AD	Alzheimer’s disease
ADCS-ADL	Alzheimer’s Disease Cooperative Study–Activities of Daily Living
AFAGI	Asociación de Familiares de Alzheimer y otras Demencias de Gipuzkoa
Aβ42	Amyloid beta 1–42 peptide
APOE	Apolipoprotein E
ARIA	Amyloid-Related Imaging Abnormalities
AT(N)	Amyloid, Tau, and Neurodegeneration classification framework
A+/T+/N+/V+	Positive for Amyloid/Tau/Neurodegeneration/Vascular burden
BMI	Body Mass Index
BNT	Boston Naming Test
CAD	Cognitive Age Delta
CITA	Center for Research and Memory Clinic, CITA-Alzheimer Foundation
CI	Confidence Interval
CMBs	Cerebral Microbleeds
cSS	Cortical Superficial Siderosis
CSF	Cerebrospinal Fluid
CR	Cognitive Reserve
CU	Cognitively Unimpaired
CUA−V−/	Cognitively Unimpaired Amyloid- (A-T-N-) and Vascular–
CUA+	Cognitively Unimpaired Amyloid+ (A+ and T and N+ or -) and Vascular–
CUV+	Cognitively Unimpaired Vascular+ and Amyloid- (A-T-N-)
DNA	Deoxyribonucleic Acid
ELISA	Enzyme-Linked Immunosorbent Assay
ENRICA	Estudio de Nutrición y Riesgo Cardiovascular (Spanish Study on Nutrition and Cardiovascular Risk)
FCSRT	Free and Cued Selective Reminding Test
FDR	False Discovery Rate
FLAIR	Fluid-Attenuated Inversion Recovery
GAP	Gipuzkoa Alzheimer Project
GLM	General Linear Model
GRE	Gradient-Recalled Echo
HADS	Hospital Anxiety and Depression Scale
HbA1c	Glycated Hemoglobin
HDL	High-Density Lipoprotein
IPAQ	International Physical Activity Questionnaire
IQR	Interquartile Range
IWG-3	International Working Group Criteria, 3rd Revision
JLO	Judgment of Line Orientation Test
LDL	Low-Density Lipoprotein
M@T	Memory Alteration Test
MCI	Mild Cognitive Impairment
MMSE	Mini-Mental State Examination
MRI	Magnetic Resonance Imaging
MTA	Medial Temporal Atrophy scale
NPI	Neuropsychiatric Inventory
NPS	Neuropsychological Profile
OSA	Obstructive Sleep Apnea
PCR	Polymerase Chain Reaction
p-tau	Phosphorylated tau
t-tau	Total tau
PSQ	Perceived Stress Questionnaire
PSQI	Pittsburgh Sleep Quality Index
ROCF	Rey–Osterrieth Complex Figure Test
SVD	Small Vessel Disease
SWI	Susceptibility-Weighted Imaging
STRIVE/STRIVE-2	Standards for Reporting Vascular Changes on Neuroimaging (1st and 2nd editions)
SUN	Seguimiento Universidad de Navarra
TMT-A/TMT-B	Trail Making Test Parts A and B
TOPF	Wechsler Test of Premorbid Functioning
UPDRS-III	Unified Parkinson’s Disease Rating Scale, Part III (motor section)
V	Vascular status (burden)
WAIS-III	Wechsler Adult Intelligence Scale, 3rd Edition
WMH	White Matter Hyperintensities