Wild man syndrome experiencing the condition. Some theorists believe that emotions are produced by culture and are not biological. Their emotional diversity across cultures and the way individuals think is based on their social environment and on past and future experience and expectations. Wild Pig syndrome is unusual by Western standards; however, it is common and normal in the Gururumba tribe. This syndrome got its name from the occurrence of domesticated pigs going through a temporary state in which the pig will run wild. With appropriate measures the pig can return to the domesticated pig life among the villagers. This is similar to
The Call of the Wild American literature scholar Donald Pizer, is that it is a combination of allegory, parable, and fable. The story incorporates elements of age-old animal fables, such as "Aesop's Fables," in which animals speak truth, and traditional beast fables, in which the beast "substitutes wit for insight". London was influenced by Rudyard Kipling's "The Jungle Book", written a few years earlier, with its combination of parable and animal fable, and by other animal stories popular in the early 20th century. In "The Call of the Wild", London intensifies and adds layers of meaning that are lacking in these stories. As a writer