Pessimism

Pessimism

norepinephrine

70%

melatonin

70%

dynorphin a (1-17)

65%

dynorphin a (1-13)

65%

dynorphin b

65%

alpha-neoendorphin

60%

beta-neoendorphin

55%

alpha-endorphin

45%

gamma-endorphin

45%

dopamine

40%

beta-endorphin

40%

met-enkephalin

40%

leu-enkephalin

40%

anandamide

40%

gaba

40%

oxytocin

35%

serotonin

30%