Amok: a mirror of time and people.  This study examined 'amok', a culture-bound syndrome related to sudden mass homicide, to elucidate changing and varied concepts.  A historical review of 88 English articles revealed that the meanings and assumed causes of amok have changed over time.  In other words, the concept of amok changes depending on the history of society and the knowledge and intention of people at the time. 
Amok