ADD	Attention Deficit Disorder
ADHD	Attention-Deficit/Hyperactivity Disorder
ALS	Amyotrophic Lateral Sclerosis
ANN	Artificial Neural Networks
AR	Augmented Reality
ASSR	auditory steady-state response
BCI	Brain-Computer Interfaces
BCS	Brain-inspired Cognitive System
BOLD	blood oxygen level-dependent signals
BSS	Blind Source Separation
CNN	Convolutional Neural Network
CNS	central nervous system
CWT	Continuous Wavelet Transform
DC	direct current
DFT	Discrete Fourier Transform
DHT	Discrete Hartley Transform
DL	Deep Learning
DNN	Deep Neural Networks
DSP	digital signal processing
DBD	Duchenne Muscular Dystrophy
DWT	Discrete Wavelet Transform
ECG	Electrocardiography
EDA	electrodermal activity
ECoG	electrocorticography
EEG	electroencephalography
EMD	Empirical Mode Decomposition
EMG	electromygraphy
EOG	electrooculography
ERD	event related desynchronisation
ERP	event-related potentials
ERS	Event-Related Synchronisation
FES	functional electrical stimulation
FFT	Fast Fourier Transform
FHT	Fast Hartley transform
FL	Fuzzy Logic
fMRI	functional resonance imaging
fNIRS	functional infrared spectroscopy
FT	Fourier Transform
HMI	Human-Machine Interfaces
ICA	Independent Component Analysis
LIS	Locked-in Syndrome
MEG	magnetoencephalography
ME	motor execution
MI	motor imagery
mVEPs	motion-onset visually evoked potentials
NN	Neural Networks
PCA	Principal Component Analysis
PD	Parkinson’s Disease
PET	positron emission tomography
PPG	hotoplethysmography
RNN	Recurrent Neural Network
SCP	slow cortical potentials
sEEG	stereoencephalography
SG	Savitzky-Golay filter
SMR	sensorimotor rhythm
SNR	signal-to-noise ratio
SMA II	Spinal Muscular Atrophy type II
SSVEP	steady-state visual evoked potentials
STFT	Short-Time Fourier Transform
TFA	Time-Frequency Analysis
VR	virtual reality
XR	mixed reality
WT	Wavelet Transform