Fact Sheets

Diagnosing Autism
Autism is a neurodevelopmental disorder that interferes with the ability to learn, communicate, and interact. Learn about symptoms and treatment.
Child Development
Child development is a series of skills and stages that occur in a child between birth and adulthood.
Developmental Delay
Developmental delay occurs when a child’s progression through predictable developmental phases slows, stops, or reverses. Learn about symptoms and treatment.
Autism: The Transition to Adulthood
Autism is a developmental disorder that impairs interaction and communication. Learn about symptoms and treatment.
Hostile, Disobedient and Defiant Behavior in Children
A child whose angry outbursts and aggressive behavior makes life difficult may have oppositional defiant disorder (ODD); it affects 16 percent of teens.
Pivotal Response Treatment
For children with autism, anger and other challenges, pivotal response treatment (PRT) builds on principles of earlier behavior modification methods.
Attention Deficit Hyperactivity Disorder (ADHD)
ADHD is a condition marked by problems with attention, hyperactivity, and impulsiveness. Learn about symptoms and treatment.
Anger, Irritability and Aggression in Kids
Angry feelings often bubble into outbursts for children and teens. Parents may wonder whether their child's behavior is normal; Yale Medicine can help.
Psychological Assessment of Children
Psychological assessments of children examine learning, social, behavioral and personality development to plan for =mental health and educational needs.
Pediatric Movement Disorders
Pediatric movement disorders are neurological conditions that affect the speed, fluency, quality and ease with which a child moves.