Combining plasma biomarkers and cognitive challenge tests enhances prediction of functional trajectories of decline among older adults with cognitive impairment. - Diane Zheng D; Curiel Cid RE; Ortega A; Crenshaw KH; Crocco EA; Vaillancourt D; Armstrong MJ; Wang WE; Asken B; Adjouadi M; Marsiske M; Rosselli M; et al. (Journal of Alzheimer's disease : JAD, 2026)