Written in a friendly and engaging manner, Pinel's Biopsychology introduces the fundamentals of modern biopsychology. The fourth edition has been thoroughly updated to keep abreast of the many recent developments in this rapidly changing field. *430 new references keep this text at the cutting edge of its field. *New or expanded coverage of dozens of topics, including: cognitive neuroscience, evolution, the human genome project, human brain scanning, genetic engineering, search for a Parkinson's gene, melatonin and sleep, functional brain imaging, and language. *More coverage of cognitive neuroscience: parallel processing, conscious awareness, and functional brain imaging. *New emphasis on the diathesis-stress model of psychological dysfunction (Ch. 17). *A new section on the pitfalls in thinking about human evolution (Ch. 2). *430 new references keep this text at the cutting edge of its field. *New or expanded coverage of dozens of topics, including: cognitive neuroscience, evolution, the human genome project, human brain scanning, genetic engineering, search for a Parkinson's gene, melatonin and sleep, functional brain imaging, and language. *More coverage of cognitive neuroscien