| Eye response | No response Opens to pain Opens to verbal commands Opens spontaneously |
| Best motor response | No response Abnormal extension Abnormal flexion Withdraws from pain Reacts to localized pain Reacts to verbal commands |
| Best verbal response | No response Makes incomprehensible sounds Uses inappropriate words Disoriented but converses Alert and oriented |
Score can range from 3 (lowest neurological function) to 15 (highest function).
Score 14-15: Mild dysfunction
Score 11-13: Moderate to severe dysfunction
Score <= 10: Severe dysfunction