Conditioning psychosis - A new type of epileptic psychosis? A case report on a bidirectional connection between epilepsy and psychosis.

Introduction Epilepsy and psychosis are not only closely related by clinical phenomena but presumably by causal factors, too. There is evidence that long-standing epileptic seizures can induce chronic psychosis. Whether chronic psychosis can cause epilepsy remains to be further investigated. Case Report We report a case of a 28-year-old man with chronic psychosis since early childhood who developed epilepsy many years after the onset of the psychosis. Medical treatment resulted in complete remission of psychosis and seizures. Conclusion 1.) This case could be a further example for the bidirectional causality of psychosis and epilepsy. 2.) A conditioning psychosis could be understood as a variety of interictal psychosis and complement current classifications.