Dual-Task Performance as a Potential Digital Biomarker of Aging: Age-Stratified Reference Patterns Across the Adult Lifespan
Objectives: To characterize age-stratified reference patterns in dual-task performance and dual-task cost across the adult lifespan using a standardized digital assessment. Methods: A cross-sectional observational study was conducted in 400 healthy participants aged 18 to 94 years from Spain and Ecuador. Participants p...