No one knows exactly what lies at the root of autism — but that hasn’t stopped scientists from speculating. Like the condition itself, the theories of autism are diverse. Some theories attempt to explain its traits at the level of genes; others look at alterations in brain activity. Still others focus on the psychology of […]

It’s been five years since the autism community agonized over the debut of a new iteration of a diagnostic manual that set out to rewrite the definition of autism.

Problems with verbal and nonverbal communication — such as prosody, grammar, facial expressions and eye contact — contribute to the social difficulties individuals on the spectrum experience.