2026. 54 | Differential diagnosis in older age bipolar disorder: the role of neuropsychological assessment in differentiating psychiatric neuroprogression from neurocognitive disorders: L. Rendace1, A. Foti1, M.C. Altavista1 | 1Dipartimento delle Specialità Mediche, UOC Neurologia, Presidio Ospedaliero San Filippo Neri, Centro Disturbi Cognitivi e Demenze, ASL Roma 1. Geriatric Care. 12, s1 (Jun. 2026). DOI:https://doi.org/10.4081/gc.2026.15805.