One man trains a special breed of dog just for children with autism.
Mark Mathis started training Briards when his son was diagnosed with autism nearly a decade ago. Since then, he's placed 66 dogs with families and it's changed their life.
"With my own son, seeing him come out of his shell, seeing him talk more, interact more, literally being in a better mood -- it was an overnight quality of life change," Mathis said.
He says he picked Briards because they are a herding dog. That herding tendency can help curb autistic children who like to roam or run -- sometimes the children can even put themselves in a dangerous situations such as running into the street.
Watch what Mathis' Briards can do in this training video:
Mathis said he also chose Briards because they are fiercely loyal and can really feel and show emotion -- things a child with autism can have a hard time understanding.
Autism can affect a person's ability to communicate and interact. But when children with autism interact with their Briard, the dog loves and plays with them and there's no communication problem.
Mathis runs a non profit, Ry-Con Service Dogs. He works with the families so any child with autism who is a fit to have a service dog can get one.
For more information, check out Mathis' website or his Facebook page.