This book is a systematic introduction to functioning of nerve cells that is designed for graduate students in neural science as well as scientists in other fields who want to learn about various aspects of neuronal functioning. With each chapter summarizing principles of important and active area of research, the volume is organized to emphasize the scope, the directions, and the excitement of modern cellular neurobiology. Advances covered here mark the beginning of an innovative period of research on the cell and on the molecular biology of individual neurons and interconnected groups of cells.