%s\n',thisGetSecs,expParam.subject,sesName,phaseName,phaseCount,phaseCfg.isExp,'IMPEDANCE_START');
thisGetSecs = et_impedanceCheck(w, cfg, true, phaseName);
fprintf(logFile,'%f\t%s\t%s\t%s\t%d\t%d\t%s\n',thisGetSecs,expParam.subject,sesName,phaseName,phaseCount,phaseCfg.isExp,'IMPEDANCE_END');
fprintf(phLFile,'%f\t%s\t%s\t%s\t%d\t%d\t%s\n',thisGetSecs,expParam.subject,sesName,phaseName,phaseCount,phaseCfg.isExp,'IMPEDANCE_END');
% only check these keys
RestrictKeysForKbCheck([cfg.keys.matchSame, cfg.keys.matchDiff]);
% show preparation text
DrawFormattedText(w, 'Get ready...', 'center', 'center', cfg.text.fixationColor, cfg.text.instructCharWidth);
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellAntiRectColor, cfg.stim.photoCellRect);
end
Screen('Flip', w);
WaitSecs(2.0);
if (phaseCfg.match_isi > 0 && phaseCfg.fixDuringISI) || (phaseCfg.match_isi == 0 && phaseCfg.fixDuringPreStim)
Screen('TextSize', w, cfg.text.fixSize);
Screen('DrawText', w, cfg.text.fixSymbol, fixRectX, fixRectY, cfg.text.fixationColor);
%DrawFormattedText(w,cfg.text.fixSymbol,'center','center',cfg.text.fixationColor, cfg.text.instructCharWidth);
end
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellAntiRectColor, cfg.stim.photoCellRect);
end
Screen('Flip',w);
WaitSecs(1.0);
% reset the blink timer
if cfg.stim.secUntilBlinkBreak > 0
blinkTimerStart = GetSecs;
end
end
% Do a blink break if specified time has passed
if ~expParam.photoCellTest && phaseCfg.isExp && cfg.stim.secUntilBlinkBreak > 0 && (GetSecs - blinkTimerStart) >= cfg.stim.secUntilBlinkBreak && i > 3 && i < (length(stim2) - 3)
thisGetSecs = GetSecs;
fprintf(logFile,'%f\t%s\t%s\t%s\t%d\t%d\t%s\n',thisGetSecs,expParam.subject,sesName,phaseName,phaseCount,phaseCfg.isExp,'BLINK_START');
fprintf(phLFile,'%f\t%s\t%s\t%s\t%d\t%d\t%s\n',thisGetSecs,expParam.subject,sesName,phaseName,phaseCount,phaseCfg.isExp,'BLINK_START');
Screen('TextSize', w, cfg.text.basicTextSize);
if expParam.useNS
pauseMsg = 'Blink now.\n\n';
else
pauseMsg = '';
end
pauseMsg = sprintf('%sReady for trial %d of %d.\nPress any key to continue.', pauseMsg, i, length(stim2));
% just draw straight into the main window since we don't need speed here
DrawFormattedText(w, pauseMsg, 'center', 'center', cfg.text.instructColor, cfg.text.instructCharWidth);
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellAntiRectColor, cfg.stim.photoCellRect);
end
Screen('Flip', w);
% listen for any keypress on any keyboard
RestrictKeysForKbCheck([]);
thisGetSecs = KbWait(-1,2);
%thisGetSecs = GetSecs;
fprintf(logFile,'%f\t%s\t%s\t%s\t%d\t%d\t%s\n',thisGetSecs,expParam.subject,sesName,phaseName,phaseCount,phaseCfg.isExp,'BLINK_END');
fprintf(phLFile,'%f\t%s\t%s\t%s\t%d\t%d\t%s\n',thisGetSecs,expParam.subject,sesName,phaseName,phaseCount,phaseCfg.isExp,'BLINK_END');
% only check these keys
RestrictKeysForKbCheck([cfg.keys.matchSame, cfg.keys.matchDiff]);
% show preparation text
DrawFormattedText(w, 'Get ready...', 'center', 'center', cfg.text.fixationColor, cfg.text.instructCharWidth);
