Assessment & Diagnosis

On this page, you will find emerging and best practices for appropriate, accurate diagnosis and assessment to inform services and supports for individuals with I/DD, brain injuries, or other cognitive disabilities and a mental health condition. An accurate diagnosis is very important to receive appropriate services and treatment; however, it can be a complicated process for individuals with co-occurring conditions. For example, people can experience diagnostic overshadowing, which is the outdated idea that people with I/DD cannot also have mental health conditions.