| Asperger's Disorder: DSM IV diagnostic criteria for this condition. |
| Assessment References: Bibliography of professional resources. |
| Autism Checklist: Evaluating and diagnosing Autism/PDD, suggested medical tests. |
| Autism, Asperger's Syndrome and Semantic-Pragmatic Disorder: Paper on defining the boundaries. |
| Autistic Disorder: European Description: The ICD-10 Classification of Mental and Behavioural Disorders. World Health Organization, Geneva, 1992. |
| CARD Factsheets: Definition of autism, diagnosis and evaluation. [English, Spanish] |
| Development of Tools for Earlier Diagnosis of Autism: Article from the APA Monitor. |
| Developmental Delay vs. Developmental Disorder in Young Children: Understanding the Difference: Article on differentiating between the two conditions. Includes modified checklist for Autism in toddlers. |
| Diagnosis of Autism in Children With Down Syndrome by Glen Vatter: Detailed comparison of the symptoms of the two conditions, and a discussion of issues in diagnosis. |
| Diagnostic Instruments: Descriptions, with references, of the diagnostic instruments used at the University of Michigan Autism and Communications Disorders Center. |
| Pervasive Developmental Disorders: NICHCY briefing paper, discussing how Pervasive Developmental Disorder Not Otherwise Specified (PDD-NOS) fits into the category of Pervasive Developmental Disorders. |
| Practice Parameter: Screening and diagnosis of autism: Detailed discussion for physicians of the steps in autism diagnosis, with suggested medical tests and other assessments. From the American Academy of Neurology and the Child Neurology Society. [PDF file] |
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