This third edition provides coverage of all sensory processes from neurophysiology to cognitive perception. The book contains in-depth sections that examine a current research topic to provide a sense of how researchers ask questions. The detailed coverage of these important selected topics supplements the broad coverage throughout the text book with the intention of providing students with a solid overview of the discipline. New features of this third edition include coverage of vision and hearing reorganized around systems, functions and pattern perception, and numerous real-life examples to enhance understanding.