PD	Parkinson’s disease
rs-fMRI	Resting-state functional MRI
CNN	Convolutional neural network
DcCNN	Decorrelated convolutional neural network
PPMI	Parkinson’s Progression Markers Initiative
NIFD	FTLDNI—frontotemporal lobar degeneration neuroimaging initiative
t-SNE	t-distributed stochastic neighbor embedding
t-SNE	t-distributed stochastic neighbor embedding
FE-DcCNN	Feature extraction-DcCNN