function [] = train_Inst_Xtra(disp_struct) % the outline task instructions text_0 = '-Instructions-\n\n\n'; text_1 = 'OK - here''s something *important* to remember.\n\n\n'; text_2 = 'The pictures are RANDOMLY selected for each person, \n\n and are PROBABILISTICALLY associated with the amount of reward. \n\n\n There is NO RELATIONSHIP between the picture type and probability of reward. \n\n\n '; Screen('TextSize', disp_struct.wPtr, 30); Screen('TextFont', disp_struct.wPtr, 'Times'); Screen('TextStyle', disp_struct.wPtr, 0); Screen('TextColor', disp_struct.wPtr, [255 255 255]); Screen('FillRect', disp_struct.wPtr,[0 0 0]); % the number of charaters per line wrap_length = 70; % Print out the initial instructions % Bold the intro Screen('TextStyle', disp_struct.wPtr, 1); [nx, ny, textbounds] = DrawFormattedText(disp_struct.wPtr, text_0, 'center', 50, [], wrap_length, [], [], 1.25 ); % reset to normal font Screen('TextStyle', disp_struct.wPtr, 0); [nx, ny, textbounds] = DrawFormattedText(disp_struct.wPtr, text_1, 'center', ny, [], wrap_length, [], [], 1.25 ); [nx, ny, textbounds] = DrawFormattedText(disp_struct.wPtr, text_2, 'center', ny, [], wrap_length, [], [], 1.25 ); % flip the screen Screen(disp_struct.wPtr, 'Flip'); WaitSecs(0.5); % wait for P RestrictKeysForKbCheck(KbName('SPACE')); % wait for keypress KbWait([],2); % Waits for keyboard(any) press end