f	female
m	male
$m_{age}$	mean age
fr	frequency
d	duration
AI	Artificial Intelligence
AIC	Akaike Information Criterion
ANN	Artificial Neural Network
ANOVA	Analysis of Variance
ARM	Association Rule Mining
CMIM	Conditional Mutual Information Maximisation
CNN	Convolutional Neural Network
CSI	Channel State Information
cvx-EDA	Convex (optimisation) Electrodermal Activity
DISR	Domain-Invariant Subspace Representation
DNN	Deep Neural Network
DT	Decision Tree
ECG	Electrocardiogram
EDA	Electrodermal Activity
EDR	Electrodermal Response
EEG	Electroencephalogram
ELM	Extreme Learning Machine
EMG	Electromyography
FMCW	Frequency-Modulated Continuous Wave
FMF	Fuzzy Membership Functions
fMRI	Functional Magnetic Resonance Imaging
fNIRS	Functional Near-Infrared Spectroscopy
GDA	Gaussian Discriminant Analysis
GP	Genetic Programming
GPS	Global Positioning System
GBC	Gradient Boosting Classifier
GLM	Generalised Linear Model
GSR	Galvanic Skin Response
HMD	Head-Mounted Display
HR(V)	Heart rate (variability)
IMU	Inertial Measurement Unit
JMI	Joint Mutual Information
KBCS	Kernel-based Class Separability
kNN	k-Nearest Neighbours
LDA	Linear Discriminant Analysis
LDC	Linear Discriminant Classifier
LMM	Linear Mixed Models
LR	Logistic or Linear Regression
LSTM	Long Short-Term Memory
MANOVA	Multivariate Analysis of Variance
ML	Machine Learning
MLP	Multi-Layer Perceptron
NB	Naive Bayes
NN	Neural Network
PCA	Principal Component Analysis
PNN	Probalistic Neural Network
PPG	Photoplethysmogram
PSD	Position sensitive device
PTT	Partial Thromboplastin Time
RBF	Radial Basis Functions
RF	Random Forest
RFE	Recursive Feature Elimination
RNN	Recurrent Neural Network
RR	Respiration Rate
RSS	Received Signal Strength
RVM	Relevance Vector Machine
QDA	Quadratic Discriminant Analysis
SD	Standard Deviation
SDK	Software Development Kit
SFFS	Sequential Forward Floating Selection
(L-)SVM	(Linear) Support Vector Machines
WiFi	Wireless Fidelity