[WIP] An example for the stimuli-structure

stimuli_structure/README

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+# Draft Structure for the stimuli directory
+
+Following the discussions under https://github.com/bids-standard/bids-specification/issues/153 and https://github.com/bids-standard/bids-specification/issues/751, here is a draft structure for the stimuli directory and how it could be integrated into the BIDS data runs.

stimuli_structure/dataset_description.json

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+{
+  "Name": "Stimuli structure sample dataset.",
+  "License": "CC BY-NC-SA 4.0",
+  "Authors": ["Seyed Yahya Shirazi"], 
+  "EthicsApprovals": ["Both data runs have ethical epproval in their respective experiments."],
+  "BIDSVersion": "1.10.0",
+  "HEDVersion": "8.3.0"
+}

stimuli_structure/participants.json

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+{
+    "participant_id": {
+        "Description": "The prticipant ID set in the HBN dataset"
+    },
+    "sex": {
+        "LongName": "Gender",
+        "Description": "Gender",
+        "Levels": {
+            "F": "Female",
+            "M": "Male"
+            }
+    },
+    "age": {
+        "LongName": "Age",
+        "Description": "Age in years"
+    }
+}

stimuli_structure/participants.tsv

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+participant_id	sex	age
+sub-sampleTimeVarying	F	7.98
+sub-sampleStillImage	M	xxx

stimuli_structure/stimuli/stim-forrest_part-1.json

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+{
+	"type": "audiovideo",
+	"description": "Segment1, duration 902 seconds"
+
+}

stimuli_structure/stimuli/stim-forrest_part-2.json

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+{
+	"type": "audiovideo",
+	"description": "Segment1, duration 882 seconds"
+
+}

stimuli_structure/stimuli/stim-forrest_part-3.json

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+{
+	"type": "audiovideo",
+	"description": "Segment1, duration 876 seconds"
+
+}

stimuli_structure/stimuli/stim-forrest_part-4.json

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+{
+	"type": "audiovideo",
+	"description": "Segment1, duration 976 seconds"
+
+}

stimuli_structure/stimuli/stim-forrest_part-5.json

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+{
+	"type": "audiovideo",
+	"description": "Segment1, duration 924 seconds"
+
+}

stimuli_structure/stimuli/stim-forrest_part-6.json

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+{
+	"type": "audiovideo",
+	"description": "Segment1, duration 878 seconds"
+
+}

stimuli_structure/stimuli/stim-forrest_part-7.json

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+{
+	"type": "audiovideo",
+	"description": "Segment1, duration 1084 seconds"
+
+}

stimuli_structure/stimuli/stim-forrest_part-8.json

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+{
+	"type": "audiovideo",
+	"description": "Segment1, duration 675.04 seconds"
+
+}

stimuli_structure/stimuli/stim-thepresent.json

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+{
+	"URL": "https://youtu.be/3XA0bB79oGc",
+	"type": "audiovideo",
+	"description": "Rating: No parental guideline rating, Description: Mother gives her son a poppy as a present, but the poppy has a missing limb., Rationale: The clip is included to probe for interpersonal empathy functioning., Length: 3:23"
+
+}

stimuli_structure/stimuli/stim-thepresent_annot-LogLumRatio_events.json

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+{
+    "onset": {
+        "LongName": "Event onset",
+        "Description": "Position (latency) of event marker in seconds relative to the start.",
+        "Units": "seconds"
+    },
+    "duration": {
+        "Description": "Duration of the event. For this stimulus, this is the duration of the shot.",
+        "Units": "seconds",
+        "HED": "(Duration/# s, ({shot_number}))"
+    },
+    "shot_number": {
+        "Description": "Shot sequence number in the movie",
+        "HED": "(Sensory-event, Visual-presentation, (Computer-screen, Label/shotNumber, Item/#))"
+    },
+    "LLR": {
+        "Description": "Log Luminance Ratio for the three frames before and after the shot change",
+        "Units": "dB",
+        "HED": "(Luminance, Computed-feature, Ratio/#)"
+    }
+}

