Table 11: Different classification systems and current status of antibodies implicated: autoimmune dementia may be idiopathic or secondary to cancer (paraneoplastic) [29].

Eponymous
 Morvan syndrome
Syndromic
 Progressive encephalomyelopathy with rigidity and myoclonus
Serologically
 VGKC antibody associated encephalopathy
Pathologically
 Nonvasculitic autoimmune meningoencephalitis
Antibodies
 VGKC
 NMDA receptor antibody
 AMPA receptor
 GABAB receptor
 GAD 65
 ANNA-1 (anti-Hu)
 ANNA-2 (anti-Ri)
 ANNA-3
 AGNA (SOX-1)
 PCA-2
 CRMP-5 (anti-CV2)
 Amphiphysin
 Ma/Ta proteins
 NMO-IgG

VGKC: voltage gated potassium channel, NMDA: N-methyl D-aspartate, AMPA: alpha-amino-3-hydroxy-5-methyl-isoxazolepropionic acid, GABA: gamma-aminobutyric acid, GAD: glutamic acid decarboxylase 65, ANNA, antineuronal nuclear antibody, AGNA: antiglial nuclear antibody, PCA: Purkinje cell cytoplasmic antibody, CRMP 5: collapsing response mediator protein 5, NMO: neuromyelitis optica IgG antibodies (modified from Mckeon et al.) [30].