How autistic people look at a face may be linked more to alexithymia, a condition marked by difficulties recognizing one’s own emotions, than to autism.

After a study revised a popular measure for alexithymia, it was pulled for copyright infringement because the authors did not pay a $40 fee or obtain permission to use the measure.

The high levels of serotonin seen in the blood of some autistic people have confounded scientists for more than half a century. Despite so little progress, some researchers refuse to give up.

An animated mouse reenacts common behavioral experiments and can be used to train algorithms that automatically track lab animals’ movements.

Researchers have defined a change in score on a popular autism rating scale that signifies a meaningful improvement in core traits. The measure could help scientists assess the effectiveness of autism treatments in clinical trials.

Autistic boys and men are less attuned to social stimuli than autistic girls and women are, according to new unpublished work.

Children with highly folded and curved brains in utero tend to show autism-linked behaviors at 18 months of age, according to a longitudinal brain-imaging study.