Table 3 Brain regions and number of principal components

Frontal lobe

Middle frontal gyrus

28, 29

6, 5

Precentral gyrus

50, 51

6, 7

Straight gyrus

52, 53

6, 6

Anterior orbital gyrus

54, 55

7, 6

Inferior frontal gyrus

56, 57

6, 7

Superior frontal gyrus

58, 59

6, 7

Medial orbital gyrus

68, 69

8, 4

Lateral orbital gyrus

70, 71

6, 5

Posterior orbital gyrus

72, 73

6, 6

Subgenual frontal cortex

76, 77

7, 7

Subcallosal area

78, 79

8, 8

Pre-subgenual frontal cortex

80, 81

6, 7

Temporal lobe

Hippocampus

2, 1

8, 7

Amygdala

4, 3

7, 8

Anterior temporal lobe medial part

6, 5

7, 7

Anterior temporal lobe lateral part

8, 7

6, 5

Parahippocampal and ambient gyri

10, 9

7, 8

Superior temporal gyrus posterior part

12, 11

5, 7

Middle and interior temporal gyrus

14, 13

6, 6

Fusiform gyrus

16, 15

6, 8

Posterior temporal lobe

30, 31

5, 7

Superior temporal gyrus anterior part

82, 83

7, 8

Parietal lobe

Parietal gyrus

60, 61

7, 7

Superior parietal gyrus

62, 63

6, 8

Inferolateral remainder of parietal lobe

32, 33

6, 5

Occipital lobe

Lateral remainder of occipital lobe

22, 23

6, 6

Lingua gyrus

64, 65

7, 6

Cuneus

66, 67

8, 8

Central structure

Caudate nucleus

34, 35

8, 8

Nucleus accumbens

36, 37

8, 8

Putamen

38, 39

6, 8

Thalamus

40, 41

7, 7

Pallidum

42, 43

7, 6

Substantia nigra

74, 75

8, 7

Corpus Callosum

44

6

Insula and cingulate gyri

Insula

20, 21

5, 6

Cingulate gyrus anterior part

24, 25

7, 9

Cingulate gyrus posterior part

26, 27

8, 7

Posterior fossa

Cerebellum

18, 17

4, 5

Brainstem

19

5

Ventricles

Lateral ventricle

46, 45

8, 8

Lateral ventricle temporal horn

48, 47

10, 5

Third ventricle

49

9