Table 2. Brain regions activated in each group in the contrast between 2-back vs. 0-back conditions (random effects analysis, threshold P < 0.001).

		Unequal bilinguals				Equal bilinguals
Area	BA	x	y	z	Peak t	x	y	z	Peak t
Activation
L middle frontal gyrus	9	−39	13	27	10.71	−46	21	30	11.88
R middle frontal gyrus	9	38	25	30	12.68	44	25	30	11.38
L ant. middle frontal gyrus	10	−31	54	12	8.07	−31	49	15	10.64
R ant. middle frontal gyrus	10	29	49	9	7.98	35	51	13	7.18
L insula	13	−31	19	8	10.78	−34	16	3	14.55
R insula	13	26	18	3	10.64	32	20	0	8.75
L superior temporal gyrus	21/22	−60	−20	0	8.93	−52	−23	−1	9.39
R superior temporal gyrus	21/22	59	−23	1	8.10	53	−23	0	8.43
L inferior parietal lobule	7/40	−35	−59	42	11.66	−34	−51	39	7.51
R inferior parietal lobule	7/40	38	−50	36	12.79	32	−60	39	11.58
Deactivation
<   bottom-border> Ant. medial frontal gyrus	10/32	8	37	3	−13.16	−4	32	−7	−8.50

L, left; R, right; ant., anterior.