Full of illustrations and graphs that bring concepts to life, the textbook covers vision, hearing, balance, touch, pain, smell and taste. It discusses each sensory system through its fundamental neuroscience, major perceptual qualities and underlying coding principles. Each chapter includes reflective questions, key terms and information boxes and chapter summaries. Each chapter ends with a tutorial section which introduces more advanced areas of study in an accessible way (including measurement of light and Fourier analysis) as well as topics outside of the mainstream of sensation (including music perception, colour deficiencies and phantom limbs). The fourth edition of this bestselling textbook includes an extensive update of the text to reflect the latest research, a greater focus on balance and the body senses and a major reorganisation of the chapters for ease of use. It will be an invaluable resource for a wide range of undergraduate students in psychology, neuroscience and related disciplines.