Table 2.

Performance in the stop signal task.

	SSRT (ms)	Median go RT (ms)	%go	%stop	PSS (effect size)
CD (n = 75)	230 ± 50	594 ± 99	95.9 ± 1.4	52.4 ± 3.5	1.37 ± 2.10
HC (n = 88)	222 ± 45	624 ± 104	96.6 ± 1.9	52.8 ± 3.3	2.07 ± 1.98
p-Valuea	0.31	0.06	0.01	0.40	0.03

Note: All values are mean ± standard deviation; CD: individuals with cocaine dependence; HC: healthy controls; SSRT: stop signal reaction time; RT: reaction time; %go: percentage of go response trials; PSS: post-signal slowing.

^ap-Value based on 2-tailed 2-sample t-test.