α1AR	α1-adrenergic receptor
α2AR	α2-adrenergic receptor
Amg	amygdala
AmgBL	basolateral part of amygdala
Amgex	extended amygdala
AMPARs	α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid-type glutamate receptors
BDNF	brain-derived neurotrophic factor
BF	basal forebrain
BRS	brain reward system
CDn	caudate nucleus
cAMP	cyclic adenosine monophosphate
CREB	cAMP-response element-binding protein
DA	dopamine
dHip	dorsal hippocampus
dmPFC	dorso-medial prefrontal cortex
D1R	D1 dopamine receptor
D2R	D2 dopamine receptor
DRn	dorsal raphe nucleus
ERK	extracellular signal-regulated kinase
GABA	γ-aminobutyric acid
GDP	guanosine diphosphate
Glu	glutamate
GP	globus pallidus
GPex	external globus pallidus
GPin	internal globus pallidus
GTP	guanosine triphosphate
Hip	hippocampus
5-HT	serotonin
HTh	hypothalamus
IFN-γ	interferon gamma
IL-1β	interleukin-1 beta
IThn	intralaminar thalamic nuclei
LC	locus coeruleus
LTP	long-term potentiation
LHn	lateral habenular nucleus
LHTh	lateral hypothalamus
LPa	lateral preoptic area
LV	lateral ventricle
MBP	myelin basic protein
Mctx	motor cortex
MDD	major depressive disorder
MDThn	mediodorsal thalamic nucleus
mloPFC	medial and lateral orbital prefrontal cortex
MOBP	myelin-associated oligodendrocyte basic protein
mPFC	medial prefrontal cortex
MThn	midline thalamic nuclei
NAc	nucleus accumbens
NAcc	core of nucleus accumbens
NAcs	shell of nucleus accumbens
NE	norepinephrine
NF-κB	nuclear factor-kappa B
NPAS2	neuronal PAS domain 2 protein
PFC	prefrontal cortex
PHpg	para-hippocampal gyrus
PLP1	proteolipid protein 1
PPn	pedunculopontine nucleus
preMctx	premotor cortex
PSD95	postsynaptic density of protein 95
Put	putamen
SNpc	substantia nigra pars compacta
SNpr	substantia nigra pars reticulate
Spt	septum
Sub	subiculum
TegB	bulbar tegmentum
Th	thalamus
TrkB	tyrosine receptor kinase B
VGLUT	vesicular glutamate transporter
vHip	ventral hippocampus
VP	ventral pallidum
VTA	ventral tegmental area