Diagnosis

Individuals with mutations in an autism gene called TRIO may have a range of conditions, including intellectual disability and anomalous head size.

A short, widely used screening survey for autism called the AQ-10 may not be reliable for measuring traits of the condition in the general population.

Autism prevalence in the United States continues to rise, according to a new study of 8-year-old children in 11 states. Boys are 4.3 times as likely as girls are to have autism, a ratio that is consistent with previous estimates.

Autistic infants as young as 6 months display subtle signs of the condition, according to a study of visual attention.

Girls with autism are diagnosed 1.5 years later, on average, than boys with the condition, perhaps because they tend to have stronger verbal skills.

A new jumpsuit is fitted with sensors that can track and classify an infant’s posture and movements.

New data challenge the idea that parents of autistic children refrain from having more children.

A new study has found that 0.2 percent of children in Oman are on the autism spectrum — an estimate about 15 times higher than the previous one.