AI	Artificial intelligence
ML	Machine learning
NLP	Natural language processing
LLMs	Large language models
PLS	Partial least squares
SVR	Support Vector Regression
SVM	Support Vector Machine
XGBoost	Extreme Gradient Boosting
RF	Random Forest
NN	Neural Network
KNN	K-Nearest Neighbors
ANN	Artificial Neural Network
DL	Deep Learning
RMSE	Root mean square error
DT	Decision tree
GC–MS	Gas chromatography–mass spectrometry
EEM	Excitation–Emission Matrix
ENR	Elastic Net Regression
PLS-DA	Partial least squares discriminant analysis
BP	Back-propagation
XR	Extended reality
VR	Virtual reality
AR	Augmented reality
MR	Mixed reality
HMD	Head-mounted display
EEG	Electroencephalogram
fNIRS	Functional near-infrared spectroscopy
fMRI	Functional magnetic resonance imaging
BOLD	Blood oxygenation level-dependent
HR	Heart rate
HRV	Heart rate variability
ANS	Autonomic nervous system
EDA/GSR	Electrodermal activity/Galvanic skin response
SC	Skin conductance
SCL	Skin conductance level
SR	Skin resistance
ECG	Electrocardiography
B.P.	Blood pressure
FEA	Facial expression analysis
EMG	Electromyography
IoT	Internet of Things
E-nose	Electronic noses
E-tongue	Electronic tongues