What evidence suggests that dissociative identity disorder is a culture-bound syndrome?
1) Cases of true dissociative identity disorder have only been identified in Gabon, Equatorial Guinea, and Cameroon.
2) Only a small number of dissociative identity disorder cases had been diagnosed worldwide, yet tens of thousands of cases in the United States and Canada were reported after the diagnosis became lucrative.
3) A person's alters often speak with accents or in a foreign language.
4) A suspected genetic marker of dissociative identity disorder has received increased research attention within the past decade.
