- Have recent onset of neurological symptoms that have been active within the last 14 days. The criteria for NPSLE study patients will be a clinically significant neurologic examination which, in the opinion of the treating physician, may be due to SLE and requires MRI evaluation. Patients will be classified according to the nomenclature recommended by the ACR on Neuropsychiatric Manifestations in SLE, and further classified as "focal," "nonfocal," or "seizure" [68].