Jun 22, · Shaken baby syndrome is a form of child abuse. When a baby is shaken hard by the shoulders, arms, or legs, it can cause learning disabilities, behavior disorders, vision problems or Author: Danny Bonvissuto. Shaken Baby Syndrome What is traumatic brain injury? Traumatic brain injury (TBI) happens when a sudden, external, physical assault damages the brain. It is one of the most common causes of disability and death in adults.