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellAntiRectColor, cfg.stim.photoCellRect);
end
Screen('Flip', w);
WaitSecs(2.0);
if (phaseCfg.match_isi > 0 && phaseCfg.fixDuringISI) || (phaseCfg.match_isi == 0 && phaseCfg.fixDuringPreStim)
Screen('TextSize', w, cfg.text.fixSize);
Screen('DrawText', w, cfg.text.fixSymbol, fixRectX, fixRectY, cfg.text.fixationColor);
%DrawFormattedText(w,cfg.text.fixSymbol,'center','center',cfg.text.fixationColor, cfg.text.instructCharWidth);
end
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellAntiRectColor, cfg.stim.photoCellRect);
end
Screen('Flip',w);
WaitSecs(1.0);
% reset the timer
blinkTimerStart = GetSecs;
end
% load the stimuli now if we didn't load them earlier
if ~cfg.stim.preloadImages
stim1Img = imread(fullfile(stimDir,stim1(i).familyStr,stim1(i).fileName));
stim2Img = imread(fullfile(stimDir,stim2(i).familyStr,stim2(i).fileName));
matchStim1Tex(i) = Screen('MakeTexture',w,stim1Img);
matchStim2Tex(i) = Screen('MakeTexture',w,stim2Img);
end
% Is this a subordinate (1) or basic (0) family/species? If subordinate,
% get the species number.
if any(stim2(i).familyNum == famNumSubord)
isSubord = true;
specNum1 = int32(stim1(i).speciesNum);
specNum2 = int32(stim2(i).speciesNum);
elseif any(stim2(i).familyNum == famNumBasic)
isSubord = false;
specNum1 = int32(0);
specNum2 = int32(0);
end
% resynchronize netstation before the start of drawing
if expParam.useNS
[NSSyncStatus, NSSyncError] = NetStation('Synchronize'); %#ok<NASGU,ASGLU>
end
% ISI between trials
if phaseCfg.match_isi > 0
if phaseCfg.fixDuringISI
Screen('TextSize', w, cfg.text.fixSize);
Screen('DrawText', w, cfg.text.fixSymbol, fixRectX, fixRectY, cfg.text.fixationColor);
%DrawFormattedText(w,cfg.text.fixSymbol,'center','center',cfg.text.fixationColor, cfg.text.instructCharWidth);
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellAntiRectColor, cfg.stim.photoCellRect);
end
Screen('Flip',w);
end
WaitSecs(phaseCfg.match_isi);
end
% preStimulus period, with fixation if desired
if length(phaseCfg.match_preStim1) == 1
if phaseCfg.match_preStim1 > 0
if phaseCfg.fixDuringPreStim
% draw fixation
Screen('TextSize', w, cfg.text.fixSize);
Screen('DrawText', w, cfg.text.fixSymbol, fixRectX, fixRectY, cfg.text.fixationColor);
%DrawFormattedText(w,cfg.text.fixSymbol,'center','center',cfg.text.fixationColor, cfg.text.instructCharWidth);
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellAntiRectColor, cfg.stim.photoCellRect);
end
[preStim1FixOn] = Screen('Flip',w);
else
preStim1FixOn = NaN;
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellAntiRectColor, cfg.stim.photoCellRect);
end
Screen('Flip',w);
end
WaitSecs(phaseCfg.match_preStim1);
end
elseif length(phaseCfg.match_preStim1) == 2
if ~all(phaseCfg.match_preStim1 == 0)
if phaseCfg.fixDuringPreStim
% draw fixation
Screen('TextSize', w, cfg.text.fixSize);
Screen('DrawText', w, cfg.text.fixSymbol, fixRectX, fixRectY, cfg.text.fixationColor);
