AI	Artificial intelligence
(A)NN	(Artificial) neural network
ANOVA	Analysis of Variance
BCI	Brain–computer interface
CNN	Convolutional neural network
(D)CSP	(Disperse) Common Spatial Pattern
CTR	Continuous-trajectory reconstruction
DCA	Discriminant Correlation Analysis
DL	Deep learning
DSP	Digital Signal Processor
DWT	Discrete Wavelet Transform
EEG	Electroencephalography
EEG-BCI	Electroencephalogram-based brain–computer interface
(E)EMD	(Ensemble) empirical mode decomposition
EMG	Electromyography
ERD	Event-related desynchronization
ERS	Event-related synchronization
FBCSP	Filter Bank Common Spatial Pattern
FC	Functional connectivity
FFT	Fast Fourier Transform
FMRI	Functional Magnetic Resonance Imaging
FNIRS	Functional Near-Infrared Spectroscopy
HMI	Human–machine interface
HOS	Higher-Order Statistics
HRI	Human–robot interaction
IEEE	Institute of Electrical and Electronics Engineers
KNN	K-Nearest Neighbors
LDA	Linear Discriminant Analysis
LSTM	Long short-term memory
MCU	Microcontroller unit
MDF	Multidomain feature
MEG	Magnetoencephalography
MI	Motor imagery
MI-BCI	Motor imagery brain–computer interface
ML	Machine learning
MLP	Multilayer perceptron
MOABB	Mother of All BCI Benchmarks
MRCP	Magnetic Resonance Cholangiopancreatography
OCS	Optimal channel set
PCC	Pearson’s correlation coefficient
PLV	Phase-locking value
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analyses
PSO	Particle swarm optimization
RF	Random Forest
RFE	Recursive feature elimination
RLLFC	Riemannian Local Linear Feature Construction
RNN	Recurrent neural network
RWOS-ELM	Regularized weighted online sequential extreme learning machine
SMLR	Sparse multinomial logistic regression
SMLR-SVM	Sparse multinomial logistic regression Support Vector Machine
SNR	Signal-to-noise ratio
SVM	Support Vector Machine
TBI	Traumatic brain injury
TCS	Traditional channel set
ViT	Vision Transformer
VR	Virtual reality
WPD	Wavelet packet decomposition
WPT	Wavelet packet transform
WT	Wavelet transform