Preface -- Early Functional and Structural Development of the Nonhuman Auditory System -- Early Development of the Human Auditory System and Its Relationship to Nonhuman Auditory Development -- Absolute Sensitivity -- Factors Related to Thresholds in Noise: Intensity, Frequency, and Temporal Resolution -- Other Response Properties: Development of Complex Sound Perception and Binaural Hearing -- Effects of Experience -- Epilogue -- Acoustics -- Basic Anatomy and Physiology of the Auditory System