%DrawFormattedText(w,cfg.text.fixSymbol,'center','center',cfg.text.fixationColor, cfg.text.instructCharWidth);
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellAntiRectColor, cfg.stim.photoCellRect);
end
[preStim1FixOn] = Screen('Flip',w);
else
preStim1FixOn = NaN;
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellAntiRectColor, cfg.stim.photoCellRect);
end
Screen('Flip',w);
end
% fixation on screen before stim for a random amount of time
WaitSecs(phaseCfg.match_preStim1(1) + ((phaseCfg.match_preStim1(2) - phaseCfg.match_preStim1(1)).*rand(1,1)));
end
end
% draw the stimulus
Screen('DrawTexture', w, matchStim1Tex(i), [], stimImgRect);
if phaseCfg.fixDuringStim
% and fixation on top of it
Screen('TextSize', w, cfg.text.fixSize);
Screen('DrawText', w, cfg.text.fixSymbol, fixRectX, fixRectY, cfg.text.fixationColor);
%DrawFormattedText(w,cfg.text.fixSymbol,'center','center',cfg.text.fixationColor, cfg.text.instructCharWidth);
end
% photocell rect with stim
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellRectColor, cfg.stim.photoCellRect);
end
% Show stimulus on screen at next possible display refresh cycle,
% and record stimulus onset time in 'stimOnset':
[img1On, stim1Onset] = Screen('Flip', w);
if cfg.text.printTrialInfo
fprintf('Trial %d of %d: stim1 (%s): family %d (%s), species %d (%s), exemplar %d (%d). Same (1) or diff (0): %d.\n',i,length(stim2),stim1(i).fileName,stim1(i).familyNum,stim1(i).familyStr,stim1(i).speciesNum,stim1(i).speciesStr,stim1(i).exemplarNum,stim1(i).exemplarName,stim1(i).same);
end
% while loop to show stimulus until "duration" seconds elapsed.
while (GetSecs - stim1Onset) <= phaseCfg.match_stim1
% Wait <1 ms before checking the keyboard again to prevent
% overload of the machine at elevated Priority():
WaitSecs(0.0001);
end
% preStimulus period, with fixation if desired
if length(phaseCfg.match_preStim2) == 1
if phaseCfg.match_preStim2 > 0
if phaseCfg.fixDuringPreStim
% draw fixation
Screen('TextSize', w, cfg.text.fixSize);
Screen('DrawText', w, cfg.text.fixSymbol, fixRectX, fixRectY, cfg.text.fixationColor);
%DrawFormattedText(w,cfg.text.fixSymbol,'center','center',cfg.text.fixationColor, cfg.text.instructCharWidth);
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellAntiRectColor, cfg.stim.photoCellRect);
end
[preStim2FixOn] = Screen('Flip',w);
else
preStim2FixOn = NaN;
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellAntiRectColor, cfg.stim.photoCellRect);
end
Screen('Flip',w);
end
WaitSecs(phaseCfg.match_preStim2);
end
elseif length(phaseCfg.match_preStim2) == 2
if ~all(phaseCfg.match_preStim2 == 0)
if phaseCfg.fixDuringPreStim
% draw fixation
Screen('TextSize', w, cfg.text.fixSize);
Screen('DrawText', w, cfg.text.fixSymbol, fixRectX, fixRectY, cfg.text.fixationColor);
%DrawFormattedText(w,cfg.text.fixSymbol,'center','center',cfg.text.fixationColor, cfg.text.instructCharWidth);
