AAL-Merged Atlas

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AAL-Merged Atlas

The following 71 brain structures are covered the AAL-Merged atlas. For paired structures the first and second numbers refer to the left and right part, respectively.

Temporal Lobe

65; 66
29; 30
27; 28
39; 40
61; 62

Temporal, superior, mid, inferior, poles (T1, T1A, T2, T2A, T3)
Amygdala (AMYG)
Hippocampus and parahippocampus (HIP, PHIP
Fusiform gyrus (FUSI)
Heschl gyrus (HES)

Posterior Fossa

67
68; 69
70; 71
 
 
 
 

Vermis
Cerebellum crus
Cerebellum
Cerebellar white matter (added by PNEURO)
Medulla (added by PNEURO)
Midbrain (added by PNEURO)
Pons (added by PNEURO)

Insula and Cingulate Gyri

19; 20
21; 22
23; 24
25; 26

Insula (IN)
Cingulate gyrus, anterior part (ACIN)
Cingulate gyrus, mid part (MCIN)
Cingulate gyurs, posterior part (PCIN)

Frontal Lobe

1; 2
3; 4
5; 6
7; 8
11; 12
13; 14
15; 16
17; 8
51; 52

Precentral gyrus (PRE)
Rolandic operculum (RO)
Supplementary motor area (SMA)
Olfactory cortex (OC)
Superior frontal gyrus (F1, F1O, F1M)
Middle frontal gyrus (F2, F2O, FMO)
Inferior frontal gyrus (F3OP, F3T, F3O)
Gyrus rectus (GR)
Paracentral lobule (PCL)

Occipital Lobe

31; 32
33; 34
35; 36
37; 38

Calcarine fissure and surrounding cortex (V1)
Cuneus (Q)
Lingual gyrus (LING)
Lateral remainder of occipital lobe (O1, O2, O3)

Parietal Lobe

41; 42
45; 46
47; 48
49; 50
63; 64

Postcentral gyrus (POST)
Supramarginal gyrus (SMG)
Angular gyrus (AG)
Precuneus (PQ)
Parietal, superior and inferior (P1, P2)

Central Structures

53; 54
55; 56
57; 58
59; 60

Caudate nucleus (CAU)
Putamen (PUT)
Pallidum (PAL)
Thalamus (THAL)

In comparison to the the original AAL atlas the following subregions were pooled:

▪Vermis: Vermis_1_2, Vermis_3, Vermis_4_5, Vermis_6, Vermis_7, Vermis_8, Vermis_9, Vermis_10.

▪Cerebellum crus: Cerebellum_Crus1, Cerebellum_Crus2.

▪Cerebellum: Cerebellum_3, Cerebellum_4_5, Cerebellum_6, Cerebellum_7b, Cerebellum_8, Cerebellum_9, Cerebellum_10.

▪Frontal Mid: Frontal_Mid, Frontal_Mid_Orb, Frontal_Med_Orb.

▪Frontal Sup: Frontal_Sup, Frontal_Sup_Orb, Frontal_Sup_Medial.

▪Frontal Inf: Frontal_Inf_Oper, Frontal_Inf_Tri, Frontal_Inf_Orb.

▪Hippocampus and parahippocampus.

▪Occipital: Occipital_Sup, Occipital_Mid, Occipital_Inf.

▪Parietal: Parietal_Sup, Parietal_Inf.

▪Temporal: Temporal_Sup, Temporal_Pole_Sup, Temporal_Mid, Temporal_Pole_Mid, Temporal_Inf.