AM	actual movement
BCI	brain computer interface
EEG	electroencephalogram
EMD	empirical mode decomposition
HLT	Hand laterality test
HT	Hilbert transform
HHT	Hilbert Huang transform
HS	Hilbert spectrum
IF	instantaneous frequency
IMF	intrinsic mode function
MF	marginal frequency
MI	motor imagery
PCC	Pearson’s correlation coefficient
RF	residue functions
RTE	refereed total energy
TF	time-frequency