Clin Med
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Autoimmune limbic encephalitis is an increasingly recognised cause of cognitive decline and confusion. The typical presentation is with subacute cognitive decline, behavioural disturbance and seizures. ⋯ It is a highly treatable condition, often responding well to intravenous immunoglobulin or steroids. Recognition of autoimmune limbic encephalitis is sometimes delayed--usually because the diagnosis has not been considered--which can result in long-term neurological consequences.