Table 1.
Acute and Long-term Cognitive Sequelae of TBI by Levels of Severity.
| Mild TBI | Moderate-Severe TBI | |
|---|---|---|
| Acute | ||
| Loss of consciousness | 0–30 min | > 30 min |
| Posttraumatic Amnesia | 0–24 hrs | >24 hrs |
| Subacute and Long-term | ||
| Memory | - Resolves rapidly within 80–85% patients (7, 11–13) May persist in ~15% of patients (14) |
- Persists in ~65% of patients (9) - Can include deficits of awareness, reasoning, language, visuospatial processing, and general intelligence (15–17) |
| Attention | ||
| Processing Speed | ||
| Executive Functions | ||