1. Social Development
2. Behavioral Differences
3. Impaired Communications
4. Sensory Integration Difficulties
5. Incidence
6. Causation
7. Interventions

Incidence

Current data indicates that ASDs occur in 1 of every 88 people. (Centers for Disease Control and Prevention, USA, 2012) Diagnostic criteria have been more clearly defined and broadened in recent years, and this does account for some increase in diagnosis. The apparent rise of cases is one of the many controversies surrounding autism.