Language Disorder

Overview Language disorder involves persistent difficulties in the acquisition and use of language across modalities, due to deficits in comprehension or production, resulting in functional limitations in communication. Signs and Symptoms Symptoms can include reduced vocabulary, limited sentence structure, and difficulty using language to explain or describe things, with onset in the early developmental period. …

Intellectual Disability

Overview Intellectual disability involves deficits in intellectual functioning, such as reasoning and problem-solving, along with deficits in adaptive functioning that limit independence in daily life, with onset during the developmental period. Signs and Symptoms Signs can include delays in reaching developmental milestones, difficulty with academic or practical skills, and challenges with independent daily living relative …

Autism Spectrum Disorder

Overview Autism spectrum disorder (ASD) is a neurodevelopmental condition characterized by differences in social communication and interaction, along with restricted, repetitive patterns of behavior, interests, or activities. It is described as a spectrum because presentation and support needs vary widely. Signs and Symptoms Signs can include differences in eye contact or nonverbal communication, difficulty with …

Attention-Deficit/Hyperactivity Disorder (ADHD)

Overview Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental condition that typically begins in childhood and can continue into adulthood. It involves patterns of inattention, hyperactivity, and impulsivity that are more frequent and severe than typically observed at a given developmental stage. Signs and Symptoms Symptoms can include difficulty sustaining attention, disorganization, forgetfulness, fidgeting, restlessness, difficulty waiting …