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                                             Marshall McLuhan’s understanding of the media  95
                           term in all that ‘passes through’ them. Although McLuhan was
                           openly critical of Boorstin’s work, believing it subject to fallacy of
                           content analysis (because the true import of media effects relates to
                           the medium and not the message), Boorstin’s concept does help to
                           develop one consequence of McLuhan’s argument – the medium
                           dominates the message.


                           ‘Outering’ the body: media as extensions

                           One significant element introduced in Understanding Media is the
                           central role McLuhan ascribes to the human body. Subtitling his
                           book The Extensions of Man, he argues that it serves as the reservoir
                           from which disparate media are extricated and externalized, and as
                           the locus of their operation (as we shall see this position implies a
                           certain vision of what constitutes the human subject). Let us explore
                           these propositions in turn. McLuhan argues that media technology is
                           an externalization, an ‘outering’ of the various structures of the
                           human body and thus the manner by which the human body
                           extends its influence. While McLuhan was not the first thinker to
                           approach technology in terms of an extension of the human body
                           (see, for instance, Samuel Butler, Ernst Kapp, Marx and Alfred
                           Espinas), he was the first to systematically apply this proposition to
                           media technology and take his conclusions to a wide audience.
                             McLuhan’s ‘presupposition of corporeality’ (Wellbury, in Kittler
                           1990: xiv) was timely. It serendipitously coincided with a growing
                           awareness of the body and its role in culture. During the same
                           period artists and activists began to turn their attention to the body
                           as a terrain to be explored and fought over. This concern with
                           corporeality is inextricably bound to another dimension of McLu-
                           han’s media theory, namely, a suspicion of the human subject. As we
                           have already seen in his analysis of tribal and literate cultures,
                           McLuhan argues that different communication technologies gener-
                           ate different forms of subjectivity. Thus aural culture induced a
                           collective form of identity in which the boundaries between the self
                           and the social were indistinct. In contrast, print culture created the
                           interiority of the private subject. Implicit in this is his assumption
                           that the subject ‘man’ is a reconfigurable assemblage made up of his
                           technologies of communication, and the manner in which they
                           distributed his sensory functions. Media alter the sensory ratios of
                           the human organism, and when these ratio’s change then ‘man’
                           changes, as Blake’s lines, cited approvingly by McLuhan, have it: ‘If
                           Perceptive Organs vary, Objects of Perception seem to vary’ (McLu-
                           han [1964] 1995: 55).
                             The 1960s witnessed much talk of a ‘generation gap’, as youth
                           embraced a lifestyle increasingly incomprehensible to their elders








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