scripts/train_Inst_Xtra.m

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