IGLON5 and supranuclear palsy, progressive, 1: It might be also important to widen the screening for anti-IgLON5 antibodies to other neurological symptoms that may overlap with other more frequent neurodegenerative conditions, such as, e.g., PSP or ALS, particularly when these are associated with atypical symptoms [54] and likely also to a subset of TDP-43 proteinopathies.