The prefrontal cortex, one of the most important areas of research in contemporary neuropsychology, appears to be linked with executive proc esses affecting many diverse areas of cognition, including working mem ory, information processing, behavioral organization, and attention. T his state-of-the-art account of our knowledge of the prefrontal cortex brings together contributions from some of the world's leading resear chers on the subject. The authors discuss the many recent theoretical and technical advances in the field--from advances in our understandin g of the neural architecture of...