function [] = train_Inst4(disp_struct) % the outline task instructions text_0 = '-Instructions-\n\n\n'; text_1 = 'OK - here''s an interesting twist: \n\n On some trials, one of the picture will be selected for you and will be framed in blue. These are called ''Match'' trials.\n\n On ''Match'' trials, you must select the framed picture.\n\n\n\n'; text_2 = 'On other trials you will be free to choose either picture.\n\n These are called ''Choose'' trials.'; 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