1 General Features of the Model -- 1.1 Models and Explanations -- 1.2 The Development of a Paradigm -- 1.3 Theory Making: Correlational and Experimental Psychology -- 2 The Psychophysiology of Extraversion and Neuroticism -- 2.1 Introduction -- 2.2 The Physiological Basis of Extraversion -- 2.3 Extraversion and Electrocortical Activity -- 2.4 Extraversion and Cortical Evoked Potentials -- 2.5 Extraversion and the Orienting Reaction -- 2.6 Extraversion and Pupillary Response -- 2.7 The Interaction of Extraversion and Neuroticism -- 2.8 Conclusions -- 3 A Survey of the Effects of Brain Lesions upon Personality -- 3.1 Introduction -- 3.2 The Brain-Damaged Personality -- 3.3 Laterality of Lesion and Personality -- 3.4 Frontal Lesions and Personality -- 3.5 Cingulate Gyrus Lesions -- 3.6 Amygdala Lesions and Violence -- 3.7 Hypothalamic Lesions, Aggression and Sex -- 3.8 Thalamic Lesions -- 3.9 Temporal Lobe Lesions and Personality -- 3.10 Brain-Stem Arousal Systems and Personality -- 3.11 Individual Differences in Response to Cortical Stimulants and Depressants -- 3.12 Personality Processes -- 3.13 Brain and Personality: A Synopsis -- 4 The Genetic and Environmental Architecture of Psychoticism, Extraversion and Neuroticism -- 4.1 Introduction -- 4.2 The Biometrical Approach -- 4.3 Empirical Studies -- 4.4 Conclusion -- 5 Personality and Conditioning -- 5.1 Introduction -- 5.2 Basic Issues: The Major Theories -- 5.3 Basic Issues: The Period of Aufklärung -- 5.4 Newer Perspectives: Determinants of Responding -- 5.5 New Perspectives: Recent Extensions -- 5.6 Conditioning and Personality -- 6 Learning, Memory and Personality -- 6.1 Introduction -- 6.2 Basic Theoretical Constructs -- 6.3 Effects of Anxiety on Learning and Memory -- 6.4 Effects of Introversion - Extraversion on Learning and Memory -- 7 Personality and Social Behaviour -- 7.1 Introduction -- 7.2 Affiliation and Personal Space -- 7.3 Birth Order -- 7.4 Group Interaction and Social Skills -- 7.5 Speech Patterns -- 7.6 Expressive Behaviour and Person Perception -- 7.7 Expressive Control -- 7.8 Field Dependence -- 7.9 Suggestibility -- 7.10 Conflict Handling -- 7.11 Attraction -- 7.12 Sexual Behaviour -- 7.13 Attitudes and Values -- 7.14 Recreational Interests -- 7.15 Occupational Choice and Aptitude -- 7.16 Industrial Performance -- 7.17 Academic Aptitude and Achievement -- 7.18 Mental Health -- 7.19 Psychotherapy -- 7.20 Drug Use and Abuse -- 7.21 Crime and Delinquency -- 7.22 Cross-National Differences -- 7.23 Conclusions -- 8 A Critique of Eysenck's Theory of Personality -- 8.1 Introduction -- 8.2 Personality Description -- 8.3 Biological Explanation -- 8.4 An Alternative Theory -- 8.5 Coda 1: Strength of the Nervous System -- 8.6 Coda 2: Psychoticism -- Epilogue.