http://www.cdc.gov/ncbddd/autism/actearly  ACT EARLY-Centers for Disease Control and Prevention
Early recognition of developmental disabilities such as autism is key for parents and providers. CDC realized the impact on families and invested in a campaign to help parents measure their children's progress by monitoring how they play, learn, speak and act.

http://www.firstsigns.org/  The First Signs Web site provides a wealth of vital resources, covering a range of issues: from healthy development, to concerns about a child; from the screening and referral process, to treatments for autism spectrum disorders.

http://www.med.yale.edu/chldstdy/autism/links.html  The Autism Program at Yale is an interdisciplinary group of clinicians and scholars dedicated to providing comprehensive clinical services to children with autism spectrum disorders and their families.

http://www.autism-society.org/  The Autism Society of America (ASA), the nation's leading grassroots autism organization, exists to improve the lives of all affected by autism. ASA is the leading source of trusted and reliable information about autism.

http://nichcy.org  NICHCY stands for the National Dissemination Center for Children with Disabilities. We serve the nation as a central source of information on disabilities in infants, toddlers, children, and youth; IDEA, which is the law authorizing special education; No Child Left Behind (as it relates to children with disabilities); and research-based information on effective educational practices.

http://www.cdc.gov/ncbddd/autism/  The website for the federal government's Centers for Disease Control Autism Information Center.

http://www.msnbc.msn.com/id/6844737/  A site by NBC News and MSNBC that looks at the issues surrounding autism.

http://www.autismspeaks.org/  The Autism Speaks website provides information on awareness, research, treatment, and advocacy.

http://www.exploringautism.org/  This website, Exploring Autism, is dedicated to helping families who are living with the challenges of autism stay informed about the exciting breakthroughs involving the genetics of autism.

http://www.autismsocietycanada.ca/index_e.html  Autism Society Canada (ASC) is a national incorporated non-profit charitable organization. It was founded in 1976 by a group of parents committed to advocacy, public education, information and referral, and support for its regional societies.

http://www.nichd.nih.gov/health/topics/asd.cfm  The National Institute of Child Health and Human Development, a part of the federal government's National Institute of Health, provides information on autism, autism research, and educational resources.

http://www.autism.org/contents.html  The Center for the Study of Autism provides information about autism to parents and professionals, and conducts research on the efficacy of various therapeutic interventions. Much of our research is in collaboration with the Autism Research Institute in San Diego, California.

http://www.iidc.indiana.edu/irca/ftrainpapers.html  This site, the Indiana Resource Center for Autism, offers written articles that provide thoughtful discussions and practical recommendations on a wide range of topics, including behavior, sensory programming, education, communication, and other issues.

http://www.ocali.org/aim/  The Ohio Center for Autism and Low Incidence (OCALI) serves families, educators, and professionals working with students with autism and low-incidence disabilities, including autism spectrum disorders, multiple disabilities, orthopedic impairments, other health impairments, and traumatic brain injuries.

http://www.autismsocietycanada.ca/index_e.html  This is the site for the Autism Society of Canada.

http://www.autismnotes.com/  Autism Notes.com provides Asperger's and autism information and offers online support for EVERYONE involved in the Autism Spectrum Disorder Community! That includes Parents, Siblings, Professionals, and Researchers.

http://www.protectingourhealth.org/  The website for the Collaborative on Health and the Environment (CHE). This site tracks emerging scientific evidence on links between diseases, disorders and disabilities and possible environmental causes.

Diagnosis and Screening