Indoctrination is the process of inculcating ideas, attitudes, cognitive strategies or a professional methodology (see doctrine). It is often distinguished from education by the fact that the indoctrinated person is expected not to question or critically examine the doctrine they have learned. As such the term may be used pejoratively, often in the context of education, political opinions, theology or religious dogma. The term is closely linked to socialization; in common discourse, indoctrination is often associated with negative connotations, while socialization refers to cultural or educational learning.

Religious indoctrination, the original sense of indoctrination, refers to a process of imparting doctrine in an authoritative way, as in catechism. Most religious groups among the revealed religions instruct new members in the principles of the religion; this is now not usually referred to as indoctrination by the religions themselves, in part because of the negative connotations the word has acquired. Mystery religions require a period of indoctrination before granting access to esoteric knowledge. (cf. Information security)

Avram Noam Chomsky (/ˈnoʊm ˈtʃɒmski/; born December 7, 1928) is an American linguist, philosopher,cognitive scientist, historian, and activist. He is an Institute Professor and Professor (Emeritus) in the Department of Linguistics & Philosophy at MIT, where he has worked for over 50 years. Chomsky has been described as the "father of modern linguistics" and a major figure of analytic philosophy. His work has influenced fields such as computer science, mathematics, and psychology.

Ideologically identifying with anarcho-syndicalism and libertarian socialism, Chomsky is known for his critiques of U.S. foreign policy and contemporary capitalism, and he has been described as a prominent cultural figure. His media criticism has included Manufacturing Consent: The Political Economy of the Mass Media (1988), co-written with Edward S. Herman, an analysis articulating the propaganda model theory for examining the media.

According to the Arts and Humanities Citation Index in 1992, Chomsky was cited as a source more often than any other living scholar from 1980 to 1992, and was the eighth most cited source overall. Chomsky is the author of over 100 books. He is credited as the creator or co-creator of the Chomsky hierarchy, the universal grammar theory, and the Chomsky–Schützenberger theorem.

Dimmu Borgir ( /ˌdɪmuː ˈbɔrɡɪər/) is a Norwegian black metal band from Oslo, Norway, formed in 1993. Dimmu Borgir means "dark cities" or "dark castles/fortresses" in Icelandic, Faroese and Old Norse. The name is derived from a volcanic formation in Iceland, Dimmuborgir. The band has been through numerous line-up changes over the years; guitarist Silenoz and vocalist Shagrath are the only founding members remaining.

Dimmu Borgir was founded in 1993 by Shagrath, Silenoz, and Tjodalv, the band released an EP in 1993 entitled Inn i evighetens mørke ("Into the Darkness of Eternity" in English). This short EP sold out within weeks, and the band followed up with the 1994 full length album For All Tid ('For All Time' in English) This album featured vocal contributions by Vicotnik of Ved Buens Ende and Dødheimsgard and Aldrahn of Dødheimsgard and Zyklon-B. The initial lineup consisted of Shagrath playing drums with Tjodalv on guitar and Silenoz contributing lead vocals. This line-up changed before the release of Stormblåst (translates to "Storm Blown") on Cacophonous Records in 1996, an album considered by many to be their finest. It is also the last album which features all lyrics written and sung in Norwegian. This album was criticized by Allmusic because of bad sound quality and inaccessibility to wide audience.