BMI	brain-machine interface
EEG	electroencephalography
PA	power augmentation
EMG	electromyography
NFB	neurofeedback
NFBT	neurofeedback training
FFT	fast Fourier transform
ICA	independent component analysis
PCA	principal component analysis
TFD	time-frequency distributions
SNR	signal-to-noise ratio
SMR	sensorimotor rhythm
RTAI	real-time application interface
FEA	flexion and extension arm
PSD	power spectral density
A/D	analog/digital
IC	independent component
STFT	short-time Fourier transform
CC	correlation coefficient
fMRI	functional magnetic resonance imaging