Lectures are often conceptualized in terms of information transfer. Science and mathematics professors tend to talk about using lectures to "get information across' and about how much their students do or do not "get" the main points of a lecture.
Hwang, S.W. , Roth, W. (2011)., Lectures as corporeal performances, in S. W. Hwang & W. Roth (eds.), Scientific & mathematical bodies, Dordrecht, Springer, pp. 39-56.
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