BSA	Bovine serum albumin
BPnd	non-displaceable binding potential
BoNT-A	Botulinum neurotoxin A
CPu	caudate–putamen
D2/D3R	D2/D3 receptor
DA	dopamine
hemi-PD	hemiparkinsonian
MFB	medial forebrain bundle
MRI	magnetic resonance imaging
MSN	medium spiny neuron
PD	Parkinson’s disease
PET	positron emission tomography
PBS	phosphate-buffered saline
PVE	partial volume effect
SNAP25	synaptosomal-associated protein of 25-kDa
SN(pc)	substantia nigra (pars compacta)
SRTM2	simplified reference tissue model 2
TAC	time-activity curve
TH	tyrosine hydroxylase
VOI	voxels of interest
6-OHDA	6-hydroxdopamine