δOR	δ-opioid receptor
κOR	κ-opioid receptor
μOR	μ-opioid receptor
σ1R	σ 1 receptor
2-AG	2-arachidonoylglycerol
A2AR	Adenosine receptor 2A
AUD	Alcohol use disorder
CB1R	Cannabinoid receptor 1
CB2R	Cannabinoid receptor 2
CNS	Central Nervous System
CPP	Conditioned place preference
CRF	Corticotropin-releasing factor
CRF1R	CRF receptor 1
D1R	Dopamine receptor 1
D2R	Dopamine receptor 2
DG	Dentate gyrus
DORA	Dual orexin receptor antagonist
GPCRs	G protein-coupled receptors
HPA	Hypothalamic–pituitary–adrenal axis
iCa2+	Intracellular calcium
IntA	Intermittent access
KO	Knockout
LC	Locus coeruleus
LDT	Laterodorsal tegmental nuclei
LH	Lateral hypothalamus
LTP	Long-term potentiation
MAPK	Mitogen-activated protein kinase
mTORC1	Mammalian Target of Rapamycin complex 1
NAc	Nucleus accumbens
NMDA	N-methyl-D-aspartate
OXA	Orexin A
OXB	Orexin B
OXRs	Orexin receptors
OX1R	Orexin receptor 1
OX2R	Orexin receptor 2
PKC	Protein kinase C
PLC	Phospolipase C
PFC	Prefrontal cortex
PPT	Pedunculopontine tegmental nuclei
pPVT	Paraventricular nucleus of the thalamus
TMN	Tuberomammillary nucleus
VGCC	Voltage-gated Ca2+ channel
VTA	Ventral tegmental area