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%_______________________________________________________________________
%
% Run random dot motion experiment defined in createDotInfo
%_______________________________________________________________________
%
% Input
%
% dotInfo | experiment configuration (struct)
% subj | identifier of subject (string)
% condSet | conditions (cell array of strings)
%_______________________________________________________________________
%
% adapted from dotsExperiment_JQK_170327
% 170704 | cleanup, adapted
% 170707 | removed saving for each trial; instead save in catch part
% | now saves DisplayInfo
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%%
%% sanitize function parameters
%%
if nargin == 0
eval('help dotsExperiment')
return
end
if not(exist('dotInfo','var'))
error('Missing input: dotInfo')
elseif isempty(dotInfo) || not(isstruct(dotInfo))
error('Invalid input: dotInfo (requires non-empty struct)')
end
if not(exist('subj','var'))
error('Missing input: subj')
elseif not(isempty(subj)) && ischar(subj)
dotInfo.subj = subj;
else
error('Invalid input: subj (requires non-empty string)')
end
if not(isfield(dotInfo,'deployed'))
dotInfo.deployed = true;
end
%%
%% for saving behavioural data
%%
sessionFile = [dotInfo.dataDir, subj '_' datestr(now, 'yymmdd_HHMM'), '.mat'];
%%
%% prepare presentation
%%
displayList = Screen('screens');
KbName('UnifyKeyNames'); % use portable key naming scheme
oldVerbosityLevel = Screen('Preference', 'Verbosity', 2); % show errors and warnings
else
clear Screen; %PsychDebugWindowConfiguration([], 1);
end;
try
%%
%% prepare canvas
%%
screenInfo = openExperiment(50,50,displayIdx); clc; % open drawing canvas
if numel(Screen('screens')) == 1 || dotInfo.deployed
HideCursor(screenInfo.curWindow);
end
Screen('TextFont', screenInfo.curWindow, 'Helvetica');
Screen('TextSize', screenInfo.curWindow, 20);
Screen('TextStyle', screenInfo.curWindow, 0); % regular
Screen('TextColor', screenInfo.curWindow, 255); % white
% get experimenter and subject keyboards
keyboardIndices = GetKeyboardIndices;
if setup.keyB == 1 % use primary keyboard for subject and experimenter
screenInfo.keyboard_sub = keyboardIndices(1);
screenInfo.keyboard_exp = keyboardIndices(1);
elseif setup.keyB == 2
screenInfo.keyboard_sub = min(keyboardIndices);
screenInfo.keyboard_exp = max(keyboardIndices);
else disp('Check setup: only 1 or 2 keyboards supported.');
end
sessStartTime = GetSecs;
ResultMat = NaN(dotInfo.totalTrials,4);
DisplayInfo = [];
ExperimentProtocol = cell(0);
ExperimentProtocol = [ExperimentProtocol; {'SessionOnset'}, {sessStartTime}, {[]}, {[]},{[]} {[]},{NaN}, {[]}];
%%
%% block start
%%
% have the subject get ready for the next condition
DrawFormattedText(screenInfo.curWindow, 'Bereit?', 'center', 'center');
Screen('Flip', screenInfo.curWindow);
disp('Experimenter input required: ready for presentation? --> MAT start');
% wait for experimenter to resume session
while true
[exitSession, resumeSession] = checkKeys_byKeyB(dotInfo, screenInfo.keyboard_exp);
if resumeSession
break
elseif exitSession
closeExperiment;
return
end
end
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for indBlock = 1:dotInfo.blockAmount
% present state cues
for indAtt = 1:4
CueImg = ['img/', dotInfo.MAT.attNames{indAtt},'?.png'];
[cueLoad,~,~] = imread(CueImg);
cue2Disp = Screen('MakeTexture',screenInfo.curWindow,cueLoad);
smallIm = [0 0 floor(size(cueLoad,2)/1.5) floor(size(cueLoad,1)/1.5)];
switch indAtt
case 1
smallIm = CenterRect([0 0 floor(size(cueLoad,2)/1.5) floor(size(cueLoad,1)/1.5)], [0 0 screenInfo.screenRect(3)/2 screenInfo.screenRect(4)/2]);
