Table 2.

Behavioral results^a

	Control group 1	TBI group 1
SST
Median RT (ms)	443 ± 106	483 ± 116
Go % accuracy	98.4 ± 1.5	95.5 ± 4.8*
Stop % accuracy	49.5 ± 2.2	49.6 ± 2.6
Negative feedback	13 ± 8	12 ± 9
IIV	0.181 ± 0.037	0.188 ± 0.054
SSRT (ms)	238 ± 32	268 ± 67*

	Control group 2	TBI group 2
Motor switch paradigm
Switch trial RT (ms)	745 ± 100	898 ± 100**
Go trial RT (ms)	619 ± 100	807 ± 100**
Switch cost (ms)	127 ± 100	97 ± 100
Switch trial % accuracy	92.3 ± 7.8	84.9 ± 14.4*
Go trial % accuracy	97 ± 2.9	90.8 ± 13.5*

^aBehavioral results for the SST and motor switch paradigm. Data are mean ± SD.

*p < 0.05,

**p < 0.005, significant differences between patients and controls.