In the past, Brandon drank to excess and needed a liver transplant. His family says they believe that this trauma likely caused damage to his brain. Dr. Phil referred Brandon to Dr. Daniel Amen and the Amen Clinics to have a brain scan to see how his brain is functioning.
 
After the taping, Brandon visits the Amen Clinic in Chicago. Hear about his experience – and the findings – in the video above.
 
This episode, "'My Brother is Delusional and Believes in Conspiracy Theories,'" airs Thursday. Check local listings to see where you can tune in.

TELL DR. PHIL YOUR STORY: Ask Dr. Phil!

WATCH: The Bubble Over My Head: Shake It Up To Break It Up