Relationship between head impact exposure and change in connectivity and cognitive measures
| Change in ImPACT Composite (Post minus Pre) (n = 58) | Head Impact Exposure Metric (RWEcp)a | |
|---|---|---|
| Spearman Rho | P Value | |
| Verbal Memory composite | –0.15 | .26 |
| Visual Memory composite | 0.02 | .9 |
| Visual Motor composite | 0.01 | .95 |
| Reaction Time compositea | 0.29b | .03b |
| Total Symptom Scorea | 0.36 b | .006b |
| Change in connectivity measure (Post minus Pre) (n = 51) | ||
| IHC of dACC | –0.08 | .57 |
| Within-SN connectivity | 0.04 | .77 |
Note:—Post indicates postseason; Pre, preseason.
↵a These variables are non-normally distributed.
b Statistically significant.