The purpose of this article is to provide a survey ofthe recent developments in the application ofnonlinear dynamical systems (NDS) theory totheoretical and practical problems encountered inthe domain of psychology. For the benet of non-psychologists, it is important to note that the scopeof psychology is expansive. Introductory textbooksare typically organized around the followingthemes: brain physiology and behavior, psycho-physics, sensation, perception, learning, memory,cognition, intelligence and mental measurement,development, social psychology, motivation andemotion, personality of normal range people,abnormal psychology, psychotherapy and counsel-ing, and industrial-organizational psychology.