Table 1.
Demographics for all experiments.
| Experiment | Group | Age (SD) | # (# F) | # TBI | Range # | Time (SD) | Range time |
|---|---|---|---|---|---|---|---|
| Experiment 1A | hmTBI | 20.9 (3.2) | 25 (16) | 1.9 (1.5) | 1–7 | 3.9 y (6) | 6 mo–25 y |
| Control | 22.2 (2.9) | 25 (17) | |||||
| Experiment 1B | hmTBI | 20.5 (2.53) | 30 (22) | 2.7 (2.1) | 1–9 | 3.4 y (3.2) | 7 mo–sss11.6 y |
| Control | 20.9 (2.33) | 33 (23) | |||||
| Experiment 2 | hmTBI | 22.2 (3.3) | 25 (11) | 3.6 (2.6) | 1–12 | 4.3 y (3.7) | 5 m–12.2 y |
| SR-mTBI | 20.3 (2.0) | 21 (15) | 2.2 (1.5) | 1–6 | 17 days (19.3) | 3–80 days | |
| Control | 25.1 (4.8) | 25 (15) | |||||
| Experiment 3 | hmTBI | 22.3 (3.4) | 23 (10) | 3.6 (2.7) | 1–12 | 4.2 y (3.6) | 5 mo–12.2 y |
| Control | 24 (5.5) | 23 (11) |
Separate cohorts were tested in each experiment. The mean number of mTBIs and the Time (in years) since the most recent mTBI, averaged across participants.
# number of mTBIs, F female, hmTBI history of mTBI group, mo months, Range # range of number of mTBIs, Range Time range of time since last mTBI, recent SR-mTBI recent sport related mTBI, SD standard deviation in years, y years.