The book "Neurological and Psychiatric Disorders" offers a comprehensive and systematic analysis of the scientific, preclinical, and clinical aspects of various significant mental disorders. It covers a wide range of neurological disorders, including Alzheimer's, Huntington's, and Parkinson's diseases, as well as psychiatric conditions such as schizophrenia, autism spectrum disorders, Tourette syndrome, obsessive-compulsive disorder, unipolar and bipolar depression, and attention deficit hyperactivity disorder. The authors provide a consistent discussion for each condition regarding incidence and prevalence, etiology, molecular targets and mechanisms of action, affected brain structures and pathways, animal models, symptoms, genetic aspects, treatment options, and relevant medical terminology. This specialized book is aimed at professionals and students in the fields of medicine and nursing who wish to gain a deeper understanding of these complex disorders.