====== Atlas_index-anatomical_label mapping =====
1 Left Hippocampus
2 External Capsule
3 Left Caudate Putamen
4 Left Ant Commissure
5 Left Globus Pallidus
6 Left Internal Capsule
7 Left Thalamus
8 Left Cerebellum
9 Left Superior Colliculi
10 Ventricles
11 Left Hypothalamus
12 Left Inferior Colliculi
13 Left Central Gray
14 Left Neocortex
15 Left Amygdala
16 Left Olfactory bulb
17 Brain Stem
18 Left Rest of Midbrain
19 Left Basal Forebrain Septum
20 Left Fimbria
21 Right Hippocampus
22 None (Right External Capsule label merged into label 2, covering the entire Corpus Callosum region)
23 Right Caudate Putamen
24 Right Ant Commissure
25 Right Globus Pallidus
26 Right Internal Capsule
27 Right Thalamus
28 Right Cerebellum
29 Right Superior Colliculi
30 None (Right Ventricles label merged with label 10)
31 Right Hypothalamus
32 Right Inferior Colliculi
33 Right Central Gray
34 Right Neocortex
35 Right Amygdala
36 Right Olfactory bulb
37 None (Right Brain Stem label merged with label 17)
38 Right Rest of Midbrain
39 Right Basal Forebrain Septum
40 Right Fimbria
========================
The left/right hemisphere is separated using automatic mirroring/registration method.
The left/right part of the ventricles (10/30), brain stem (17/37) and External Capsule (2/22) as they're usually not considered as anatomically separable.