stimuli_structure/stimuli/stim-thepresent_annot-LogLumRatio_events.tsv

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+onset	duration	shot_number	LLR
+0	n/a	video_start	video_start
+0	7.25	1	n/a
+7.25	3.542	2	-1.557820733
+10.792	5.208	3	0.3358234903
+16	5	4	-0.03306866929
+21	4.208	5	-0.2070276568
+25.208	9.375	6	0.04327900913
+34.583	0.792	7	-0.1644478802
+35.375	1.333	8	-0.06762669846
+36.708	3.167	9	0.1579466073
+39.875	3.292	10	0.2663627968
+43.167	3.5	11	-0.2664832696
+46.667	2.333	12	0.04315495832
+49	1.917	13	-0.04155285906
+50.917	4.125	14	0.04001208653
+55.042	2.917	15	-0.08485806694
+57.958	2.042	16	0.008346347475
+60	3.958	17	0.02230250862
+63.958	1.458	18	-0.06699408597
+65.417	1.083	19	0.04519596032
+66.5	1.917	20	0.07562682269
+68.417	2.208	21	-0.09718166316
+70.625	4.667	22	0.04645434208
+75.292	1.667	23	0.01865315886
+76.958	0.833	24	0.02023945652
+77.792	1.583	25	-0.01044289204
+79.375	2.292	26	0.07107341152
+81.667	4.5	27	-0.07068154365
+86.167	2.625	28	-0.09355068459
+88.792	2.542	29	0.127618289
+91.333	5.583	30	-0.03570772929
+96.917	4.458	31	0.1251853136
+101.375	3.042	32	-0.1428285775
+104.417	1.25	33	0.0998938008
+105.667	0.792	34	-0.007754262065
+106.458	1.5	35	-0.06120459462
+107.958	0.667	36	-0.02361673076
+108.625	2.208	37	0.01752653383
+110.833	3	38	0.07973702237
+113.833	2.292	39	-0.08752530512
+116.125	1	40	0.05044258775
+117.125	2.25	41	-0.0466125638
+119.375	2.708	42	0.09235464595
+122.083	3.375	43	-0.1067268907
+125.458	6.292	44	0.02212250449
+131.75	4.833	45	0.1053584879
+136.583	3.583	46	-0.06164775268
+140.167	1.708	47	0.001148701321
+141.875	4.292	48	-0.1751332264
+146.167	4.708	49	0.1760542644
+150.875	3.667	50	-0.06821788465
+154.542	2.958	51	0.01782704926
+157.5	3.125	52	-0.0693816018
+160.625	1.833	53	0.0899746917
+162.458	2.792	54	0.09733030527
+165.25	6.667	55	-0.2270603551
+171.917	31.292	56	0.1188704433
+203.208	n/a	video_stop	video_stop

stimuli_structure/stimuli/stim-thepresent_annot-action_events.json

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+{
+  "dog_action": {
+    "Description": "This describes the actions of the dog character in the movie",
+    "HED": "Label/dog_action, (Visual-presentation, (Agent-action, Animal-agent, (Action, Description/#)))"
+  },
+  "boy_action": {
+    "Description": "This describes the actions of the boy character in the movie",
+    "HED": "Label/boy_action, (Visual-presentation, (Agent-action, (Human-agent, Male), (Action, Description/#)))"
+  },
+  "mother_action": {
+    "Description": "This describes the actions of the mother character in the movie",
+    "HED": "Label/mother_action, (Visual-presentation, (Agent-action, (Human-agent, Female), (Action, Description/#)))"
+  },
+  "environment_action": {
+    "Description": "This describes the actions happening in the background environment in the movie",
+    "HED": "Label/environment_action, (Visual-presentation, Description/#)"
+  }
+}