The<unk>  describes a range of conditions classified as neurodevelopmental disorders in the fifth revision of the American Psychiatric Association's Diagnostic and Statistical Manual of Mental Disorders 5th edition (DSM-5).  The DSM-5, published in 2013, redefined the<unk><unk>  to encompass the previous (DSM-IV-TR) diagnoses of<unk> , Asperger syndrome, pervasive developmental disorder not otherwise specified (PDD-NOS), childhood disintegrative disorder, and Rett syndrome. These disorders are characterized by social deficits and communication difficulties, stereotyped or repetitive behaviors and interests, and in some cases, cognitive delays.
Autism spectrum disorder
High-functioning autism
Tourette syndrome
Conduct disorder
Chronic tic disorder
Oppositional defiant disorder
Pervasive developmental disorder
Attention-deficit hyperactivity disorder