Table 3.

Criteria for the autoimmune genesis of the symptomatology.

I Definitive limbic autoimmune encephalitis according to Graus et al. [11]
Criterion	Completion of Criterion
A. Subacute presentation of cognitive dysfunction with working memory deficits together with psychiatric symptoms (depressive symptoms)	Yes
B. T2/FLAIR MRI signal changes in temporal lobe	No
C. CSF pleocytosis or temporal EEG abnormalities	No
D. Detection of neural autoantibodies in serum and CSF	Yes
E. Exclusion of other reasons	Yes
Sum	3 of 4 required criteria = no definitive limbic autoimmune encephalitis
II Definitive autoimmune based psychiatric syndrome according to Hansen et al. [10]
Criterion	Completion of Criterion
A. Minor cognitive impairment	Yes
B. Severe cognitive dysfunction	Yes
C. Two items: elevated ptau181 and presence of serum Homer-3 autoantibodies	Yes
D. Presence of CSF IgG Homer-3 autoantibodies	Yes
Sum	4 of 4 required criteria = definitive autoimmune based psychiatric syndrome