Table 2.

Clusters showing group differences in key fMRI contrasts

Voxels	Region	Max-Z	Cohen’s d	x	y	z
2-back>0-back TD>PS
9208	dACC/paracingulate/SMA	6.36	0.60	−4	10	54
	Frontal Pole L	5.87	0.55	−34	48	14
	Ant. Insula L	4.34	0.41	−28	28	−2
	Ant. Insula R	4.24	0.40	34	26	−2
	Middle Frontal Gyr L	4.69	0.44	−46	18	34
	Sup Frontal Gyr L	6.30	0.59	−28	−6	62
	Sup Frontal Gyr R	4.55	0.43	28	−2	52
	Thalamus/Caudate/Pallidum B	5.11	0.48	−10	−18	14
	Midbrain R	4.21	0.40	8	−14	−10
4596	Superior Lateral Occipital R	6.33	0.60	10	−70	62
	Superior Lateral Occipital L	4.86	0.46	−20	−74	60
	Precuneus	5.20	0.49	4	−68	52
	Superior Parietal Lobule L	4.43	0.42	−26	−56	44
	Superior Parietal Lobule R	4.51	0.43	28	−56	44
2361	Cerebellum L	5.32	0.50	−8	−72	−26
	Cerebellum R	4.80	0.45	32	−62	−30
1304	Frontal Pole R	5.29	0.50	34	42	22
	Middle Frontal Gyr R	4.00	0.38	40	28	38
209	Pons	4.44	0.42	2	−38	−40
160	Occipital Pole R	3.73	0.35	24	−84	−10
116	Cerebellum L	4.08	0.38	−28	−40	−40
86	Occipital Pole L	4.02	0.38	−24	−92	−2
2-back>0-back PS>TD
129	Superior Frontal Gyr	4.77	0.45	−12	36	58
Threat PS>TD
470	Superior Frontal Gyr R	4.27	0.40	26	20	64
195	Amygdala R	4.44	0.42	28	−4	−18
146	Superior Frontal Gyr L	4.40	0.41	−26	22	48
58	Fusiform Cortex L	3.43	0.32	−44	−70	−8
54	Middle Frontal Gyr L	3.77	0.35	−34	6	62
50	Amygdala L	3.70	0.35	−24	−4	−18
Threat TD>PS
619	Supramarginal Gyr R	5.31	0.50	64	−28	28
198	Supramarginal Gyr L	4.00	0.37	−64	−18	28
55	Insula L	4.03	0.38	−40	4	2

Statistical threshold Z>3.09, cluster extent p<.05 (>41 vox).

Peak-Z x, y, z coordinates are in MNI space.

Peak Cohen’s d effect size estimated from peak Z value using formula d=2Z/N^0.5

dACC=dorsal anterior cingulate; SMA = supplementary motor area