The Jerusalem syndrome is a group of mental phenomena involving the presence of either religiously themed obsessive ideas, delusions or other psychosis-like experiences that are triggered by a visit to the city of Jerusalem. It is not endemic to one single religion or denomination but has affected Jews, Christians and Muslims of many different backgrounds.
The best known, although not the most prevalent, manifestation of the 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.
The religious focus of the Jerusalem syndrome distinguishes it from other phenomena, such as the Stendhal syndrome, which is reported in Florence, Italy, or the Paris syndrome, which has been reported predominantly in Japanese individuals.
In a 2000 article in the British Journal of Psychiatry, Bar-El et al. claim to have identified and described a specific syndrome which emerges in tourists with no previous psychiatric history. However, this claim has been disputed by M. Kalian and E. Witztum. Kalian and Witzum stressed that nearly all of the tourists who demonstrated the described behaviours were mentally ill prior to their arrival in Jerusalem. They further noted that, of the small proportion of tourists alleged to have exhibited spontaneous psychosis after arrival in Jerusalem, Bar-El et al. had presented no evidence that the tourists had been well prior to their arrival in the city.
Jerusalem Syndrome is not listed or referenced in the DSM IV.
Jerusalem syndrome has previously been regarded as a form of hysteria, referred to as "Jerusalem squabble poison," or fièvre Jerusalemmiene. It was first clinically described in the 1930s by Jerusalem psychiatrist Heinz Herman, one of the founders of modern psychiatric research in Israel. Whether or not these behaviors specifically arise from visiting Jerusalem is debated, as similar behaviors have been noted at other places of religious and historical importance such as Mecca and Rome (see Stendhal syndrome). It is known that cases of the syndrome had already been observed during the Middle Ages, since it was described in the itinerary of Felix Fabri and the biography of Margery Kempe. Other cases were described in the vast literature of visitors to Jerusalem during the 19th century.
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