1 In Search of Human Nature: Reason and Rationality. - Reason As Rationality. - In Search of an Empirical Science of Human Behaviour. - Summary and Conclusions. - 2 Biology and the Social Sciences: The Issue of Morality. - Darwins Impact. - Biology and the Social Sciences; The Search for Morality. - Summary and Conclusions. - 3 Biology and the Social Sciences: Epistemological and Ontological Issues. - The Problem of Causation. - Human Nature and the Problem of Pre-knowledge'. - The Problem of Classification: Significance and Unity. - In Search of Human Nature. - Summary and Conclusions. - 4 Human Nature: Emotional-Cognitive Processes. - Emotionality and Cognition: Meaning and Significance. - The Biology of Emotional-Cognitive Processing. - Summary and Conclusions. - 5 The Psychology of Human Emotional-Cognitive Processing. - Species Typical Emotional-Cognitive Motivators. - The Evolution of Human Desires. - The Evolution of Human Fears. - Summary and Conclusions. - 6 Advanced Cognition. - Evaluating. - Delineating. - Deception and Self-deception. - Summary and Conclusions. - 7 Human Nature and Social Propensities. - Human Nature and the Processes of Political Society. - The Search for Vengeance and the Social Order. - Controlling Self and Others. - Summary and Conclusions. - 8 In Search of Political Society. - Social Boundaries. - Hierarchy Politics and Spirituality. - In Search of Natural Kinds of Behaviour. - Conclusions: A Science of Behaviour. - Notes. - References. Language: English