add setParameters.m

Author: marcobarilari

setParameters.m

@@ -0,0 +1,168 @@
+function [expParameters, cfg] = setParameters
+
+% Initialize the parameters and general configuration variables
+expParameters = struct;
+cfg           = struct;
+
+expParameters.task = 'AuditoryLoc';
+
+% by default the data will be stored in an output folder created where the
+% setParamters.m file is
+% change that if you want the data to be saved somewhere else
+expParameters.outputDir = fullfile(...
+    fileparts(mfilename('fullpath')), '..', ...
+    'output');
+
+%% Debug mode settings
+cfg.debug               = true;  % To test the script out of the scanner, skip PTB sync
+cfg.testingSmallScreen  = false; % To test on a part of the screen, change to 1
+cfg.testingTranspScreen = false;  % To test with trasparent full size screen
+cfg.stimPosition        = 'pc';  % 'Scanner': means that it removes the lower 1/3 of the screen (the coil hides the lower part of the screen)
+
+expParameters.verbose = true;
+
+%% MRI settings
+cfg.device        = 'scanner';  % 'PC': does not care about trigger - otherwise use 'Scanner'
+cfg.triggerKey    = 't';        % Set the letter sent by the trigger to sync stimulation and volume acquisition
+cfg.numTriggers   = 4;
+cfg.eyeTracker    = false;      % Set to 'true' if you are testing in MRI and want to record ET data
+
+%% Engine parameters
+
+% Monitor parameters
+cfg.monitorWidth  	  = 42;  % Monitor Width in cm
+cfg.screenDistance    = 134; % Distance from the screen in cm
+cfg.diameterAperture  = 8;   % Diameter/length of side of aperture in Visual angles
+
+% Monitor parameters for PTB
+cfg.white            = [255 255 255];
+cfg.black            = [ 0   0   0 ];
+cfg.red              = [255  0   0 ];
+cfg.grey             = mean([cfg.black; cfg.white]);
+cfg.backgroundColor  = cfg.black;
+cfg.textColor        = cfg.white;
+cfg.textFont         = 'Courier New';
+cfg.textSize         = 18;
+cfg.textStyle        = 1;
+
+%% Keyboards
+
+% cfg.responseBox would be the device used by the participant to give his/her response:
+%   like the button box in the scanner or a separate keyboard for a behavioral experiment
+%
+% cfg.keyboard is the keyboard on which the experimenter will type or press the keys necessary
+%   to start or abort the experiment.
+%   The two can be different or the same.
+
+% Using empty vectors should work for linux and MacOS when to select the
+%   "main" keyboard. You might have to try some other values for Windows
+cfg.keyboard = [];
+cfg.responseBox = [];
+
+% Keyboard
+cfg.escapeKey        = 'Escape';
+
+
+% The code below will help you decide which keyboard device to use for the partipant and the experimenter
+
+% Computer keyboard to quit if it is necessary
+% Cfg.keyboard
+%
+% For key presses for the subject
+% Cfg.responseBox
+
+[cfg.keyboardNumbers, cfg.keyboardNames] = GetKeyboardIndices;
+cfg.keyboardNumbers
+cfg.keyboardNames
+
+
+switch lower(cfg.device)
+
+
+    % this part might need to be adapted because the "default" device
+    % number might be different for different OS or set up
+
+    case 'pc'
+
+        cfg.keyboard = [];
+        cfg.responseBox = [];
+
+        if ismac
+            cfg.keyboard = [];
+            cfg.responseBox = [];
+        end
+
+    case 'scanner'
+
+    otherwise
+
+        % Cfg.keyboard = max(Cfg.keyboardNumbers);
+        % Cfg.responseBox = min(Cfg.keyboardNumbers);
+
+        cfg.keyboard = [];
+        cfg.responseBox = [];
+
+end
+
+%% Experiment Design
+expParameters.names              = {'static','motion'};
+expParameters.possibleDirections = [-1 1]; % 1 motion , -1 static
+expParameters.numBlocks          = size(expParameters.possibleDirections,2);
+expParameters.numRepetitions     = 1;      %AT THE MOMENT IT IS NOT SET IN THE MAIN SCRIPT
+expParameters.IBI                = 0; %8;
+expParameters.ISI                = 0.1;    % Time between events in secs
+expParameters.onsetDelay         = 5;      % Number of seconds before the motion stimuli are presented
+expParameters.endDelay           = 1;      % Number of seconds after the end all the stimuli before ending the run
+
+
+%% Auditory Stimulation
+
+% expParameters.experimentType    = 'Gratings';  %Dots/Gratings % Visual modality is in RDKs %NOT USED IN THE MAIN SCIPT
+expParameters.speedEvent        = 8;       % speed in visual angles
+expParameters.numEventsPerBlock = 12;      % Number of events per block (should not be changed)
+expParameters.eventDuration     = 10;
+
+% % Dots
+% expParameters.dotMask           = 1;       % Circle Mask to be applied on the stimulation
+% expParameters.coh               = 1;       % Coherence Level (0-1)
+% expParameters.maxDotsPerFrams   = 300;     % Maximum number dots per frame (Number must be divisible by 3)
+% expParameters.dotLifeTime       = 1;       % Dot life time in seconds
+% expParameters.dontClear         = 0;
+% expParameters.dotSize           = 0.1;     % Dot Size (dot width) in visual angles
+% expParameters.dotColor          = cfg.white;
+%
+% % Gratings
+% expParameters.gratCyclePerSec   = 1;       % Speed of grating in cycles per second
+% expParameters.gratFreq          = .05;     % Frequency of grating in cycles per pixel
+% expParameters.gratMask          = 0;       % If set to 1, a gaussian aperture is drawn over the grating
+% expParameters.gratSize          = 600;     % Visible size of grating in screen pixels
+
+%% Task(s)
+
+% Instruction
+expParameters.TaskInstruction = '1-Detect the RED fixation cross\n \n\n';
+
+expParameters.responseKey = {'space'};
+
+
+%% Task 1 - Fixation cross
+expParameters.Task1 = true; % true / false
+
+if expParameters.Task1
+    % Used Pixels here since it really small and can be adjusted during the experiment
+    expParameters.fixCrossDimPix               = 10;   % Set the length of the lines (in Pixels) of the fixation cross
+    expParameters.lineWidthPix                 = 4;    % Set the line width (in Pixels) for our fixation cross
+    expParameters.maxNumFixationTargetPerBlock = 2;
+    expParameters.targetDuration               = 0.15; % In secs
+    expParameters.xDisplacementFixCross        = 0;    % Manual displacement of the fixation cross
+    expParameters.yDisplacementFixCross        = 0;    % Manual displacement of the fixation cross
+    expParameters.fixationCrossColor           = cfg.white;
+    expParameters.fixationCrossColorTarget     = cfg.red;
+end
+
+if cfg.debug
+    fprintf('\n\n\n\n')
+    fprintf('######################################## \n')
+    fprintf('##  DEBUG MODE, NOT THE SCANNER CODE  ## \n')
+    fprintf('######################################## \n\n')
+end