R.Muralikrishnan, MPI for Empirical Aesthetics. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International Licence. ############################################################################## ## ## ## Categories Identification : Auditory Study with Identification Task ## ## Experiment Script for use with Presentation ## ## Experimenter : Pauline Larrouy-Maestri ## ## Author: R. Muralikrishnan ## ## ## ############################################################################## ############################################################################## # Scenario Description Language (SDL) Header Part ############################################################################## # These button codes have to correspond to those set in 'Settings -> Response' active_buttons = 7; # There are 7 active buttons defined in 'Settings -> Response' button_codes = 1,2,3,4,5,6,7; # These are the codes of those buttons response_matching = simple_matching; # Enables features not in legacy_matching # Only those button presses that one expects are logged; not all response_logging = log_active; # Needed for EEG Trigger files # write_codes = true; # pulse_width = 5; # default_output_port = 1; # This is most probably going to be the same for everyone. # This is the LPT Parallel port that you will define in the Port settings tab of # Presentation. This will be used as the output port for sending codes to EEG. # Defining this here saves getting a port number in the PCL part from the output_manager # and calling send_code etc. Stimulus events themselves will send these for us, provided we # define the correct port_codes in each Stimulus event. # Default Settings for Font, FG and BG Colours etc. default_background_color = "0, 0, 0"; # RGB codes in decimal; 000 => Black default_font = "Verdana"; default_font_size = 32; default_text_color = "000, 102, 153"; # #006699 A bluish colour default_text_align = align_center; default_deltat = 0; default_picture_duration = next_picture; /* This implies that all pictures ... /...are shown until the next picture is shown, unless otherwise specified */ #default_all_responses = false; ############################################################################## # Scenario Description Language (SDL) Part ############################################################################## begin; # ============================ # SDL Variable Declarations: - # ============================ # # We don't use any variables. All the timer parameters appear as numbers. # ============================== # Picture Stimuli Definitions: - Everything that is shown, including text! # ============================== # Screen definition for the trial that starts an Experimental Session. # Used as the first screen that the participant sees. Operator Controlled. picture { text { caption = "Welcome! The Experiment will begin in a moment."; }; x = 0; y = 0; } P_Start_Exp; # Screen definition for the Pause trial # Operator Controlled! picture { text { caption = "Let us continue after a break."; }; x = 0; y = 0; } P_Pause; # Screen definition for the Continue trial # Participant Controlled! picture { text { caption = "Press a button to continue."; }; x = 0; y = 0; } P_Continue; # Screen definition for the Interruption trial # Operator Controlled! picture { text { caption = "Sorry for the interruption. Please wait."; }; x = 0; y = 0; } P_Interruption; # Screen definition for showing the focus star picture { text { caption = "*"; font = "Georgia"; font_size = 90;}; x = 0; y = 0; } P_Focus_Star; # Screen definition for the Identification Task picture { # text { # caption = "In-tune or Out-of-tune?"; }; # x = 0; # y = 0; # Left Version box { color = "255,255,255"; height = 74; width = 284;} Box_Button_L; x = -250; y = 0; text { caption = "In tune"; font_color = "000, 102, 153"; font_size = 28; background_color = "156,189,222"; height = 70; width = 280;} Txt_Button_L; x = -250; y = 0; on_top = true; box { color = "255,255,255"; height = 74; width = 284;} Box_Button_R; x = 250; y = 0; text { caption = "Out of tune"; font_color = "000, 102, 153"; font_size = 28; background_color = "156,189,222"; height = 70; width = 280;} Txt_Button_R; x = 250; y = 0; on_top = true; } P_Identification_Task; # Screen definition