case 2
smallIm = CenterRect([0 0 floor(size(cueLoad,2)/1.5) floor(size(cueLoad,1)/1.5)], [screenInfo.screenRect(3)/2 0 screenInfo.screenRect(3) screenInfo.screenRect(4)/2]);
case 3
smallIm = CenterRect([0 0 floor(size(cueLoad,2)/1.5) floor(size(cueLoad,1)/1.5)], [0 screenInfo.screenRect(4)/2 screenInfo.screenRect(3)/2 screenInfo.screenRect(4)]);
case 4
smallIm = CenterRect([0 0 floor(size(cueLoad,2)/1.5) floor(size(cueLoad,1)/1.5)], [screenInfo.screenRect(3)/2 screenInfo.screenRect(4)/2 screenInfo.screenRect(3) screenInfo.screenRect(4)]);
end
if ismember(indAtt, dotInfo.AttCues{indBlock,1})
Screen('DrawTexture', screenInfo.curWindow, cue2Disp, [], smallIm); % draw the object
end;
end
oldTextSize = Screen('TextSize', screenInfo.curWindow, 30);
DrawFormattedText(screenInfo.curWindow, ['relevante Attribute: ', num2str(dotInfo.StateOrder(indBlock,1))], 'center', 'center');
Screen('TextSize', screenInfo.curWindow, oldTextSize); clear oldTextSize;
BlockInitiation = Screen('Flip', screenInfo.curWindow);
ExperimentProtocol = [ExperimentProtocol; {'BlockInitiation'}, {BlockInitiation}, {[]}, {[]}, {[]}, {indBlock}, {[]}, {[]}];
pause(dotInfo.durBlockOnset);
for indTrial = 1:dotInfo.blockLengthDim
fprintf('Block %i of %i; Trial %i of %i\n', [indBlock, dotInfo.blockAmount, indTrial, dotInfo.blockLengthDim])
TrialInitiation = GetSecs;
ExperimentProtocol = [ExperimentProtocol; {'TrialInitiation'}, {TrialInitiation}, {[]}, {[]}, {[]}, {indBlock}, {indTrial}, {[]}];
% create fixation
targets = makeDotTargets(screenInfo, dotInfo); % initialize targets
%showTargets(screenInfo, targets, 1);
[~, dotInfo, ExperimentProtocol,ResultMat,DisplayInfo] = dotsX_JQK_MAT_170809(screenInfo, dotInfo, targets, indBlock, indTrial, ExperimentProtocol,ResultMat,DisplayInfo);
end % trial presentation
% take a break when specified
if ismember(indTrial, dotInfo.PauseAfterBlocks)
ExperimentProtocol = [ExperimentProtocol; {'PauseStart'}, {PauseStart}, {[]}, {[]}, {[]}, {indBlock}, {indTrial}, {[]}];
while (GetSecs()-PauseStart) < dotInfo.breakTime
% have the subject get ready for the next condition
pause(.1);
remain = dotInfo.breakTime-round(GetSecs - PauseStart,0);
DrawFormattedText(screenInfo.curWindow, ['Pause: continue in ',num2str(remain),' s'], 'center', 'center');
Screen('Flip', screenInfo.curWindow);
end
end
ExperimentProtocol = [ExperimentProtocol; {'SessionEnd'}, {sessEndTime}, {[]}, {[]}, {[]}, {[]}, {[]}, {[]}];
save(sessionFile, 'ExperimentProtocol', 'dotInfo', 'ResultMat', 'DisplayInfo');
% inform the subject that the experiment is over
DrawFormattedText(screenInfo.curWindow, 'task complete!', 'center', 'center');
Screen('Flip', screenInfo.curWindow);
disp('Experimenter input required: MAT complete --> presentation offset');
% sessTime = GetSecs - sessStartTime;
% meanFixTime = mean([trialData.fixTime]);
% numCorrect = numel(find([trialData.correct]));
% numTrial = numel([trialData.correct]);
% numResponded = numel(find(~isnan([trialData.rxtime])));
%
% fprintf('\nTotal Time: %.2f\n', sessTime) % incl. block startup waits
% fprintf('Average fixation: %.2fs\n', meanFixTime)
% fprintf('Responded: %i/%i\n', numResponded, numTrial)
% fprintf('Correct: %i/%i\n', numCorrect, numTrial)
% fprintf('Accuracy: %.1f\n', 100*numCorrect/numResponded)
% wait for experimenter to close screen
while true
[exitKeyPressed, resumeKeyPressed] = checkKeys_byKeyB(dotInfo, screenInfo.keyboard_exp);
if exitKeyPressed || resumeKeyPressed
break
end
end
catch exception
getReport(exception) % show stack trace
end
closeExperiment; % close drawing canvas
Screen('Preference', 'Verbosity', oldVerbosityLevel); % restore verbosity
end