Time-tested features from previous editions -- including "Demonstrations" illustrating principles in action, "Methods" sections and "Developmental Dimension" segments -- have been updated and carried over into the 11th edition.The Exploration feature in MindTap -- the digital learning experience available with the text -- enables students to view experimental stimuli, perceptual demonstrations and short film clips about the research discussed in the text. These features have been thoroughly updated, and new items have been added to the labs carried over from the previous edition. Most of the items have been generously provided by researchers in vision, hearing and perceptual development.Reflecting the latest developments from the field, the 11th edition has been updated throughout with discussions of cutting-edge research. Especially noteworthy are a revised and more "student friendly" Chapter 1: Introduction to Perception and an expanded treatment of basic auditory mechanisms and musi