![](/static/experiments/n_back_single_task_network__fmri/images/"
+
+
+var n_back_conditions = jsPsych.randomization.repeat([)
Match the current letter to the letter that appeared some number of trials ago' +
+ '![]("
+
+var fileTypePNG = ".png)
"
+var preFileType = "![](/static/experiments/stop_signal_single_task_network__fmri/images/"
+
+
+var images = []
+for(i=0;i<shapes.length;i++){
+ images.push(pathSource + shapes[i] + )
' + shapes[0] + ': ' + possible_responses[0][0] + '' +
+ '' + shapes[0] + ': ' + possible_responses[0][0] + '
' + + '' + shapes[2] + ': ' + possible_responses[2][0] + '
' + + 'Do not respond if a star appears!
' + + 'Thanks for completing this task!
'+ + 'In this task you will see shapes appear on the screen one at a time.
' + + 'Only one response is correct for each shape.
'+ + 'If the shape is a '+shapes[0]+', press your '+possible_responses[0][0]+'.
'+ + 'If the shape is a '+shapes[2]+', press your '+possible_responses[2][0]+'.
'+ + //'You should respond as quickly and accurately as possible to each shape.
'+ + 'On some trials, a star will appear around the shape. The star will appear with, or shortly after the shape appears.
'+ + 'If you see a star appear, please try your best to withhold your response on that trial.
'+ + 'If the star appears on a trial, and you try your best to withhold your response, you will find that you will be able to stop sometimes but not always.
'+ + 'Please do not slow down your responses in order to wait for the star. You should respond as quickly and accurately as possible to each shape.
'+ + 'During practice, you will see a reminder of the rules. This will be removed for the test.
'+ + 'To let the experimenters know when you are ready to begin, please press any button.
'+ + 'We will now start the practice for the experiment.
For these trials, you must press your '+possible_responses[0][0]+', '+ ' or '+possible_responses[2][0]+ ' depending on the shape of the stimulus. Make sure to respond as quickly and accurately as possible to the shape.
The responses for each shape are as follows: ' +
+ prompt_text +
+ '
Remember these rules before you proceed.
Press any button to begin.
We will now begin the test portion.
'+ + 'You will see a shape on every trial. Please respond to each shape as quickly and accurately as possible!
'+ + 'If the shape is a '+shapes[0]+', press your '+possible_responses[0][0]+'.
'+ + 'If the shape is a '+shapes[2]+', press your '+possible_responses[2][0]+'.
'+ + 'Do not respond if you see a star.
'+ + 'You will no longer receive the rule prompt, so remember the instructions before you continue. Press any button to begin.
'+ + 'SSD:
" + ] + ], on_finish: function(data) { + SSD = parseInt(data.responses.slice(7, 10)) + SSD = math.max(100,math.min(400,SSD)) + ITIs_stim = genITIs() + ITIs_resp = ITIs_stim.slice(0) //make a copy of ITIs so that timing_stimulus & timing_response are the same + } +} + + +var practiceStopTrials = [] +//practiceStopTrials.push(feedback_block) +practiceStopTrials.push(instructions_block) +for (i = 0; i < practice_len; i++) { + var practice_block = { + type: 'stop-signal', + stimulus: getStim, + SS_stimulus: getStopStim, + SS_trial_type: getSSType, + data: { + trial_id: "practice_trial", + }, + is_html: true, + choices: [possible_responses[0][1], possible_responses[2][1]], + timing_stim: 1000, //1000 + timing_response: 2000, //2000 + response_ends_trial: false, + SSD: getSSD, + timing_SS: 500, //500 + timing_post_trial: 0, + on_finish: appendData, + prompt: prompt_text, + on_start: function(){ + stoppingTracker = [] + stoppingTimeTracker = [] + } + } + + var