Take a look back at the most important developments in autism research in 2012, including notable papers, top techniques, major controversies and predictions for the future.
RAS pathway, a potentially unifying theory of autism
Diverse data networks point to driving force in diseases
Research clarifies serotonin's link to autism
Genetics: Autism linked to two mutations in same gene
Molecular mechanisms: Autism brains show 'angry' microglia
