Conditions that typically emerge early in development and involve differences in cognitive, social, motor, or communication development.
A neurodevelopmental pattern of inattention and/or hyperactivity-impulsivity that is inconsistent with developmental level, present in multiple settings, with several symptoms evident before age twelve.
A neurodevelopmental condition marked by persistent differences in social communication/interaction across contexts, together with restricted, repetitive patterns of behavior, interests, or activities, present from early in development.