This document discusses specific learning disorder (SLD), also known as dyslexia. It defines SLD as a neurodevelopmental disorder that impairs academic skills like reading, writing, and math. SLD is lifelong but can vary in severity, and is more common in males. Signs often appear in childhood and include difficulty with reading, spelling, writing, and math skills. The document provides diagnostic criteria for SLD and discusses differentiating it from other disorders and conditions.