For children and adolescents who have had a concussion resulting in prolonged symptoms (>3 months), the investigators will:

1. Measure post-concussion symptoms, cognitive and emotional function during the 3 years post-injury.
2. Determine length of recovery and frequency of return to prior level of sports participation.
3. Determine the incidence of and risk factors for subsequent concussion during the 3 years post-injury.

Inclusion Criteria:

1. Patients between the ages of 8-17 years old who present to one of the Lurie Sports Medicine clinics for care of a concussion.
2. English-speaking patients

Exclusion Criteria:

1. Patients outside of the 8-17 years old age range
2. Patients who show structural abnormalities on neuroimaging.
3. Non-English speaking patients

Children Ages 8-17 who present to one of the Lurie Sports Medicine clinics for care of a concussion.