Page ContentBoys Town National Research Hospital has expanded communication research studies to include language learning and development for all children.The resources below offer more information about DLD, language studies and more.Developmental language disorder (DLD) is a condition where children have problems understanding and/or using spoken language. DLD is 50 times more prevalent than hearing impairment and five times more prevalent than autism. Children with DLD are considerably slower than other children to develop spoken vocabulary and grammar despite normal intelligence and ample opportunity. DLD is a life-long condition that impairs social and academic functions. EDUCATIONAL RESOURCES Myths About Developmental Disorders Myths About Developmental Language Disorders (DLD) Myths About Language Therapy Myths About Spoken Language What are the Differences Between DLD and ASD?