Pseudodementia is seen in
Depressive pseudodementia- depression in the elderly people may mimic dementia clinically. Identification of depression is very impoant as it is far more easily treatable than dementia. (Ref: a sho textbook of psychiatry, Niraj Ahuja, 7th edition, pg no.23)
Alcoholism
Depression
Schizophrenia
Mania
Organic mental disorders