A second major development of the late 1970s and early 1980s was the rise in importance of post-structuralism, which tended to influence the two disciplines strongly, but independently. Its impact was
felt quite differently in each field, and therefore tended to blunt specific cross-disciplinary collaboration.
Within the discipline of anthropology, post-structuralism represented a challenge to traditional
approaches to fieldwork, and undermined accepted notions about the relation between ethnographer and
informant.