By deactivating parts of the brain, and testing the cognitive deficits, it is possible to gain incredible insights into the functions of particular brain areas. 'Virtual lesions' provides a state of the art guide to the full range of reversible deactivation techniques available. With each chapter written by experts in their respective fields, and providing evidence of the practical applications of their methods, along with potential pitfalls, the book will serve as a valuable and practical guide for future experimentation within cognitive neuroscience.