AMI	amitriptyline
BDNF	brain-derived neurotrophic factor
CNS	central nervous system
CREB	cyclic AMP response element binding
DIAZ	diazepam
DBH	dopamine β-Hydroxylase
ERK	extracellular signal-regulated kinase
HSE	Helichrysum stoechas Moench methanolic extract
LDB	light dark box
MAO-A	monoamine oxidase A
NORT	novel object recognition test
NSFT	novelty suppressed feeding test
PREG	pregabalin
TST	tail suspension test
PCC	Pearson’s correlation coefficient
M1/M2	Mander’s overlap coefficient 1/2