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With the arrival of electric technology, man extended, or set outside himself, a live model of the central nervous system itself. To the degree that this is so, it is a development that suggests a desperate and suicidal autoamputation, as if the central nervous system could no longer depend on the physical organs to be protective buffers against the slings and arrows of outrageous mechanism.
Marshall Mcluhan
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Interpretation

What this quote means

This quote reflects on how electric technology has disconnected humanity from its physical roots, leading to a potential self-destructive reliance on machines.

Marshall McLuhan discusses the profound impact of electric technology on human existence, suggesting that it acts as an external model of our central nervous system. He warns that this transformation may be akin to a self-destructive severing from our biological foundations, where technology diminishes our reliance on physical organs that traditionally safeguard us from the challenges of life.

Themes

TechnologyNervous SystemElectricHumanityDisconnection

In practice

Example use cases

In a lecture on the effects of technology on society, one might use this quote to illustrate the depth of our dependence on machines.

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