Traumatic Brain Injury (TBI) is among the most common reason that children visit the Emergency Department, with approximately 50,000 visits every year in Canada. Within the pediatric group, young children aged 0-4 years and adolescents aged 15-19 years are most likely to sustain a TBI.

The objective of A-CAP is to improve ability to diagnose pediatric concussion and make prognostic predictions about outcomes. A-CAP is a multi-site, prospective cohort study that is assessing a broad pool of neurobiological and psychosocial markers,