ABA - Applied Behavior Analysis (an Evidence Based Practice used to work with individuals with ASD)

ASD - Autism Spectrum Disorder

Asperger Syndrome - One form of Autism Spectrum Disorder

Aspie - How some individuals with Asperger Syndrom refer to themselves.

BCBA - Board Certified Behavior Analyst

BCaBA - Board Certified Assistant Behavior Analyst

DD - Developmental Disability (autism is considered a Developmental Disability)

Dual Diagnosis - The diagnosis of an Developmental Disability and a Mental Illiness

IEP - Individualized Education Plan

PECS - Picture Exchange Communication System

PDD - Pervasive Developmental Disorder

PDD-NOS - Pervasive Developmental Disorder - Not Otherwise Specified

The Spectrum - Often referred to as Autism Spectrum Disorder