ABC	Artificial Bee Colony
ABM	Agent-Based Modeling
ABMHAP	Attention-Based Multi-Head Adaptive Pooling
AD	Alzheimer’s Disease
ADASYN	Adaptive Synthetic Sampling Approach for Imbalanced Learning
ADD	Alzheimer’s Disease Detection
ADNI	Alzheimer’s Disease Neuroimaging Initiative
ADRD	Alzheimer’s Disease and Related Dementias
AI	Artificial Intelligence
ALOX	Arachidonate Lipoxygenase
ALX	Lipoxin A4 Receptor
ANN	Artificial Neural Network
AP	Activator Protein
ATN	Amyloid/Tau/Neurodegeneration
ATP	Adenosine Triphosphate
AUC	Area Under the Curve
BAT	Bat Algorithm
BBB	Blood–Brain Barrier
BCI	Brain–Computer Interface
BIOCARD	Biomarkers of Cognitive Decline Among Normal Individuals
BPA	Bisphenol A
CART	Classification and Regression Tree
CDRSUM	Clinical Dementia Rating Sum of Boxes
CNN	Convolutional Neural Network
CNS	Central Nervous System
COX	Cyclooxygenase
CRP	C-Reactive Protein
CSF	Cerebrospinal Fluid
CWT	Continuous Wavelet Transform
DAMPs	Damage-Associated Molecular Patterns
DBS	Deep Brain Stimulation
DCCA	Detrended Cross-Correlation Analysis
DL	Deep Learning
DNA	Deoxyribonucleic Acid
DNN	Deep Neural Network
DT	Decision Tree
DYRK	Dual-specificity Tyrosine-Regulated Kinase
ECM	Extracellular Matrix
EEG	Electroencephalography
ERC	Extracellular Receptor Kinase (likely context-dependent, check text)
ERK	Extracellular Signal-Regulated Kinase
EXPANSE	Environmental Policy for the Ageing Population (project acronym)
FDG	Fluorodeoxyglucose
FFT	Fast Fourier Transform
FTLD	Frontotemporal Lobar Degeneration
GA	Genetic Algorithm
GBA	Gut–Brain Axis
GBM	Gradient Boosting Machine
GI	Gastrointestinal
GIS	Geographic Information System
GOC	Gut-on-a-Chip
HC	Healthy Control
HEALS	Health and Environment-wide Associations based on Large population Surveys (project acronym)
IBD	Inflammatory Bowel Disease
IEB	Intestinal Epithelial Barrier
IFN	Interferon
IL	Interleukin
IRT	Item Response Theory (context-dependent, check text)
KNN	K-Nearest Neighbors
LBP	Lipopolysaccharide-Binding Protein
LDA	Linear Discriminant Analysis
LOA	Lion Optimization Algorithm
LPS	Lipopolysaccharide
MAPK	Mitogen-Activated Protein Kinase
MCI	Mild Cognitive Impairment
MD	Mean Diffusivity
MGBA	Microbiota–Gut–Brain Axis
MINERVA	Mechanism-based Integrated Systems for Neurodegeneration and Disease Variation (project acronym)
ML	Machine Learning
MLP	Multi-Layer Perceptron
MMSE	Mini-Mental State Examination
MPS	Microphysiological Systems
MRI	Magnetic Resonance Imaging
MTAP	Multi-Task Attention Pooling
NADPH	Nicotinamide Adenine Dinucleotide Phosphate
NB	Naïve Bayes
NDD	Neurodegenerative Disease
NDDS	Novel Drug-Delivery Systems
NF	Nuclear Factor
NLP	Natural Language Processing
NN	Neural Network
NSD	Neuronal alpha-Synuclein Disease
OASIS	Open Access Series of Imaging Studies
OOC	Organ-on-a-Chip
PD	Parkinson’s Disease
PDMS	Polydimethylsiloxane
PET	Positron Emission Tomography
PFAS	Per- and Polyfluoroalkyl Substances
PSO	Particle Swarm Optimization
QDA	Quadratic Discriminant Analysis
RAGE	Receptor for Advanced Glycation End Products
RAGT	Robot-Assisted Gait Training
RF	Random Forest
RGB	Red, Green, Blue (color channels)
RNA	Ribonucleic Acid
RNS	Reactive Nitrogen Species
ROS	Reactive Oxygen Species
SCFA	Short-Chain Fatty Acids
SD	Standard Deviation
SPM	Specialized Pro-resolving Mediators
SSL	Semi-Supervised Learning
STHAM	Smart Technologies for Healthy Ageing with Multimorbidity (project acronym)
SVM	Support Vector Machine
TNF	Tumor Necrosis Factor
TRIF	TIR-domain-containing Adapter-Inducing Interferon-β
WGCNA	Weighted Gene Co-expression Network Analysis