for the Confidence Task picture { #text { # caption = "Wie sicher sind Sie sich?";}; #x = 0; #y = 200; text { caption = "How confident are you?"; }; x = 0; y = 0; on_top = true; ellipse_graphic{ ellipse_height = 56; ellipse_width = 56; color = "255,255,255";}; x = -300; y = -100; ellipse_graphic{ ellipse_height = 50; ellipse_width = 50; color = "156,189,222";}; x = -300; y = -100; text{ caption = "0"; font_color = "000, 102, 153"; font_size = 22; transparent_color = "0,0,0";}; x = -300; y = -100; ellipse_graphic{ ellipse_height = 56; ellipse_width = 56; color = "255,255,255";}; x = -100; y = -100; ellipse_graphic{ ellipse_height = 50; ellipse_width = 50; color = "156,189,222";}; x = -100; y = -100; text{ caption = "1"; font_color = "000, 102, 153"; font_size = 22; transparent_color = "0,0,0";}; x = -100; y = -100; ellipse_graphic{ ellipse_height = 56; ellipse_width = 56; color = "255,255,255";}; x = 100; y = -100; ellipse_graphic{ ellipse_height = 50; ellipse_width = 50; color = "156,189,222";}; x = 100; y = -100; text{ caption = "2"; font_color = "000, 102, 153"; font_size = 22; transparent_color = "0,0,0";}; x = 100; y = -100; ellipse_graphic{ ellipse_height = 56; ellipse_width = 56; color = "255,255,255";}; x = 300; y = -100; ellipse_graphic{ ellipse_height = 50; ellipse_width = 50; color = "156,189,222";}; x = 300; y = -100; text{ caption = "3"; font_color = "000, 102, 153"; font_size = 22; transparent_color = "0,0,0";}; x = 300; y = -100; line_graphic{ line_width = 2; coordinates = -272, -100, -128, -100; line_color ="255,255,255";}; x=0; y=0; line_graphic{ line_width = 2; coordinates = -72, -100, 72, -100; line_color ="255,255,255";}; x=0; y=0; line_graphic{ line_width = 2; coordinates = 128, -100, 272, -100; line_color ="255,255,255";}; x=0; y=0; #box { color = "255,255,255"; height = 74; width = 654;}; #x = 0; #y = 0; } P_Confidence_Task; # Screen definition for the End_Thanks trial picture { text {caption = "Thank you! We're done!";}; x = 0; y = 0; } P_End_Thanks; ##### #### Specific for presenting Auditory Stimuli ------------------------------- # ============================ # Sound Stimuli Definitions: - # ============================ sound { wavefile { filename = ""; # PCL Program below fills the file name preload = false; } Wav_Auditory_Stimulus; } S_Auditory_Stimulus; #### #===================== # Trial Definitions: - #===================== /**** / Note that the name 'Trial' could be misleading. Unless otherwise specified, / what we mean by a 'Trial' here is actually a sub-trial or sub-task that is / part - and thereby defines the structure - of an actual experimental trial. ****/ /**** / Template for defining an SDL Trial. / trial / { / Trial-related parameters such as trial_duration, trial_type etc. / Trial-related parameters / / Stimulus event 1 such as picture, sound, video, nothing or force-FB; / Stimulus event parameters such as time, event code etc. / If the parameters aren't specified, the default values are used!!! / / Stimulus event 2; / its parameters...and so on / } ****/ trial { trial_duration = 1500; all_responses = false; stimulus_event { picture {}; # This is the default picture, which is nothing! #code = "CLS"; # Comment this out to avoid seeing this in the logfile. }; } T_Blank_Screen; # Definition of the Trial to start an Experimental Session. # Operator Controlled! trial { trial_duration = forever; # Keep running the trial... trial_type = specific_response; # ...until the following specific response. terminator_button = 7; # Operator PC - ENTER key. stimulus_event { picture P_Start_Exp; # Show P_Start_Exp. code = "The Experiment starts now!"; }; } T_Start_Exp; # Definition of the Trial to continue further. # Participant Controlled! trial { trial_duration = forever; # Keep running the trial... trial_type = specific_response; # ...until the following specific response. terminator_button = 1,2; # Participant Joystick - L or R button. stimulus_event { picture P_Continue; # Show P_Continue. code = "Trials follow!"; }; } T_Continue; # Definition of the Trial to Launch an Experimental Trial trial { trial_duration = 500; # Run the trial for 500 ms... all_responses = false; # ..without recognising any key presses. stimulus_event { picture P_Focus_Star; # Show the