Extensive information regarding the diseases as well as disorders of human brain has been compiled in this book. It contains contributions by veterans elucidating different neuroscience topics including compulsive disorders, mental illness, brain cancer, syndromes and progresses in imaging methods and therapies. The information presented in this diverse book provides the readers with an analysis of diseases and their underlying causes. It also discusses the developments in the treatment of these diseases. The book consists of information regarding neurodegenerative diseases, which can be described as diseases of great socio-economic significance because of the number of individuals presently suffering from these types of diseases and also because of the estimation of an enormous increase in the number of people getting afflicted in the coming future. The book also elucidates the cellular and molecular aspects of brain cancer, a disease which is still considered one of the least treatable of cancers.