3D	Three-dimensional
AAL	Anatomical Automatic Labeling
ACC	Anterior cingulate cortex
ALFF	Abnormal amplitude of low-frequency fluctuation
ANCOVA	Analysis of covariance
ANOVA	Analysis of variance
CAT	Computational Anatomy Toolbox
DMN	Default mode network
DWI	Diffusion-weighted
FAB	Frontal Assessment Battery
FLAIR	Fluid-attenuated inversion recovery
fMRI	Functional magnetic resonance imaging
FOGQ	Freezing of Gait Questionnaire
FWE	Family wise error
GP	Globus pallidus
H&Y	Hoehn & Yahr
HAMA	Hamilton Anxiety Rating Scale
HAMD	Hamilton Depression Rating Scale
HC	Healthy control
LEDD	Levodopa equivalent daily dose
MDS-UPDRS-III	Movement Disorder Society Unified PD Rating Scale motor part 3
MMSE	Mini-Mental State Examination
MNI	Montreal Neurological Institute
mPFC	Medial prefrontal cortex
MP-RAGE	Magnetization prepared rapid acquisition gradient echo
MRA	Magnetic resonance angiography
MRI	Magnetic resonance imaging
PD	Parkinson’s disease
QSM	Quantitative susceptibility mapping
RN	Red nucleus
SPSS	Statistical Product Service Solutions
ROI	Region of interest
SMA	Supplementary motor area
SN	Substantia nigra
STAR	Streaking artifact reduction
TIV	Total intracranial volume
VBM	Voxel-based morphometry