Table 2.

Stop-signal task performance.

	Males (n=285)		Females (n=346)
	Mean	SD	Mean	SD
Go trial directional errors (%)	0.39	0.58	0.32	0.81
Go trial no response (%)	1.03	1.52	1.02	2.06
Probability of inhibition (%)	52.95	5.43	53.53	5.26
No-stop signal RT (ms)	588.94	108.19	595.71	104.89
Signal-respond RT (ms)	490.57	88.18	491.68	87.34
SSRT (ms)	210.13	39.51	213.00	41.12
Post-Go speeding (ms)	11.62	20.90	17.63	21.91
Post-inhibit slowing (ms)	−2.82	44.73	0.51	44.22
Post-error slowing (ms)	49.89	47.00	63.70	52.81