Neuropsychiatric symptom clusters across the cognitive impairment spectrum in advanced age: a data-driven analysis integrating AD biomarker and clinical profiling
Neuropsychiatric symptoms (NPS) are among the most common manifestations of cognitive impairment, yet their heterogeneity complicates understanding of how they relate to Alzheimer’s disease (AD) pathology. While individual NPS have been linked to AD biomarker burden, the interplay between co-occurring neuropsychiat...