AL	Active learning
ALS	Amyotrophic Lateral Sclerosis
ATL	Active Transfer Learning
BCIC	Brain Computer Interface Competition
CCA	Canonical Correlation Analysis
CNN	Convolution Neural Network
CSA	Covariate Shift Adaptation
CSP	Common Spatial Pattern
DA	Domain Adaptation
DD	Drowsiness Detection
ELM	Extreme Learning Machine
ED	Epileptic Detection
ER	Emotion Recognition
ERP	Event-Related Potential
ErrPs	Electroencephalography -measured error-related potentials
FTL	Feature Transfer Learning
ITL	Instance Transfer Learning
JSR	Jensen Shannon Ratio
KL	Kullback–Leibler
KNN	K-Nearest Neighbor
LDA	Linear Discriminate Analysis
LR	Logistic Regression
LSTM	Long Short-Term Memory
MDRM	Minimum Distance to Riemannian Mean classifiers
MI	Motor Imagery
MMD	Maximum mean discrepancy
MK	Means Kappa value
MTL	Model Transfer Learning
MWA	Mental-Workload Assessment
MRP	Movement Related Potentials
RNN	Recurrent Neural Network
RR	Ridge Regression
RBM	Restricted Boltzmann Machine
SMR	Sensory Motor Rhythm
SVM	Support Vector Machine
SSVEP	Steady State Visual Evoked Potential
SELM	Sigmoid Extreme Learning Machine
SPD	Symmetric Positive Definite
TL	Transfer Learning
TRCA	Task-Related Component Analysis
VEP	Visual Evoked Potential
VGG	Visual Geometry Group