focus star for fixation. code = ""; # Code set below in the PCL program. # port_code = ; # Port code set by the PCL program. } E_Launch_New_Trial; } T_Launch_New_Trial; # Definition of the Trial to keep showing the Focus Star for fixation. trial { trial_duration = 500; # Show star until the next clear-screen... all_responses = false; # ..without recognising any key presses. stimulus_event { picture P_Focus_Star; # Show the focus star for fixation. #code = "*"; # Comment this out later to avoid seeing this in the log file. }; } T_Keep_Showing_Star; # Definition of the Trial to show a question for the Identification Task trial { trial_duration = forever; trial_type = specific_response; terminator_button = 1,2; # The exact response can be either of these; stimulus_event { picture P_Identification_Task; code = "Identification-Task"; # PCL Program sets this. #port_code = 191; # Send '191' to EEG target_button = 2; # 2 is good, 1 is bad. } E_Identification_Task; # This is necessary to test for stimulus_miss later! } T_Identification_Task; # Definition of the Trial to show a rating scale for the Confidence of response. trial { trial_duration = forever; trial_type = first_response; terminator_button = 3,4,5,6; # The exact response can be either of these; stimulus_event { picture P_Confidence_Task; code = "Confidence-Task"; # PCL Program sets this. #port_code = 191; # Send '191' to EEG #target_button = 2; # 2 is good, 1 is bad. } E_Confidence_Task; # This is necessary to test for stimulus_miss later! } T_Confidence_Task; #### Specific for presenting Auditory Stimuli ------------------------------- # Definition of the Trial to play the Stimulus Tone sequence trial { trial_duration = stimuli_length; all_responses = false; stimulus_event { sound S_Auditory_Stimulus; code = ""; # PCL Program sets Event code # port_code = ; # PCL Program sets port code } E_Auditory_Stimulus; } T_Auditory_Stimulus; #### # Definition of the Trial to send a code indicating that a Timeout has occurred. /* When a button-pressed response occurs, 1 or 2 or 3 or 4 is sent to EEG depending upon the button pressed. When a timeout occurs, nothing gets sent. Just in order to have equal number of lines in the trigger files later, it's better to send a code indicating timeout. (Yes, IN ADDITION to the usual code 199 that will follow.) */ /* trial { trial_duration = 10; all_responses = false; stimulus_event { nothing {}; # This is the default picture, which is nothing! code = "Timeout"; port_code = 5; } E_Report_Timeout_to_EEG; } T_Report_Timeout_to_EEG; */ # Definition of the Trial to log the response trial { trial_duration = 10; all_responses = false; stimulus_event { nothing {}; time = 5; # Start this event after 5 ms from the start the trial. # This is just to make sure the order in the log-file is correct (due to the nothing task jumping the queue). # Basically, nothing is done! # code = "Send Code"; # Comment this out to avoid seeing this in the logfile. # port_code = 196, 197 or 199, PCL Program fills this!!! } E_Log_Response; } T_Log_Response; # Definition of the Trial to show a Pause # Operator Controlled trial { trial_duration = 20000; all_responses = false; #trial_type = specific_response; #terminator_button = 7; stimulus_event { picture P_Pause; code = "Pause"; }; } T_Pause; # Definition of the Trial to Interrupt in the middle of a session # Operator Controlled trial { trial_duration = forever; trial_type = specific_response; terminator_button = 7; stimulus_event { picture P_Interruption; code = "Interrupted!!!"; }; } T_Interruption; # Definition of the Trial to end the session # Operator Controlled trial { trial_duration = forever; all_responses = false; trial_type = first_response; stimulus_event { picture P_End_Thanks; code = "End of Session!"; }; picture P_End_Thanks; } T_End_Thanks; ############################################################################## # Presentation Control Language (PCL) Program Part ############################################################################## begin_pcl; int N_of_Trials = 100; # Number of Experimental Trials per Session. int N_of_Blocks = 5; # Number of Blocks per Session. int N_of_Trials_per_Block = N_of_Trials/N_of_Blocks; # Number of Experimental Trials per Block. preset string