NS	neutral stimulus
US	unconditioned stimulus
CS+	conditioned stimulus
CS-	conditioned stimulus never paired with the US
CXT	conditioned context
CR	conditioned response
SCR	skin conductance response
EMG	electromyography
fMRI	functional magnetic resonance imaging
BOLD	blood-oxygen-level-dependent
PTSD	post-traumatic stress disorder
NMDA	N-methyl-D-aspartate
AMPA	α-amino-3-hydroxy-5-methyl-4-isoxazole propionate
DCS	D-cycloserine
VPA	valproic acid
NA	noradrenaline
YOH	yohimbine
RBX	reboxetine
eCBs	endocannabinoids
AEA	anandamide
FAAH	fatty acid amide hydrolase
FAAHi	FAAH inhibitor
MAGL	monoacylglycerol lipase