DAVIS (CBS) — Researchers at the University of California, Davis believe they’ve found a new possible treatment for autism.

Professor Randi Hagerman of the school’s MIND Institute is leading research into children with Fragile X Syndrome, a genetic condition that causes developmental problems, including autism. The condition is caused by a repeat of a gene on the X chromosome—the longer the repetition, the more severely it affects the person.

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“They just keep overreacting to stimuli,” she told CBS Sacramento. “They get anxious and nervous–and they start acting out.”

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To calm those children, new research centered around a popular anti-anxiety drug is showing promising results.

“Low dose sertraline—at a very low dose; between 2.5 and 5 milligrams a day—really helps overall development, visual perception, fine motor coordination,” she said.

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