11624 IUPAC Gold Book - autism 10.1351/goldbook.11624 11624 current 1 Neurodevelopmental disorder, present from early childhood, characterized by great difficulty in communicating and forming relationships with other people and in using abstract concepts. It is now considered part of a range of conditions (autism spectrum disorders) that includes Asperger syndrome, Rett syndrome, and childhood disintegrative disorder. PAC, 2015, 87, 841. 'IUPAC Glossary of terms used in neurotoxicology (IUPAC Recommendations 2015)' on page 850 (https://doi.org/10.1515/pac-2015-0103) https://goldbook.iupac.org/terms/view/11624/html https://goldbook.iupac.org/terms/view/11624/json https://goldbook.iupac.org/terms/view/11624/plain Citation: 'autism' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.11624 The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using. 2026-08-09T17:36:12+00:00