Question: what autoimmune diseases affect the brain?
Answer: Autoimmune encephalitis.
Autoimmune-related epilepsy.
Central nervous system (CNS) vasculitis.
Hashimoto's encephalopathy (steroid-responsive encephalopathy)
Neuromyelitis optica.
Optic neuritis.
Neurosarcoidosis.
Neuro-Behcet's disease.