Table 1.

Regions activated for successful inhibitions (STOPS) and failed inhibitions (ERRORS)

				Center of mass
Structure	Brodmann area	Hemisphere	Volume (μl)	x	y	z
Successful inhibitions (STOPS)
Frontal lobe
Middle frontal gyrus	9	R	667	44	−21	28
	6	R	259	35	1	50
Inferior frontal gyrus	9	R	539	51	−5	20
Superior frontal gyrus	6	R	2739	3	−5	52
Precentral gyrus	6	R	336	39	4	42
Cingulate gyrus	24	L	359	−6	−26	22
	24/32	R	123	12	−3	44
	6/32^*	R	663	9	−28	32
Parietal lobe
Inferior parietal lobule	7/40	R	132	33	56	40
	40	R	1018	49	38	42
Temporal lobe
Middle temporal gyrus	21	R	141	57	44	−2
Subcortical
Putamen		L	3587	−23	−2	6
-		R	3277	26	−9	4
Thalamus		R	448	7	14	5
Insula	47^**	R	149	47	−12	−4
Failed inhibitions (ERRORS)
Frontal lobe
Middle frontal gyrus	6	R	644	19	2	60
	6	R	125	24	−8	50
Medial frontal gyrus	6^**	R	386	5	−7	60
Superior frontal gyrus	6	L	108	−4	9	56
Precentral gyrus	6	R	150	42	−6	39
Inferior frontal gyrus	6^**	L	522	−45	2	31
Cingulate gyrus	24^**	R	289	4	14	31
Cingulate/medial frontal gyrus/superior frontal gyrus	6/8/32^*	R	3650	4	12	46
Parietal lobe
Inferior parietal lobule	40	R	280	51	−39	40
	40	R	186	43	−48	39
Temporal lobe
Middle temporal	39/40	R	108	47	−45	27
Gyrus	37	L	130	−50	−57	5
Subcortical
Putamen		R	3194	25	8	4
Thalamus		L	117	−11	−18	11
Insula	13^**	L	1080	−30	13	6

Positive center-of-mass coordinates for x, y, and z refer to locations right (x), posterior (y), and superior (z) to the anterior commissure. Brain regions in which between-group comparisons revealed significant differences in activation between cocaine users and controls are denoted: ^*p ≤ 0.05; ^**p ≤ 0.01. R, Right; L, left.