In rare cases, individuals may believe that other people have transformed into animals.[9] This has been termed "lycanthropic intermetamorphosis"[8] and "lycanthropy spectrum".[9] A 2009 study reported that, after the consumption of the drug MDMA (Ecstasy), a man displayed symptoms of paranoid psychosis by claiming that his relatives had changed into various animals such as a boar, a donkey and a horse.[10]