diff --git a/private/load_events.m b/private/load_events.m
index 936165a..c148d6b 100644
--- a/private/load_events.m
+++ b/private/load_events.m
@@ -2,12 +2,12 @@
 
 % fprintf('# loading event timing\n');
 
-nblocks = 3;
-ntrials = 50;
-i = 0; 
+nblocks = 4;
+ntrials = [36,36,72,72];
+i = 0;
 
 for block = 1:nblocks
-    for trial = 1:ntrials
+    for trial = 1:ntrials(block)
 
         % Randomly select two different options from 'left', 'up', and 'right'
         all_choices = {'left', 'up', 'right'};
@@ -17,20 +17,23 @@
         timing(i).event_name = 'choice';
         timing(i).func = @choice;
         timing(i).dur = 2;
-        
+
         % Set chance values depending on the block
         if block == 1
             timing(i).chance = [.2,.5,.5,1]; % left, up, up,right
         elseif block == 2
             timing(i).chance = [0.5,0.2,0.2,1]; % left, up, up,right since rtbox has 2 options for up
         elseif block == 3
+            timing(i).chance = [0.75,0.75,0.75,0.75]; % left, up,up, right
+        elseif block == 4
             timing(i).chance = [1,1,1,1]; % left, up,up, right
+
         end
-        
+
         timing(i).max_rt = timing(i).dur;
         timing(i).i = i;
         timing(i).choices = selected_choices; % Assign the random choices to this trial
-       
+
         if i>1
             timing(i).onset = timing(i-1).onset + timing(i-1).dur; % as soon as choice ends
         else