Clinical Research Directory

Inclusion Criteria: * Patient group with mild traumatic brain injury (mTBI) : 1. Children aged between 36 months (3 years) and 71 months and 31 days (5 years; before their 6th birthday) 2. Presentation to the emergency department within 48 hours post-injury 3. Documented, unintentional traumatic event (e.g. blow, fall, etc.) resulting in non-penetrating head injury 4. Diagnosis of mTBI (World Health Organization (WHO) paediatric diagnostic criteria) * Control group with orthopaedic injury: 1. Children aged between 36 months (3 years) and 71 months and 31 days (5 years; before their 6th birthday) 2. Presentation to the emergency department within 48 hours post-injury 3. Documented, unintentional traumatic event (e.g. blow, fall, etc.) resulting in trauma to an upper or lower limb 4. Diagnosis of simple fracture, sprain, contusion or unspecified trauma to a limb (mild). Exclusion Criteria: * Diagnosis of previous TBI (any severity, any age) * Intentional injury, * Administration of sedative drugs that can alter brain function * Complications following injury * MRI contraindication, * Parent non-fluent in French, * Prematurity, * Diagnosis of a severe neurological, developmental, or psychiatric disorder * Children in foster care at the time of recruitment