Table 3:

Relationship between change in ImPACT scores and change in connectivity measures in football players n = 50

Change in ImPACT Composite (Post minus Pre)	Change in Connectivity Measure (Post minus Pre)
	IHC of dACC		Within-SN Connectivity
	Correlation	P Value	Correlation	P Value
Verbal Memory compositea	−0.04	.76	0.29c	.04c
Visual Memory compositea	0.07	.65	0.01	.95
Visual Motor compositea	0.02	.91	0.13	.38
Reaction Time compositeb	−0.06	.68	–0.09	.54
Total Symptom Scoreb	−0.3c	.03c	0.17	.24

Note:—Post indicates postseason; Pre, preseason.

^aPearson correlation coefficients.

^bSpearman correlation coefficients, because these variables were non-normally distributed.

^cStatistically significant.