Current and proposed impact and injury terminology
| Describing impacts to the head | ||
| Current | Proposed | Description |
| Concussive | Concussive | An impact that is associated with a diagnosed concussion |
| Subconcussive | Non-concussive | An impact that may be of greater or less force than a concussive impact but is not associated with a diagnosed concussion |
| Describing injuries to the brain | ||
| Current | Proposed | Description |
| Concussion | Concussion | TBI with signs and symptoms related to transient alterations in brain function due to a biomechanical force |
| Subconcussive | Subclinical TBI | TBI, characterised by changes in neurological function, biomarkers or imaging, that is not associated with concussion signs or symptoms |
| Subconcussive | No injury | No evidence of TBI based on changes in neurological function, biomarkers or imaging |
TBI, traumatic brain injury.