Table 4.

Brain regions ranked according to their importance to the decision function for the model trained to predict NA scores from patterns of brain activation in response to threat stimuli directed away from the viewer.

Rank	Region label	Region weight (%)	Region size (voxel)
1	Occipital_Mid_R	36.75	1639
2	Temporal_Mid_R	15.41	3264
3	Caudate_R	9.38	953
4	Frontal_Inf_Orb_R	7.71	870
5	Frontal_Sup_Medial_R	7.60	1416
6	Insula_L	5.53	1866
7	Putamen_R	3.74	1062
8	Occipital_Inf_R	2.87	785
9	Cerebelum_Crus1_R	2.13	124
10	Rectus_L	1.99	101
11	Hippocampus_R	1.25	800
12	Parietal_Sup_L	1.12	1037
13	Olfactory_L	0.94	120
14	Temporal_Inf_R	0.75	1100
15	Vermis_1_2	0.50	47
16	Cerebelum_Crus2_L	0.35	3
17	ParaHippocampal_R	0.34	436
18	Frontal_Mid_Orb_L	0.28	333
19	Frontal_Mid_L	0.27	3236
20	Paracentral_Lobule_L	0.17	655
21	Calcarine_L	0.13	2062
22	Frontal_Inf_Oper_R	0.13	1200
23	Occipital_Mid_L	0.10	2850
24	Occipital_Sup_R	0.09	1079
25	Temporal_Pole_Mid_R	0.09	36
26	Parietal_Sup_R	0.08	736
27	Frontal_Inf_Tri_L	0.08	1969
28	Pallidum_L	0.07	270
29	SupraMarginal_R	0.04	1598
30	Frontal_Mid_Orb_L	0.04	406
31	Thalamus_R	0.02	1025
32	Supp_Motor_Area_R	0.02	1871
33	Cerebelum_4_5_R	0.02	562
34	Thalamus_L	0.01	1056
35	ParaHippocampal_L	0.00	370
36	Frontal_Mid_Orb_R	0.00	556
37	Cerebelum_6_L	0.00	1058