Reports recent landmark developments and the state of the art in NDS science in psychological theory and research.

1. Introduction to nonlinear dynamics and complexity Stephen J. Guastello and Larry S. Liebovitch; 2. Collective intelligence: observations and models William Sulis; 3. Neurodynamics and electro-cortical activity Tullio Minelli; 4. Psychophysics Robert A. M. Gregson; 5. Temporal patterns in perceptual behavior: implications for dynamics structure D. J. Aks; 6. Embodied and embedded: the dynamics of extracting perceptual visual invariants Patrice Renaud, Sylvain Chartier and Guillaume Albert; 7. Origins of order in cognitive activity Geoff Hollis, Heidi Kloos and Guy C. Van Orden; 8. Nonlinear dynamical systems in developmental psychology Paul van Geert; 9. Developmental psychopathology: maladaptive and adaptive attractors in children's close relationships Erika S. Lunkenheimer and Thomas J. Dishion; 10. Psychopathology: a nonlinear systems view Wolfgang Tschacher and Uli Junghan; 11. Coherence, complexity, and information flow: self-organizing processes in psychotherapy David Pincus; 12. The dynamics of human experience: fundamentals of dynamical social psychology Robin R. Vallacher and Andrej Nowak; 13. Group dynamics: adaptation, coordination, and the emergence of leaders Stephen J. Guastello; 14. Organizational psychology Kevin Dooley; 15. Complexity, evolution and organizational behavior Peter Allen; 16. Agent-based modeling and dynamic network analysis Terrill Frantz and Kathleen Carley; 17. Epilogue: psychology at the edge of chaos Matthjs Koopmans.