categorize_block = { + type: 'poldrack-single-stim', + data: { + trial_id: "practice-stop-feedback" + }, + choices: 'none', + stimulus: getCategorizeFeedback, + timing_post_trial: 0, + is_html: true, + timing_stim: 500, //500 + timing_response: 500, //500 + response_ends_trial: false, + + }; + + practiceStopTrials.push(practice_fixation_block) + practiceStopTrials.push(practice_block) + practiceStopTrials.push(categorize_block) + +} + + +var practiceStopCount = 0 +var practiceStopNode = { + timeline: practiceStopTrials, + loop_function: function(data) { + practiceStopCount = practiceStopCount + 1 + current_trial = 0 + stims = createTrialTypes(numTrialsPerBlock) + + var total_trials = 0 + + var sum_stop_rt = 0; + var sum_go_rt = 0; + + var sumGo_correct = 0; + var sumStop_correct = 0; + + var num_go_responses = 0; + var num_stop_responses = 0; + + var go_length = 0; + var stop_length = 0 + + for (i = 0; i < data.length; i++) { + if (data[i].trial_id == "practice_trial"){ + total_trials += 1 + } + + if (data[i].stop_signal_condition == "go"){ + go_length += 1 + if (data[i].rt != -1) { + num_go_responses += 1 + sum_go_rt += data[i].rt; + if (data[i].key_press == data[i].correct_response) { + sumGo_correct += 1 + } + } + } else if (data[i].stop_signal_condition == "stop") { + stop_length += 1 + if (data[i].rt != -1){ + num_stop_responses += 1 + sum_stop_rt += data[i].rt + } else if (data[i].rt == -1){ + sumStop_correct += 1 + } + } + } + + var average_rt = sum_go_rt / num_go_responses; + var missed_responses = (go_length - num_go_responses) / go_length + + var aveShapeRespondCorrect = sumGo_correct / go_length + + var stop_signal_respond = num_stop_responses / stop_length + + + + + feedback_text = "Please take this time to read your feedback and to take a short break." //Press any button to continue." + + if (practiceStopCount == practice_thresh) { + feedback_text += '
Done with this practice. The test session will begin shortly.' + exp_phase = "test" + return false; + + } + + if ((aveShapeRespondCorrect > accuracy_thresh) && (stop_signal_respond < maxStopCorrectPractice) && (stop_signal_respond > minStopCorrectPractice)){ + feedback_text += '
Done with this practice. The test session will begin shortly.' + exp_phase = "test" + return false; + + } else { + if (aveShapeRespondCorrect < accuracy_thresh) { + feedback_text += + '
We are going to try practice again to see if you can achieve higher accuracy. Remember:
' +
+ prompt_text_list
+ }
+ if (average_rt > rt_thresh) {
+ feedback_text +=
+ '
You have been responding too slowly, please respond to each shape as quickly and as accurately as possible.' + } + if (missed_responses > missed_response_thresh){ + if(aveShapeRespondCorrect < accuracy_thresh){ + feedback_text += + '
We have detected a number of trials that required a response, where no response was made. Please ensure that you are responding accurately and quickly to the shapes.' + + + } else { + feedback_text += + '
We have detected a number of trials that required a response, where no response was made. Please ensure that you are responding accurately and quickly to the shapes.
' +
+ prompt_text_list
+ }
+ }
+
+
+ if (stop_signal_respond === maxStopCorrectPractice){
+ feedback_text +=
+ '
You have not been stopping your response when stars are present. Please try your best to stop your response if you see a star.' + } + + if (stop_signal_respond === minStopCorrectPractice){ + feedback_text += + '
You have been responding too slowly. Please respond as quickly and accurately to each stimulus that requires a response.' + + } + + feedback_text += '
Redoing this practice.'
