add shorter sound task code in expDesign

Author: marcobarilari

setParameters.m

@@ -91,7 +91,8 @@
     cfg.task.name = 'auditory localizer';
 
     % Instruction
-    cfg.task.instruction = '1-Detect the RED fixation cross\n \n\n';
+    cfg.task.instruction = ['1 - Detect the RED fixation cross\n' ...
+      '2 - Detected the shorter repeated sounds'];
 
     % Fixation cross (in pixels)
     cfg.fixation.type = 'cross';
@@ -101,7 +102,7 @@
     cfg.fixation.lineWidthPix = 3;
     cfg.fixation.xDisplacement = 0;
     cfg.fixation.yDisplacement = 0;
-
+    
     cfg.target.maxNbPerBlock = 2;
     cfg.target.duration = 0.5; % In secs
 
@@ -151,7 +152,8 @@
 
     cfg.mri.repetitionTime = 1.8;
 
-    cfg.bids.MRI.Instructions = 'Detect the RED fixation cross';
+    cfg.bids.MRI.Instructions = ['1 - Detect the RED fixation cross\n' ...
+      '2 - Detected the shorter repeated sounds'];
     cfg.bids.MRI.TaskDescription = [];
 
 end

subfun/expDesign.m

@@ -76,15 +76,17 @@
     while 1
 
         fixationTargets = zeros(NB_BLOCKS, NB_EVENTS_PER_BLOCK);
+        
+        soundTargets = zeros(NB_BLOCKS, NB_EVENTS_PER_BLOCK);
 
         for iBlock = 1:NB_BLOCKS
 
             % Set target
             % - if there are 2 targets per block we make sure that they are at least
             % 2 events apart
             % - targets cannot be on the first or last event of a block
-            % - no more than 2 target in the same event order
 
+            % Fixation targets
             nbTarget = numTargetsForEachBlock(iBlock);
 
             chosenPosition = setTargetPositionInSequence( ...
@@ -93,11 +95,21 @@
                 [1 NB_EVENTS_PER_BLOCK]);
 
             fixationTargets(iBlock, chosenPosition) = 1;
+            
+            % Sound targets
+            nbTarget = numTargetsForEachBlock(iBlock);
+
+            chosenPosition = setTargetPositionInSequence( ...
+                NB_EVENTS_PER_BLOCK, ...
+                nbTarget, ...
+                [1 NB_EVENTS_PER_BLOCK]);
+
+            soundTargets(iBlock, chosenPosition) = 1;
 
         end
 
-        % Check rule 3
-        if max(sum(fixationTargets)) < NB_REPETITIONS - 1
+        % Check that fixation and shorter sound are not presented in the same event
+        if max(unique(fixationTargets + soundTargets)) < 2
             break
         end
 
@@ -111,6 +123,8 @@
     cfg = setDirections(cfg);
 
     cfg.design.fixationTargets = fixationTargets;
+    
+    cfg.design.soundTargets = soundTargets;
 
     %% Plot
     diplayDesign(cfg, displayFigs);