The routine of daily life, in which things have their familiar place and order (right hemisphere), can dull things into what Heidegger called inauthenticity (left hemisphere), through the very weight of familiarity
McGilchrist maps Heideggerian inauthenticity onto left-hemisphere dominance, wherein the conceptual re-presentation of things supplants their lived, right-hemisphere encounter.
, The Master and His Emissary: The Divided Brain and the Making of the Western World, 2009thesis