
Brain Injury Severity
A neuropsychological assessment provides information about a person cognitive, behavioural and emotional functioning. While many factors influence the severity of an acquired brain Injury, the severity of an injury can classified according to the duration that a person remains in Post Traumatic Amnesia (PTA). Neurodynamics, based in Melbourne, has further extended the traditional classification system to take into consideration recent changes for the criteria associated with concussion.
PTA Duration | Traditional Classification | Proposed Classification |
< 5 minutes | Very Mild | Very Mild |
5-60 minutes | Mild | Mild/ Concussion |
1-24 hours | Moderate | Mild / Concussion |
1-7 days | Severe | Moderate |
1-4 weeks | Very Severe | Severe |
> 4 weeks | Extremely Severe | Very Severe |
> 6 months | Chronic amnesia state |
End