Compared with their unaffected siblings and unrelated controls, children with autism harbor more copy number variants in genes that govern the circadian cycle or are associated with insomnia.

A new analysis package enables researchers to distill multiple measures of Angelman syndrome mice into a single ‘severity score.’

A standard questionnaire can help identify social (pragmatic) communication disorder more readily in school-age children.

After a brain transplant of reprogrammed human cells, the animals can for the first time recapitulate some neuronal changes seen in people with fragile X syndrome.

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

Autism’s “fearless” researcher takes on the big questions.

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.

Interventions that moderate a need for ‘sameness’ may prevent anxiety traits.

Shifts in diagnostic criteria have only added to the condition’s bedeviling heterogeneity, an analysis of smiling, sitting, walking and other early milestones in more than 17,000 autistic children reveals.

This month, we pore over null results from a study of the accuracy of emotion recognition skills in autistic people, clinical trials of a vasopressin drug called balovaptan, and an analysis of ‘systemizing’ abilities in autistic children.