Neural conditioning for perception of subliminal visual stimuli using RtfMRI feedback:
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| 1. Verfasser: | |
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2012
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XX, 146 S. Ill., graph. Darst. |
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Datensatz im Suchindex
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| adam_text | IMAGE 1
CONTENTS
ACKNOWLEDGEMENTS V
ZUSAMMENFASSUNG VII
ABSTRACT IX
ABBREVIATIONS XIX
1. INTRODUCTION 1
2. BACKGROUND AND STUDY OBJECTIVES 5
2.1. VISUAL PERCEPTION 5
2.1.1. NEURAL PATHWAY OF VISUAL SYSTEM 6
2.1.2. CONSCIOUS PERCEPTION 8
2.1.3. SUBLIMINAL PERCEPTION 10
2.1.4. METHODS FOR INDUCING SUBLIMINAL AND CONSCIOUS PERCEPTION . . . .
12
2.1.5. MEASUREMENT OF EMOTIONS 15
2.2. RTFMRI FEEDBACK 18
2.2.1. RTFMRI BRAIN COMPUTER INTERFACE SYSTEM 20
2.2.2. APPLICATIONS OF RTFMRI NEUROFEEDBACK 22
2.3. AIMS OF THE STUDY 22
3. EXPERIMENT 1: THRESHOLD PRE-MEASUREMENT 25
3.1. METHODS 25
3.1.1. PARTICIPANTS 25
HTTP://D-NB.INFO/1024876985
IMAGE 2
XII
CONTENTS
3.1.2. EXPERIMENTAL PARADIGM . . 26
3.1.3. QUESTIONNAIRES 28
3.1.4. ANALYSIS OF THRESHOLD PRE-MEASUREMENT 28
3.2. RESULTS 30
3.2.1. SUBJECTIVE VISIBILITY 30
3.2.2. PHENOMENA OF OBJECTIVE PERFORMANCE ABOUT STATE OF MIND 32
3.2.3. IDENTIFICATION OF THRESHOLD TO CONSCIOUS PERCEPTION 34
3.3. DISCUSSION 40
4. EXPERIMENT 2: CONSCIOUSNESS CLASSIFIER 43
4.1. METHODS 44
4.1.1. PARTICIPANTS 44
4.1.2. EXPERIMENTAL PARADIGM 44
4.1.3. ANALYSIS OF BEHAVIOURAL DATA 46
4.1.4. DATA ACQUISITION AND ANAYLSIS OF FMRI DATA 47
4.2. RESULTS 48
4.2.1. BEHAVIORAL RESULTS 48
4.2.2. FMRI RESULTS 52
4.3. DISCUSSION 57
4.3.1. SUMMARY OF MAIN RESULTS 58
4.3.2. BEHAVIOR AND NEURAL TRAITS UNDER SUBLIMINAL CONDITION 58
4.3.3. BEHAVIOURAL AND NEURAL PROPERTIES UNDER CONSCIOUS CONDITION . .
60
5. EXPERIMENT 3: FUNCTIONAL LOCALIZER 63
5.1. METHODS 64
5.1.1. PARTICIPANTS 64
5.1.2. EXPERIMENTAL PARADIGM 64
5.1.3. DATA ACQUISITION AND ANAYLSIS OF FMRI DATA 65
5.2. RESULTS 68
5.2.1. FMRI RESULTS 68
IMAGE 3
CONTENTS XIII
5.2.1.1. EFFECTS OF FACE AND NON-FACE OBJECTS 6 8
5.2.1.2. NEURAL CORRELATES OF THE PERCEPTION OF EMOTION FACES . . 69
5.2.2. EFFECTS OF DIFFERENT VALENCE UPON FUNCTIONAL CONNECTIVITY 71
5.2.2.1. EFFECT OF VALENCE ON BOTTOM-UP PROCESSING 71
5.2.2.2. CONNECTIVITY BETWEEN EMOTION-RELATED ROIS 73
5.3. DISCUSSION 78
5.3.1. NEURAL ACTIVITY LINKED TO EMOTIONAL FACE PERCEPTION 78
5.3.2. EFFECT OF EMOTIONAL VALENCE ON FUNCTIONAL CONNECTIVITY PATTERNS .
79
6. EXPERIMENT 4 AND 5: TRAINING AND THRESHOLD POST-MEASUREMENT 83
6.1. METHODS 84
6.1.1. PARTICIPANTS 84
6.1.2. EXPERIMENTAL PARADIGM 85
6.1.3. DATA ACQUISITION AND ANAYLSIS OF FMRI DATA 89
6.1.4. QUESTIONNAIRES 90
6.1.5. ANALYSIS OF BEHAVIORAL DATA 90
6.2. RESULTS 91
6.2.1. FMRI RESULTS 91
6.2.2. BEHAVIORAL RESULTS 96
6.3. DISCUSSION 98
7. OVERVIEW AND GENERAL DISCUSSION 101
7.1. BEHAVIORAL DATA 101
7.2. FMRI DATA 102
7.2.1. NEURAL PROPERTIES UNDER SUBLIMINAL AND CONSCIOUS EMOTIONAL PER
CEPTION 103
7.2.2. EFFECTS OF FMRI ONLINE TRAINING 104
7.3. CONCLUSION 105
7.4. OUTLOOK 106
BIBLIOGRAPHY 108
IMAGE 4
XIV
CONTENTS
APPENDIX 131
A. EXPERIMENT 1: THRESHOLD PRE-MEASUREMENT 131
A.1. DESCRIPTIVE DATA ANALYSIS OF THE DISTRIBUTION OF SUBJECTIVE
VISIBIL
ITY FOR EACH DELAY 131
A.2. EFFECT OF DELAY ON SUBJECTIVE VISIBILITY USING WILCOXON SIGNED
RANKS TEST 131