+ return true
+
+ }
+ }
+}
+
+var testTrials = []
+testTrials.push(feedback_block)
+for (i = 0; i < numTrialsPerBlock; i++) {
+
+ var test_block = {
+ type: 'stop-signal',
+ stimulus: getStim,
+ SS_stimulus: getStopStim,
+ SS_trial_type: getSSType,
+ data: {
+ trial_id: "test_trial"
+ },
+ is_html: true,
+ choices: [possible_responses[0][1], possible_responses[2][1]],
+ timing_stim: 1000, //1000
+ timing_response: 2000, //2000
+ response_ends_trial: false,
+ SSD: getSSD,
+ timing_SS: 500, //500
+ timing_post_trial: 0,
+ on_finish: appendData,
+ on_start: function(){
+ stoppingTracker = []
+ stoppingTimeTracker = []
+ }
+ }
+ testTrials.push(ITI_fixation_block)
+ testTrials.push(test_block)
+}
+//testTrials.push(feedback_block)
+
+var testCount = 0
+var testNode = {
+ timeline: testTrials,
+ loop_function: function(data) {
+ current_trial = 0
+ testCount += 1
+ stims = createTrialTypes(numTrialsPerBlock)
+
+ var total_trials = 0
+
+ var sum_stop_rt = 0;
+ var sum_go_rt = 0;
+
+ var sumGo_correct = 0;
+ var sumStop_correct = 0;
+
+ var num_go_responses = 0;
+ var num_stop_responses = 0;
+
+ var go_length = 0;
+ var stop_length = 0
+
+ for (i = 0; i < data.length; i++) {
+ if (data[i].trial_id == "test_trial"){
+ total_trials += 1
+ }
+
+ if (data[i].stop_signal_condition == "go"){
+ go_length += 1
+ if (data[i].rt != -1) {
+ num_go_responses += 1
+ sum_go_rt += data[i].rt;
+ if (data[i].key_press == data[i].correct_response) {
+ sumGo_correct += 1
+ }
+ }
+ } else if (data[i].stop_signal_condition == "stop") {
+ stop_length += 1
+ if (data[i].rt != -1){
+ num_stop_responses += 1
+ sum_stop_rt += data[i].rt
+ } else if (data[i].rt == -1){
+ sumStop_correct += 1
+ }
+ }
+ }
+
+ var average_rt = sum_go_rt / num_go_responses;
+ var missed_responses = (go_length - num_go_responses) / go_length
+
+ var aveShapeRespondCorrect = sumGo_correct / go_length
+
+ var stop_signal_respond = num_stop_responses / stop_length
+
+
+ feedback_text = "
Please take this time to read your feedback and to take a short break. Press any button to continue."
+ feedback_text += "
You have completed: "+testCount+" out of "+numTestBlocks+" blocks of trials." + + if (testCount == numTestBlocks) { + feedback_text += '
Done with this test.' //If you have been completing tasks continuously for an hour or more, please take a 15-minute break before starting again.' + + return false; + } else { + + if (aveShapeRespondCorrect < accuracy_thresh) { + feedback_text += + '
Your accuracy is too low. Remember:
' +
+ prompt_text_list
+ }
+ if (average_rt > rt_thresh) {
+ feedback_text +=
+ '
You have been responding too slowly, please respond to each shape as quickly and as accurately as possible.' + } + if (missed_responses > missed_response_thresh){ + if(aveShapeRespondCorrect < accuracy_thresh){ + feedback_text += + '
We have detected a number of trials that required a response, where no response was made. Please ensure that you are responding accurately and quickly to the shapes.' + + + } else { + feedback_text += + '
We have detected a number of trials that required a response, where no response was made. Please ensure that you are responding accurately and quickly to the shapes.
' +
+ prompt_text_list
+ }
+ }
+
+ if (stop_signal_respond > maxStopCorrect){
+ feedback_text +=
+ '
You have not been stopping your response when stars are present. Please try your best to stop your response if you see a star.' + } + + if (stop_signal_respond < minStopCorrect){ + feedback_text += + '
You have been responding too slowly. Please respond as quickly and accurately to each stimulus that requires a response.' + + } + + + + return true; + } + } +} + + +/* ************************************ */ +/* Set up Experiment */ +/* ************************************ */ + +var stop_signal_single_task_network__fmri_experiment = [] + +stop_signal_single_task_network__fmri_experiment.push(SSD_setup_block) //exp_input + +test_keys(stop_signal_single_task_network__fmri_experiment, [possible_responses[0][1], possible_responses[2][1]]) +stop_signal_single_task_network__fmri_experiment.push(practiceStopNode) +stop_signal_single_task_network__fmri_experiment.push(feedback_block); + +setup_fmri_intro(stop_signal_single_task_network__fmri_experiment) +stop_signal_single_task_network__fmri_experiment.push(testNode); +stop_signal_single_task_network__fmri_experiment.push(feedback_block); + +stop_signal_single_task_network__fmri_experiment.push(end_block); + + + + + diff --git a/stop_signal_single_task_network__fmri/images/circle.png b/stop_signal_single_task_network__fmri/images/circle.png new file mode 100644 index 000000000..4ed81f99a Binary files /dev/null and b/stop_signal_single_task_network__fmri/images/circle.png differ diff --git a/stop_signal_single_task_network__fmri/images/pentagon.png b/stop_signal_single_task_network__fmri/images/pentagon.png new file mode 100644 index 000000000..51f7dd50a Binary files /dev/null and b/stop_signal_single_task_network__fmri/images/pentagon.png differ diff --git a/stop_signal_single_task_network__fmri/images/rhombus.png b/stop_signal_single_task_network__fmri/images/rhombus.png new file mode 100644 index 000000000..46d9a4746 Binary files /dev/null and b/stop_signal_single_task_network__fmri/images/rhombus.png differ diff --git a/stop_signal_single_task_network__fmri/images/square.png b/stop_signal_single_task_network__fmri/images/square.png new file mode 100644 index 000000000..3a4ef24a0 Binary files /dev/null and b/stop_signal_single_task_network__fmri/images/square.png differ diff --git a/stop_signal_single_task_network__fmri/images/stopSignal.png b/stop_signal_single_task_network__fmri/images/stopSignal.png new file mode 100644 index 000000000..8b8f9fcfe Binary files /dev/null and b/stop_signal_single_task_network__fmri/images/stopSignal.png differ diff --git a/stop_signal_single_task_network__fmri/images/trapezoid.png b/stop_signal_single_task_network__fmri/images/trapezoid.png new file mode 100644 index 000000000..ca28507aa Binary files /dev/null and b/stop_signal_single_task_network__fmri/images/trapezoid.png differ diff --git a/stop_signal_single_task_network__fmri/images/triangle.png b/stop_signal_single_task_network__fmri/images/triangle.png new file mode 100644 index 000000000..93f4bbbc3 Binary files /dev/null and b/stop_signal_single_task_network__fmri/images/triangle.png differ diff --git a/stop_signal_single_task_network__fmri/style.css b/stop_signal_single_task_network__fmri/style.css new file mode 100644 index 000000000..f0766911f --- /dev/null +++ b/stop_signal_single_task_network__fmri/style.css @@ -0,0 +1,118 @@ +/*******************************************************/ +/*********** Network Default CSS Styles **********/ +/*******************************************************/ + +.display_stage { + position: fixed; + background: gray; + left: 5vw; + top: 2vh; + height: 94vh; + width: 90vw; + border-radius: 15px; + border: 1vh solid #D0D0D0; + z-index: 0; +} + +.display_stage > div, .display_stage > p { + color: white; +} + +.flanker-text { + text-align: center; + font-size: 50px; + position: relative; + top: 50%; + transform: translateY(-50%); + -webkit-transform: translateY(-50%); +} + +.fb_box { + width:35vw; + height: 20vh; + position:absolute; + top:50%; + left:50%; + margin-right:-50%; + transform: translate(-50%,-175%); +} + +.picture_box { + width: 60%; + height: 60%; + position:absolute; + top:50%; + left:50%; + transform: translate(-50%,-50%); + margin-right:0%; + background-color: none; + text-align: center; +} + + +.fixation { + text-align: center; + font-size: 50px; + position: relative; + top: 50%; + transform: translateY(-50%); + -webkit-transform: translateY(-50%); +} + +.cue-text { + width:20vw; + height: 20vh; + position:absolute; + top:50%; + left:50%; + margin-right:-50%; + transform: translate(-50%,-50%); +} + +.bigbox { +width:100%; +margin: auto; +min-height: 100%; +position:absolute; +top:0%; +left:0%; +margin-right:0%; +background-color: none; +text-align: center; +} + +.instructBox { + width: 80vw; + height: 10vw; + position:absolute; + top:10%; + left:50%; + margin-right: 0%; + transform: translate(-50%,-50%); + background-color: none; + font-size: 24px; +} + +.prompt_box { + width: 75%; + height: 20%; + position:absolute; + top:10%; + left:12.5%; + transform: translate(-50%,-45%); + margin-right:0%; + background-color: none; + text-align: center; +} + +img.center { + height: auto; + width: auto\9; /* ie8 */ + position: absolute; + top: 0; + bottom: 0; + left: 0; + right: 0; + margin: auto; + max-height: 65%; +} \ No newline at end of file