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellAntiRectColor, cfg.stim.photoCellRect);
end
[preStim2FixOn] = Screen('Flip',w);
else
preStim2FixOn = NaN;
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellAntiRectColor, cfg.stim.photoCellRect);
end
Screen('Flip',w);
end
% fixation on screen before stim for a random amount of time
WaitSecs(phaseCfg.match_preStim2(1) + ((phaseCfg.match_preStim2(2) - phaseCfg.match_preStim2(1)).*rand(1,1)));
end
end
% draw the stimulus
Screen('DrawTexture', w, matchStim2Tex(i), [], stimImgRect);
if phaseCfg.fixDuringStim
% and fixation on top of it
Screen('TextSize', w, cfg.text.fixSize);
Screen('DrawText', w, cfg.text.fixSymbol, fixRectX, fixRectY, cfg.text.fixationColor);
%DrawFormattedText(w,cfg.text.fixSymbol,'center','center',cfg.text.fixationColor, cfg.text.instructCharWidth);
end
% photocell rect with stimulus
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellRectColor, cfg.stim.photoCellRect);
end
% Show stimulus on screen at next possible display refresh cycle,
% and record stimulus onset time in 'stimOnset':
[img2On, stim2Onset] = Screen('Flip', w);
if cfg.text.printTrialInfo
fprintf('Trial %d of %d: stim2 (%s): family %d (%s), species %d (%s), exemplar %d (%d). Same (1) or diff (0): %d.\n',i,length(stim2),stim2(i).fileName,stim2(i).familyNum,stim2(i).familyStr,stim2(i).speciesNum,stim2(i).speciesStr,stim2(i).exemplarNum,stim2(i).exemplarName,stim2(i).same);
end
% while loop to show stimulus until subject response or until
% "match_stim2" seconds elapse.
while (GetSecs - stim2Onset) <= phaseCfg.match_stim2
% check for too-fast response
if ~phaseCfg.respDuringStim
[keyIsDown] = KbCheck;
% if they press a key too early, tell them they responded too fast
if keyIsDown
% draw the stimulus
Screen('DrawTexture', w, matchStim2Tex(i), [], stimImgRect);
if phaseCfg.fixDuringStim
% and fixation on top of it
Screen('TextSize', w, cfg.text.fixSize);
Screen('DrawText', w, cfg.text.fixSymbol, fixRectX, fixRectY, cfg.text.fixationColor);
%DrawFormattedText(w,cfg.text.fixSymbol,'center','center',cfg.text.fixationColor, cfg.text.instructCharWidth);
end
% and the "too fast" text
Screen('TextSize', w, cfg.text.instructTextSize);
DrawFormattedText(w,cfg.text.tooFastText,'center',errorTextY,cfg.text.errorTextColor, cfg.text.instructCharWidth);
% photocell rect with stimulus
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellRectColor, cfg.stim.photoCellRect);
end
Screen('Flip', w);
keyIsDown = 0;
break
end
else
[keyIsDown, endRT, keyCode] = KbCheck;
% if they push more than one key, don't accept it
if keyIsDown && sum(keyCode) == 1
% wait for key to be released
while KbCheck(-1)
WaitSecs(0.0001);
% % proceed if time is up, regardless of whether key is held
% if (GetSecs - startRT) > phaseCfg.match_response
% break
% end
end
% if cfg.text.printTrialInfo
% fprintf('"%s" typed at time %.3f seconds\n', KbName(keyCode), endRT - startRT);
% end
if (keyCode(cfg.keys.matchSame) == 1 && all(keyCode(~cfg.keys.matchSame) == 0)) ||...
