Emotions in motion [Elektronische Ressource] : processing of dynamic and static facial expressions of happiness and disgust investigated by FMRI and EEG / vorgelegt von Sina Alexa Trautmann

Sina Schmidt

Description

Aus der Abteilung für Neuropsychologie und Verhaltensneurobiologie Zentrum für Kognitionswissenschaften (ZKW) Emotions in Motion: Processing of Dynamic and Static Facial Expressions of Happiness and Disgust Investigated by FMRI and EEG Dissertation zur Erlangung der Doktorwürde durch den Promotionsausschuss Dr. phil. der Universität Bremen vorgelegt von Dipl.-Psych. Sina Alexa Trautmann Bremen, den 15. Juli 2008 1. Gutachter: Prof. Dr. Dr. Manfred Herrmann 2. Gutachterin: Prof. Dr. Canan Basar-Eroglu Tag des öffentlichen Kolloqiums: 5. November 2008 Sina Alexa Trautmann“Wenn wir an unsere Stärken glauben, werden wir täglich stärker.”(Mahatma Gandhi)I Sina Alexa TrautmannContents Acknowledgments..................................................................................................................... V Zusammenfassung....VI Abstract ....................................................................................................................................IX Keywords..........XI Abbreviations ..........................................................................................................................XII List of Tables......................................................................................................................... XIV List of Figures........ XV 1 General introduction........................................................................................................... 1 1.

Sujets

• Psychologie

Informations

• Publié par: universitat_bremen
• Publié le: 01 janvier 2008
• Nombre de lectures: 280
• Langue: Deutsch
• Poids de l'ouvrage: 9 Mo

Extrait

Aus der

Abteilung für Neuropsychologie und Verhaltensneurobiologie

Zentrum für Kognitionswissenschaften (ZKW)

Emotions in Motion:

Processing of Dynamic and Static Facial Expressions

of Happiness and Disgust Investigated

d EEG RI anMFby

Dissertation zur Erlangung der Doktorwürde

durch den

ss Dr. phil. uotionsausschmPro

der Universität Bremen

gelegt von vor

Dipl.-Psych. Sina Alexa Trautmann

n 15eBremen, d 2008 . Juli

1. Gutachter: Prof. Dr. Dr. Manfred Herrmann

2. Gutachterin: Prof. Dr. Canan Basar-Eroglu

Tag des öffentlichen Kolloqiums: 5. November 2008

Sina Alexa Trautmann

“Wenn wir an u

glauben, sere Stärkenn

werden wir

täglich stärker.”

(Mahatma Gandhi)

I

Sina Alexa Trautmann

ntentsCoAcknowledgments.....................................................................................................................V
Zusammenfassung....................................................................................................................VI
Abstract....................................................................................................................................IX
Keywords.................................................................................................................................XI
Abbreviations..........................................................................................................................XII
List of Tables.........................................................................................................................XIV
List of Figures........................................................................................................................XV
1 General introduction...........................................................................................................1
1.1 Structure of the present thesis....................................................................................1
1 .................................................................................................Definition of emotion1.2 1.2.1 Psychological concepts of emotion....................................................................2
1.2.2 Excursion: folk concepts versus scientific concepts of emotion........................3
1.3 The fascination of facial expressions.........................................................................4
1.4 General models of face and emotional face perception.............................................6
1.4.1 The modified face perception model by Haxby and colleagues (2000).............7
1.4.2 The emotional face perception model by Adolphs (2002).................................8
1.5 Emotional face processing in static versus dynamic stimuli....................................10
1.6 A brief overview of applied methods.......................................................................11
1.6.1 FMRI and BOLD signal...................................................................................11
1.6.2 EEG, ERPs, source analysis.............................................................................11
1.7 Aims and scope of the present studies.....................................................................13
2 Study 1: fMRI study of dynamic and static facial expression processing of happiness and
15 .......................................................................................................................................ustdisg2.1 Introduction: evidence from fMRI studies investigating emotion processing.........15
2.1.1 Distinct networks of emotion processing revealed by fMRI............................15
2.1.2 The use of dynamic stimulus material in emotion perception.........................15
2.1.3 Goals and hypotheses of the present fMRI study.............................................17
2.2 Material and methods: fMRI study..........................................................................17
17 .......................................................................................................2.2.1 Participants2.2.2 Data protection, data security and legal framework.........................................18
2.2.3 Experimental procedure: study design and strategies of data analyses............19
2.2.4 Behavioral measures: rating of stimulus material............................................21
2.2.5 Evaluation study of stimulus material..............................................................22

II

Sina Alexa Trautmann

2.2.6 Functional magnetic resonance imaging (fMRI).............................................22
24 ......................................................................................................................2.3 Results2.3.1 Behavioral data.................................................................................................24
2.3.2 FMRI data........................................................................................................25
2.4 General discussion of imaging data.........................................................................29
30 .........................................................................essingEmotional stimulus proc2.4.1 2.4.2 Possible reasons for the lack of insula activation in disgust............................33
2.4.3 Validity of dynamic compared to static facial expressions..............................34
2.4.4 BOLD activation in static emotional facial expressions..................................35
2.4.5 Network complexity.........................................................................................36
2.5 Preliminary conclusions of the fMRI study.............................................................37
3 Study 2: EEG study of static and dynamic facial expression processing of happiness and
disgust.......................................................................................................................................38
3.1 Introduction: evidence from ERP and source analysis studies examining emotion
38 .............................................................................................................................gprocessin39 ..................................................................................................................3.1.1 P10040 .................................................................................................................3.1.2 N1703.1.3 EPN (Early Posterior Negativity).....................................................................43
3.1.4 LPP (Late Positive Potential)...........................................................................45
3.1.5 Source analysis approaches in emotion processing studies.............................47
3.1.6 Dynamic facial expressions and ERPs.............................................................49
3.1.7 Hypotheses and goals of the present EEG study..............................................49
3.2 Material and methods: EEG study...........................................................................51
51 .......................................................................................................3.2.1 Participants3.2.2 Data protection, data security and legal framework.........................................51
3.2.3 Experimental procedure: study design and strategies of data analyses............52
3.2.4 Behavioral measures: rating of stimulus material............................................52
53 ..................................................................................ERPs and source models3.2.5 63 ......................................................................................................................3.3 Results3.3.1 Behavioral data.................................................................................................63
64 ...........................................................................................................data3.3.2 ERP 3.3.3 Source analysis data.........................................................................................70
3.4 General Discussion of EEG data..............................................................................78
3.4.1 Behavioral data.................................................................................................78

III

4

Sina Alexa Trautmann

3.4.2 ERP 79 ...........................................................................................................data

3.4.3 Source analysis.................................................................................................92

3.4.4 Ecological validity of dynamic facial expressions.........................................105

General discussion and integration of fMRI and EEG data...........................................109

4.1 Limitations.............................................................................................................109

4.1.1 Limitations of the combination of the two studies of the present thesis........109

4.1.2 Methodological considerations among studies per se....................................111

4.2 Critical review of the integration of fMRI and EEG..............................................112

4.3 Integration of the results of the present thesis with the emotional face perception

117 ...............................................................................................02)m