Table 1 Overview of brain samples (collections and brain regions).

Brain region

Orbital-frontal cortex^a

Orbital-frontal cortex^b

Frontal cortex^b,c

Corpus callosum^b

Corpus callosum^d,e

Sample type

Frozen tissue block

RNA

RNA

RNA

Frozen tissue block

Healthy controls

41

34

51

35

88

Bipolar disorder

0

32

53

34

45

Schizophrenia

0

34

54

35

73

Mean age

1–2 individuals from each age 1–24 years

44.1

45.6

44

61.1

Male prop

1

0.64

0.65

0.65

0.60

Female prop

0

0.36

0.35

0.35

0.40