It's great you're exploring the gut-brain connection in autism! Recent research highlights how important it is. Studies show that imbalances in gut bacteria can actually influence brain function and behavior in autistic individuals, and can cause GI issues.

A recent study from USC/UCLA found that gut metabolites impact brain regions linked to emotions and behavior. This is important because GI issues can worsen stress, irritability, and sleep.

Some practical tips include increasing dietary diversity with fiber-rich foods and prebiotics, and, after consulting with a doctor, considering probiotics. It's also key to monitor and treat any GI symptoms promptly. For more info, the Autism Research Institute has a webinar on the gut-brain connection and stress.