(keyCode(cfg.keys.matchDiff) == 1 && all(keyCode(~cfg.keys.matchDiff) == 0))
break
end
elseif keyIsDown && sum(keyCode) > 1
% draw the stimulus
Screen('DrawTexture', w, matchStim2Tex(i), [], stimImgRect);
if phaseCfg.fixDuringStim
% and fixation on top of it
Screen('TextSize', w, cfg.text.fixSize);
Screen('DrawText', w, cfg.text.fixSymbol, fixRectX, fixRectY, cfg.text.fixationColor);
%DrawFormattedText(w,cfg.text.fixSymbol,'center','center',cfg.text.fixationColor, cfg.text.instructCharWidth);
end
% don't push multiple keys
Screen('TextSize', w, cfg.text.instructTextSize);
DrawFormattedText(w,cfg.text.multiKeyText,'center',errorTextY,cfg.text.errorTextColor, cfg.text.instructCharWidth);
% photocell rect with stimulus
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellRectColor, cfg.stim.photoCellRect);
end
% put them on the screen
Screen('Flip', w);
keyIsDown = 0;
end
end
% Wait <1 ms before checking the keyboard again to prevent
% overload of the machine at elevated Priority():
WaitSecs(0.0001);
end
% wait out any remaining time
while (GetSecs - stim2Onset) <= phaseCfg.match_stim2
% Wait <1 ms before checking the keyboard again to prevent
% overload of the machine at elevated Priority():
WaitSecs(0.0001);
end
keyIsDown = logical(keyIsDown);
if keyIsDown
% if they hit a key while the stimulus was on the screen (the only way
% keyIsDown==1)
% code that follows this if statement block will take the stimulus off
% screen and give feedback if this is a practice phase
respPromptOn = NaN;
else
% draw response prompt
Screen('TextSize', w, cfg.text.fixSize);
Screen('DrawText', w, responsePromptText, respRectX, respRectY, cfg.text.fixationColor);
%if phaseCfg.matchTextPrompt
% responsePromptText = sprintf('%s %s %s',leftKey,cfg.text.respSymbol,rightKey);
% DrawFormattedText(w,responsePromptText,'center','center',cfg.text.fixationColor, cfg.text.instructCharWidth);
%else
% DrawFormattedText(w,cfg.text.respSymbol,'center','center',cfg.text.fixationColor, cfg.text.instructCharWidth);
%end
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellAntiRectColor, cfg.stim.photoCellRect);
end
[respPromptOn, startRT] = Screen('Flip',w);
% poll for a resp
while (GetSecs - startRT) <= phaseCfg.match_response
[keyIsDown, endRT, keyCode] = KbCheck;
% if they push more than one key, don't accept it
if keyIsDown && sum(keyCode) == 1
% wait for key to be released
while KbCheck(-1)
WaitSecs(0.0001);
% % proceed if time is up, regardless of whether key is held
% if (GetSecs - startRT) > phaseCfg.match_response
% break
% end
end
% if cfg.text.printTrialInfo
% fprintf('"%s" typed at time %.3f seconds\n', KbName(keyCode), endRT - startRT);
% end
if (keyCode(cfg.keys.matchSame) == 1 && all(keyCode(~cfg.keys.matchSame) == 0)) ||...
(keyCode(cfg.keys.matchDiff) == 1 && all(keyCode(~cfg.keys.matchDiff) == 0))
break
end
elseif keyIsDown && sum(keyCode) > 1
% draw response prompt
Screen('TextSize', w, cfg.text.fixSize);
Screen('DrawText', w, responsePromptText, respRectX, respRectY, cfg.text.fixationColor);
%if phaseCfg.matchTextPrompt
% responsePromptText = sprintf('%s %s %s',leftKey,cfg.text.respSymbol,rightKey);
% DrawFormattedText(w,responsePromptText,'center','center',cfg.text.fixationColor, cfg.text.instructCharWidth);
%else
% DrawFormattedText(w,cfg.text.respSymbol,'center','center',cfg.text.fixationColor, cfg.text.instructCharWidth);
%end
% don't push multiple keys
Screen('TextSize', w, cfg.text.instructTextSize);
DrawFormattedText(w,cfg.text.multiKeyText,'center',errorTextY,cfg.text.errorTextColor, cfg.text.instructCharWidth);
