Indigenous Aryans were inter-related, and the notion of biological race came to the forefront The "Aryan race," the presumed identity of Indo-European language speakers was prominent among such races, which was seen to be further subdivided into "European Aryans" and "Asian Aryans," each with their own homelands. Max Mueller, who translated the Rigveda during 1849–1874, postulated an original homeland for all Aryans in central Asia, from where a northern branch was believed to have migrated to Europe and a southern branch came to India and Iran. The Aryans were fair-complexioned Indo-European speakers who conquered the dark-skinned "dasas" of India. The upper castes,
Evolutionary theory of the self interact with social and physical environments. It is suggested that the brain performs a complex list of tasks to complete these interactions to distinguish self from other. This defines the brain to be characteristically distributive to complete complex tasks, and thus suggests that the self is also distributive. Therefore, the Evolutionary Theory of the Self detours from the traditional conceptions that include the self being a centralized, unitary mechanism that is both conscious (sense of self) and compiled of a collection of episodic memories. Alternatively, it suggests that the conception of self is mostly unconscious, and the brain evolves from