A.3. OVERVIEW OF THE REACTION TIME OF SUBJECTIVE VISIBILITY AT EACH
DELAYL 32
A.4. EFFECT OF DELAY ON OBJECTIVE PERFORMANCE USING WILCOXON SIGNED
RANKS TEST 133
A.5. OVERVIEW OF OBJECTIVE PERFORMANCE AT EACH DELAY 134
A.6. OVERVIEW OF REACTION TIMES AT EACH DELAY 134
B. EXPERIMENT 2: CONSCIOUSNESS CLASSIFIER 135
B.1. DESCRIPTIVE DATA ANALYSIS OF THE DISTRIBUTION OF SUBJECTIVE
VISIBIL
ITY RATINGS FOR SUBLIMINAL AND CONSCIOUS STIMULATION 135
B.2. COMPARISON OF EFFECT SIZE OF SEVERAL ROIS BETWEEN SUBLIMINAL
AND CONSCIOUS PROCESSING 136
C. EXPERIMENT3: FUNCTIONAL LOCALIZER 141
C.1. NUMBERING OF ROIS 141
D. EXPERIMENT 4 AND 5: TRAINING AND THRESHOLD POST-MEASUREMENT 144
D.1. EXPERIMENTAL PROTOCOL 144
D.2. CORRELATION BETWEEN BOLD ACTIVITY INCREASE IN EACH ROI AND
THRESHOLD IMPROVEMENT 145
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| indexdate | 2024-07-10T00:21:39Z |
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| language | English |
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| spelling | Kim, Sunjung Verfasser aut Neural conditioning for perception of subliminal visual stimuli using RtfMRI feedback vorgelegt von Sunjung Kim 2012 XX, 146 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Tübingen, Univ., Diss., 2012 Konditionierung (DE-588)4032036-4 gnd rswk-swf Entscheidungsverhalten (DE-588)4113448-5 gnd rswk-swf Unterschwellige Wahrnehmung (DE-588)4210140-2 gnd rswk-swf Psychologie (DE-588)4047704-6 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Psychologie (DE-588)4047704-6 s Unterschwellige Wahrnehmung (DE-588)4210140-2 s Entscheidungsverhalten (DE-588)4113448-5 s Konditionierung (DE-588)4032036-4 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025178056&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Kim, Sunjung Neural conditioning for perception of subliminal visual stimuli using RtfMRI feedback Konditionierung (DE-588)4032036-4 gnd Entscheidungsverhalten (DE-588)4113448-5 gnd Unterschwellige Wahrnehmung (DE-588)4210140-2 gnd Psychologie (DE-588)4047704-6 gnd |
| subject_GND | (DE-588)4032036-4 (DE-588)4113448-5 (DE-588)4210140-2 (DE-588)4047704-6 (DE-588)4113937-9 |
| title | Neural conditioning for perception of subliminal visual stimuli using RtfMRI feedback |
| title_auth | Neural conditioning for perception of subliminal visual stimuli using RtfMRI feedback |
| title_exact_search | Neural conditioning for perception of subliminal visual stimuli using RtfMRI feedback |
| title_full | Neural conditioning for perception of subliminal visual stimuli using RtfMRI feedback vorgelegt von Sunjung Kim |
| title_fullStr | Neural conditioning for perception of subliminal visual stimuli using RtfMRI feedback vorgelegt von Sunjung Kim |
| title_full_unstemmed | Neural conditioning for perception of subliminal visual stimuli using RtfMRI feedback vorgelegt von Sunjung Kim |
| title_short | Neural conditioning for perception of subliminal visual stimuli using RtfMRI feedback |
| title_sort | neural conditioning for perception of subliminal visual stimuli using rtfmri feedback |
| topic | Konditionierung (DE-588)4032036-4 gnd Entscheidungsverhalten (DE-588)4113448-5 gnd Unterschwellige Wahrnehmung (DE-588)4210140-2 gnd Psychologie (DE-588)4047704-6 gnd |
| topic_facet | Konditionierung Entscheidungsverhalten Unterschwellige Wahrnehmung Psychologie Hochschulschrift |
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