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellAntiRectColor, cfg.stim.photoCellRect);
end
% put them on the screen
Screen('Flip', w);
keyIsDown = 0;
end
% wait so we don't overload the system
WaitSecs(0.0001);
end
keyIsDown = logical(keyIsDown);
end
% determine response and compute accuracy
if keyIsDown
if (keyCode(cfg.keys.matchSame) == 1 && all(keyCode(~cfg.keys.matchSame) == 0))
resp = 'same';
if stim1(i).same
acc = true;
% only give feedback during practice
if ~phaseCfg.isExp
message = sprintf('%s\n%s',correctFeedback,sameFeedback);
if phaseCfg.playSound
respSound = phaseCfg.correctSound;
respVol = phaseCfg.correctVol;
end
end
feedbackColor = correctColor;
else
acc = false;
% only give feedback during practice
if ~phaseCfg.isExp
message = sprintf('%s\n%s',incorrectFeedback,diffFeedback);
if phaseCfg.playSound
respSound = phaseCfg.incorrectSound;
respVol = phaseCfg.incorrectVol;
end
end
feedbackColor = incorrectColor;
end
elseif (keyCode(cfg.keys.matchDiff) == 1 && all(keyCode(~cfg.keys.matchDiff) == 0))
resp = 'diff';
if ~stim1(i).same
acc = true;
% only give feedback during practice
if ~phaseCfg.isExp
message = sprintf('%s\n%s',correctFeedback,diffFeedback);
if phaseCfg.playSound
respSound = phaseCfg.correctSound;
respVol = phaseCfg.correctVol;
end
end
feedbackColor = correctColor;
else
acc = false;
% only give feedback during practice
if ~phaseCfg.isExp
message = sprintf('%s\n%s',incorrectFeedback,sameFeedback);
if phaseCfg.playSound
respSound = phaseCfg.incorrectSound;
respVol = phaseCfg.correctVol;
end
end
feedbackColor = incorrectColor;
end
elseif sum(keyCode) > 1
warning('Multiple keys were pressed.\n');
resp = 'ERROR_MULTIKEY';
elseif sum(~ismember(find(keyCode == 1),[cfg.keys.matchDiff cfg.keys.matchSame])) > 0
warning('Key other than same/diff was pressed. This should not happen.\n');
resp = 'ERROR_OTHERKEY';
else
warning('Some other error occurred.\n');
resp = 'ERROR_OTHER';
end
if ~phaseCfg.isExp
% only give feedback during practice
feedbackTime = cfg.text.respondFasterFeedbackTime;
else
message = '';
feedbackTime = 0.01;
end
else
resp = 'none';
% did not push a key
acc = false;
% need a new endRT
endRT = GetSecs;
% "need to respond faster"
message = cfg.text.respondFaster;
feedbackColor = cfg.text.respondFasterColor;
feedbackTime = cfg.text.respondFasterFeedbackTime;
if phaseCfg.playSound
respSound = phaseCfg.incorrectSound;
respVol = phaseCfg.incorrectVol;
end
end
if ~isempty(message)
if phaseCfg.playSound && (~phaseCfg.isExp || (phaseCfg.isExp && ~keyIsDown))
Beeper(respSound,respVol);
end
Screen('TextSize', w, cfg.text.instructTextSize);
DrawFormattedText(w,message,'center','center',feedbackColor, cfg.text.instructCharWidth);
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellAntiRectColor, cfg.stim.photoCellRect);
end
Screen('Flip', w);
% wait to let them view the feedback
WaitSecs(feedbackTime);
end
% get key pressed by subject
if keyIsDown
if sum(keyCode) == 1
respKey = KbName(keyCode);
elseif sum(keyCode) > 1
thisResp = KbName(keyCode);
respKey = sprintf('multikey%s',sprintf(repmat(' %s',1,numel(thisResp)),thisResp{:}));
end
else
respKey = 'none';
end
if (phaseCfg.match_isi > 0 && phaseCfg.fixDuringISI) || (phaseCfg.match_isi == 0 && phaseCfg.fixDuringPreStim)
% draw fixation after response
Screen('TextSize', w, cfg.text.fixSize);
Screen('DrawText', w, cfg.text.fixSymbol, fixRectX, fixRectY, cfg.text.fixationColor);
%DrawFormattedText(w,cfg.text.fixSymbol,'center','center',cfg.text.fixationColor, cfg.text.instructCharWidth);
end
if cfg.stim.photoCell
Screen('FillRect', w, cfg.stim.photoCellAntiRectColor, cfg.stim.photoCellRect);
end
% clear screen