One candidate is the tracer FDDNP, which is retained in the brain in individuals with a number of dementing disorders such as Alzheimer's disease, Down syndrome, progressive supranuclear palsy, familial frontotemporal dementia, and Creutzfeldt–Jakob disease.
En kandidat er sporstoffet FDDNP, der er i hjernen hos individer med flere forskellige demenssygdomme, såsom Alzheimers sygdom, Downs syndrom, progressiv supranuclear parese, familiær frontotemporal demens og Creutzfeldt-Jakobs sygdom.