Fragile X syndrome (FXS) and autism spectrum disorder (ASD) sometimes occur together. While FXS is a known genetic cause of ASD, not everyone who receives an FXS diagnosis is autistic, and not all ...

Those who are familiar with the history of autism likely know that in the Diagnostic and Statistical Manual of Mental Disorders, Second Edition (DSM-II), what is now called autism spectrum disorder ...

Attention Deficit and Hyperactivity Disorder (ADHD) and Autism Spectrum Disorder (ASD) are distinct conditions listed in the American Psychiatric Association’s Diagnostic and Statistical Manual of ...

Experts say that a better understanding of the relationship between autism and anxiety can help improve quality of life for autistic people. Research suggests that autistic people may be more prone to ...

Obsessive-compulsive personality disorder (OCPD) and autism are two separate conditions that may share overlapping symptoms. Co-occurring conditions are common with both OCPD and autism. Autism ...

Attention deficit hyperactivity disorder (ADHD) and autism spectrum disorder (ASD) are neurodevelopmental conditions that affect how you think, learn, and behave. While ADHD and autism are separate ...