Table 4. Behavioral performance on the N-Back task performed in the scanner (mean, S.D.).

Behavior
	Time1	Time2
Response Time	0back	0back	1back	2back
Healthy Controls	583.58 (104.16)	618.23 (107.38)	630.84 (106.80)	699.24 (145.87)
mTBIrec	653.61 (74.01)	661.87 (73.96)	654.35 (74.17)	712.75 (79.89)
mTBInonrec	624.94 (103.84)	654.88 (159.99)	660.34 (143.61)	707.70 (235.64)
Accuracy (d’)
Healthy Controls	3.77 (0.26)	3.52 (0.45)	3.68 (0.35)	2.92 (0.85)
mTBIrec	3.61 (0.51)	3.27 (0.73)	3.78 (0.21)	2.88 (0.68)
mTBInonrec	3.47 (0.68)	3.74 (0.25)	3.49 (0.52)	2.60 (0.82)