Aß	amyloid ß
ACh	acetylcholine
AChE	acetylcholinesterase
AD	Alzheimer’s disease
Amg	amygdala
AMPARs	α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid-type glutamate receptors
BDNF	brain-derived neurotrophic factor
BRS	brain reward system
Cdk5	cyclin-dependent kinase 5
CNS	central nervous system
CUMS	chronic unpredictable mild stress
DA	dopamine
DARPP-32	cAMP-regulated phosphoprotein 32
DBS	deep brain stimulation
D1R	D1 dopamine receptor
GABA	γ-aminobutyric acid
GABAARs	γ-aminobutyric acid A receptors
Glu	glutamate
GluD1R	glutamate delta-1 receptor
HD	Huntington’s disease
Hip	hippocampus
5-HT	serotonin
LTP	long-term potentiation
MDD	major depressive disorder
MGluRs	metabotropic glutamatergic receptors
MSNs	medium spiny neurons
mPFC	medial prefrontal cortex
NAc	nucleus accumbens
NADPH-d	dihydronicotinamide adenine dinucleotide phosphate diaphorase
NMDARs	N-methyl-D-aspartate receptors
NPY	neuropeptide Y
pCREB	phosphorylated cAMP (adenosine 3′5′ cyclic monophosphate)-Response Element Binding protein
PD	Parkinson’s disease
PFC	prefrontal cortex
SOM	somatostatin
TPD	tangle-predominant dementia
TrkB	tropomyosin receptor kinase B
vSub	ventral subiculum
VTA	ventral tegmental area
Enk	enkephalin
SP	substance P