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Informations
Publié par | heinrich-heine-universitat_dusseldorf |
Publié le | 01 janvier 2008 |
Nombre de lectures | 16 |
Langue | English |
Poids de l'ouvrage | 9 Mo |
Extrait
The alpha band as an electrophysiological indicator for internalized attention and
high mental workload in real traffic driving.
Inaugural‐Dissertation
zur
Erlangung des Doktorgrades der
Mathematisch‐Naturwissenschaftlichen Fakultät
der Heinrich‐Heine Universität Düsseldorf
vorgelegt von
Konrad Hagemann
aus Ebersberg
1. April 2008Aus dem Institut für Experimentelle Psychologie
der Heinrich‐Heine Universität Düsseldorf
Gedruckt mit der Genehmigung der
Mathematisch‐Naturwissenschaftlichen Fakultät der
Heinrich‐Heine‐Universität Düsseldorf
Referent: Prof. Dr. Axel Buchner
Koreferent: PD. Dr. Michael Schrauf
Tag der mündlichen Prüfung: 09. Mai 2008Table of Contents III
Table of Contents
Tables .................................................................................................................................III
Figures.............................................................................................................................VIII
Preface..........XV
Deutsche Zusammenfassung........................................................................................XVI
Summary............................................................................................................................XX
1. Introduction.......................................................................................................................24
2. Theoretical Background..................................................................................................28
2.1 The Driving Task...................................................................................................29
2.1.1 Theoretical Models of Driving.....................................................................29
2.1.2 The Role of Automaticity in Driving...........................................................33
2.1.3 Environmental Factors..................................................................................34
2.1.4 Neural Correlates of Driving........................................................................36
2.2 Theoretical Models on Mental Workload..........................................................40
2.2.1 Mental Workload as Defined by ISO 10075................................................40
2.2.2 Further Models of Mental Workload42
2.3 The Assessment of Mental Workload.................................................................51
2.3.1 Criteria for the Evaluation of Assessment Techniques.............................51
2.3.2 Primary Task Measures.................................................................................55
2.3.3 Secondary Task .............................................................................56
2.3.4 Subjective Workload Assessment Techniques...........................................60
2.3.5 Physiological Measures63
2.4 Mental Workload Assessment During Driving................................................65
2.4.1 Advantages of the Secondary Loading Task Paradigm...........................65
2.4.2 The Investigation of Cell Phone Use During Driving...............................66
2.4.3 The Development of Workload Managers.................................................74 Table of Contents IV
2.5 The EEG Measurement Technique......................................................................77
2.5.1 Origins of the EEG Signal.............................................................................77
2.5.2 EEG Measures.................................................................................................80
2.5.3 The Alpha Band as a Measure of Mental Workload.................................87
2.5.4 ERP Indices of Mental Workload.................................................................98
2.5.5 EEG Artifacts.................................................................................................110
2.6 ECG Indices of Mental Workload.....................................................................120
2.6.1 Heart Rate......................................................................................................121
2.6.2 Heart Rate Variability..................................................................................122
2.7 Summary of the Theoretical Background........................................................125
3. Experiment 1....................................................................................................................127
3.1 Aim and Hypotheses...........................................................................................127
3.2 Methods................................................................................................................130
3.2.1 Subjects..........................................................................................................130
3.2.2 Experimental Setup......................................................................................130
3.2.3 Physiological Data Acquisition..................................................................131
3.2.4 Task Description and Stimulus Material..................................................132
3.2.5 Experimental Procedure..............................................................................135
3.2.6 design....................................................................................136
3.2.7 Data Analysis................................................................................................138
3.3 Results...................................................................................................................144
3.3.1 Lane Change Test.........................................................................................144
3.3.2 Recall of Story Content and Detection Performance...............................145
3.3.3 EEG Alpha Power........................................................................................148
3.3.4 ECG Indices of Mental Workload..............................................................153
3.4 Discussion.............................................................................................................156
3.4.1 Implications Based on the Laboratory Results.........................................156
3.4.2 Conclusions for the Real‐Traffic Driving Experiment............................162 Table of Contents V
4. Experiment 2....................................................................................................................164
4.1 Aim and Hypotheses...........................................................................................164
4.2 Methods................................................................................................................166
4.2.1 Subjects..........................................................................................................166
4.2.2 Experimental Setup......................................................................................166
4.2.3 Physiological Data Acquisition..................................................................168
4.2.4 Task Description and Stimulus Material..................................................169
4.2.5 Experimental Procedure..............................................................................170
4.2.6 Design...................................................................................173
4.2.7 Data Analysis................................................................................................175
4.3 Results...................................................................................................................178
4.3.1 Behavioral Data............................................................................................178
4.3.2 EEG Alpha Power........................................................................................183
4.3.3 State Dependent Changes in Event‐Related Potentials......................