The central nervous system of the human body is made up of the brain and the spinal cord. The brain is responsible for receiving and processing the information from the sense organs, taking decisions accordingly and sending directions to the rest of the body. There are various areas of the brain, each with a specialized function. The augmentation of brain functions involves enhancing the performance of the brain in healthy adults as well as people suffering from neurological disorders. Sensory, cognitive and motor functions are the three main areas which are targeted by this field. This augmentation can be done either through neurostimulation or through pharmacological means. This book includes some of the vital pieces of work being conducted across the world, on various topics related to brain functions. It presents researches and studies performed by experts across the globe. Scientists and students actively engaged in this field will find this book full of crucial and unexplored concepts.