Children with congenital heart disease have an increased likelihood of autism. Why?

The finding calls into question differences between autistic and non-autistic people on a decades-old theory-of-mind test involving interacting geometric shapes.

Intentional interactions with autistic people led Sasson to refocus his research.

This month, a commonly used emotion-recognition test doesn’t perform as expected — nor does a survey of past efforts to train autism specialists or a hunt for the sources of the sleep problems that often accompany the condition.

The X chromosome holds stronger-than-expected genetic sway over the structure of several brain regions. The genes that may underlie this oversized influence have ties to autism.

Octopuses can solve some of the same problems as people but do so in unusual ways.

The double empathy theory challenges the idea that social difficulties are specific to autism and suggests that problems arise from a mismatch in perspective between autistic and non-autistic people.

A subset of brain cells signal when someone tries to infer another person’s thoughts, according to a new study.

Autistic people’s ability to understand another person’s thinking does not diminish with age, as it does for non-autistic people.

Simon Baron-Cohen’s new book is essentially a 272-page argument for his hypothesis that all human innovation stems from the ability to discern and manipulate causal patterns.