BCI	Brain-computer interfaces
EEG	Electroencephalogram
IS	Imagined speech
ML	Machine learning
DL	Deep Learning
CNN	Convolutional neural networks
BD1	Reference database
BD2	New database
APIT-MEMD	Adaptive-Projection Intrinsically Transformed MEMD
CAM	Class Activation Mapping
ERP	Event Related Potential
MRCP	Movement Related Cortical Potential
SMR	Sensorimotor rhythms
ERS/ERD	Event-related synchronization/desynchronization
MI	Motor imagery
SVM	Support Vector Machine
CSPs	Common special patterns
RF	Random Forest
LDA	Linear Discriminant Analysis
AC	Adaptive collection
DWT	Discrete Wavelet Transform
DBN	Deep Belief Networks