V_Version; # Prompt the version at the beginning!!! input_file F_Session_List = new input_file; F_Session_List.open("Session_List_" + V_Version + ".txt"); # This is the file containing the list of stimuli for one session. # Each line in this file must correspond to one experimental trial. #### # Columns of strings in the order found in the input Session List file. string V_Auditory_Stimulus; string V_Item; string V_Condition; # output_port O_Port_to_EEG = output_port_manager.get_port(1); stimulus_data D_Stimulus_Data = stimulus_manager.last_stimulus_data(); int D_Last_Response = response_manager.last_response(); #======================== # Main Experiment Loop: - #======================== loop /*** Begin Main Loop 1 for Blocks ***/ int V_Current_Block = 1 until V_Current_Block > N_of_Blocks begin if V_Current_Block == 1 then T_Start_Exp.present(); else T_Pause.present(); end; T_Continue.present(); T_Blank_Screen.present(); #========== # Loop 2: - #========== loop /*** Begin Loop 2 for Trials ***/ int V_Current_Trial = 1 until V_Current_Trial > N_of_Trials_per_Block begin V_Auditory_Stimulus = F_Session_List.get_string(); # Eg: 01MA01 # Do filename and event-code assignments valid during this exp-trial; # Load wavefile and bitmap stimuli that are needed for this trial; /* We do this before launching the experimental trial so as to keep as minimal intereference as possible in trial timings. You see, these things consume processor time, however small they are! */ #### Specific for presenting Auditory Stimuli ------------------------------- Wav_Auditory_Stimulus.set_filename(V_Auditory_Stimulus + ".wav"); Wav_Auditory_Stimulus.load(); E_Auditory_Stimulus.set_event_code(V_Auditory_Stimulus + ".wav"); #### E_Launch_New_Trial.set_event_code("B" + string(V_Current_Block) + " T" + string(V_Current_Trial)); # Execute the Experimental Trial!!! T_Launch_New_Trial.present(); # Show Star for 500 ms /************ Auditory Stimulus Presentation Begins *****************/ #E_Auditory_Stimulus.set_port_code(int(V_Condition_Code)); # Set Condition Code for sending to EEG T_Auditory_Stimulus.present(); T_Keep_Showing_Star.present(); T_Blank_Screen.set_duration(500); T_Blank_Screen.present(); T_Blank_Screen.set_duration(1500); /************ Auditory Stimulus Presentation Ends *******************/ /***************** Task Begins **********************/ T_Identification_Task.present(); # Monitor the Response and send appropriate port codes to EEG!!! D_Stimulus_Data = stimulus_manager.last_stimulus_data(); if (D_Stimulus_Data.type() == stimulus_hit) then E_Log_Response.set_event_code("In-Tune"); T_Log_Response.present(); elseif (D_Stimulus_Data.type() == stimulus_incorrect) then E_Log_Response.set_event_code("Out-of-Tune"); T_Log_Response.present(); elseif (D_Stimulus_Data.type() == stimulus_miss) then E_Log_Response.set_event_code("Timeout"); T_Log_Response.present(); end; T_Confidence_Task.present(); # Monitor the stimulus type once more for the confidence task. D_Stimulus_Data = stimulus_manager.last_stimulus_data(); if (D_Stimulus_Data.type() != stimulus_miss) then # Get the response button pressed at last. D_Last_Response = response_manager.last_response(); if (D_Last_Response == 3) then E_Log_Response.set_event_code("0-Not-at-all"); T_Log_Response.present(); elseif (D_Last_Response == 4) then E_Log_Response.set_event_code("1-A-bit"); T_Log_Response.present(); elseif (D_Last_Response == 5) then E_Log_Response.set_event_code("2-A-lot"); T_Log_Response.present(); elseif (D_Last_Response == 6) then E_Log_Response.set_event_code("3-Absolutely"); T_Log_Response.present(); end; end; /***************** Task Ends **********************/ T_Blank_Screen.present(); #### Specific for presenting Auditory Stimuli ------------------------------- # Unload all memory occupiers such as wavefile stimuli. Wav_Auditory_Stimulus.unload(); #### # Go to the Next Trial V_Current_Trial = V_Current_Trial + 1; #=========== # End Loop 2 #=========== end; /*** End Loop 2 for Trials ***/ # Go to the Next Block V_Current_Block = V_Current_Block + 1; #================ # End Main Loop 1 #================ end; /*** End Main Loop 1 for Blocks ***/ # Close all the open files F_Session_List.close(); # Finish off the session!!! T_End_Thanks.present();