LGI1 and encephalitis: First, anti-NMDAR encephalitis is just one of the autoimmune encephalitis types, which also includes α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor (AMPAR), γ-aminobutyric acid (GABA), and leucine-rich, glioma-inactivated 1 (LGI1) et.al, among others.