Yes, traumatic brain injury qualified as a form of disability under US Social Security. However, the type of benefits you receive depends on the severity of your injury.
Social Security qualified a traumatic brain injury to be any brain damage caused by a closed head injury, skull fracture, or penetration into the brain tissue by an object.
To qualify for disability benefits, you must meet the following requirements:
Medical records show that you are unable to control the movement of at least two of your extremities for at least three consecutive months after you were injured. This must impair your ability to walk, stand from a seated position, or use your arms.
OR
Medical records show that you have a serious limitation or physical problem for at least three consecutive months after your injury doing any one of the following:
Thinking, remembering, understanding problems, or following instructions
Finishing tasks, concentration issues, or trouble with speed
Struggle to regulate emotions, control behavior, inability to adapt to changes or be aware of hazards
Socially inappropriate behavior when interacting with others