| 
      
        | Group | No | No females/males | Age | Years since injury/stroke | Education, years |  
        | Mild TBI | 106 | 67/39 | 46.4 ± 10.6 | 7.2  ± 6.4 | 14.2 ± 2.8 |  
        | TBI | 21 | 11/10 | 41.8 ± 12.9 | 11.1 ± 8.7 | 14.0 ± 2.7 |  
        | Stroke | 34 | 17/17 | 49.6 ± 9.5 | 7.8  ± 6.1 | 14.2 ± 2.5 |  
        | Total brain    injured | 161 | 95/66 | 46.5 ± 10.8 | 7.8  ± 6.7 | 14.1 ± 2.7 |  
        | Healthy controls | 121 | 63/58 | 42.4 ± 16.6 |  | 16.4 ± 2.3 |  |