Table 3.

Data for behavioral and performance variables on the stimulus–response compatibility task.

		GTS group				Control group
		(n=15)				(n=20)
Conditions	Hands of response	RT	(SE)	Commission error (%)	Intra-subject (S.D.)	RT	(SE)	Commission error (%)	Intra-subject (S.D.)
Incompatible	Left	605	(23)	4	128	669	(20)	8	154
	Right	622	(27)	4	133	693	(23)	9	163
Compatible	Left	604	(26)	2	143	656	(23)	5	163
	Right	598	(25)	3	128	633	(22)	4	146
Inhibition	No response	–	–	0.7	–	–	–	0.6	–

Note: GTS = Gilles de la Tourette Syndrome; RT = median reaction times; SE = standard error of the mean; S.D. = intra-subject standard deviation.