CNS	central nervous system
CGRP	calcitonin gene-related peptide
PAG	periaqueductal gray matter
NAc	nucleus accumbens
RVM	rostral ventromedial medulla
NMDA	N-methyl-D-aspartate
ACC	anterior cingulate cortex
PFC	prefrontal cortex
VTA	ventral tegmental area
mPFC	medial prefrontal cortex
LA/BLA	lateral/basolateral complex of the amygdala
GABA	gamma-aminobutyric aid
NO	nitric oxide
POMC	proopiomelanocortin
VIP	vasoactive intestinal peptide
PACAP	pituitary adenylate cyclase-activating polypeptide
AMPA	α-amino-3-hydroxy-5-methyl-r-isoxazoleproprionic acid
KA	kainite
NGF	nerve growth factor
IL-6	interleukin-6
NOS	nitric oxide synthase
nNOS	neuronal nitric oxide synthase
iNOS	inducible nitric oxide synthase
eNOS	endothelial nitric oxide synthase
CB1/CB2	cannabinoid receptors type 1 and type 2
rTMS	repetitive transcranial magnetic stimulation