 It is not listed as a recognised condition in the "Diagnostic and Statistical Manual of Mental Disorders" or the "International Classification of Diseases".The best known, although not the most prevalent, manifestation of Jerusalem syndrome is the phenomenon whereby a person who seems previously balanced and devoid of any signs of psychopathology becomes psychotic after arriving in Jerusalem.The psychosis is characterised by an intense religious theme and typically resolves to full recovery after a few weeks or after being removed from the area.