Attention-deficit/hyperactivity disorder (ADHD) is also known as a neurobiological disorder; that is, it is an illness of the nervous system caused by genetic, metabolic, or other biological factors. The symptoms that people with this and other neurobiological illnesses experience are not merely psychological; they are built into the basic wiring of the brain. Scientists do not know exactly what causes the brain's wiring to be different, although in most cases there is an inherited component, making it clear that genes are involved. "The Truth About ADHD and Other Neurobiological Disorders" provides a complete, informative guide to the symptoms, causes, treatments, and issues related to these disorders. Presented in a straightforward manner, this new A-to-Z resource is essential for readers in search of guidance and knowledge on these disorders. The entries include: ADHD (attention-deficit/hyperactivity disorder); Autism; Conduct disorder; Dyslexia; Hyperactivity; Medications for ADHD; Obsessive-compulsive disorder; Prevalence and epidemiology of ADHD; and Sensory integration dysfunction.