BrAInwaves and Bookmarks19 Sep 2025

Enlightenment to Romanticism

In this episode, the historical pendulum swings once again with traumatic force. We explore how the Reformation's backlash set the stage for the Enlightenment, which Iain McGilchrist describes as the absolute apotheosis of the left hemisphere.

We delve into McGilchrist's critical distinction between holistic, intuitive reason (a right hemisphere quality) and the rigid, mechanical, abstract rationality that came to define the age. This new worldview, driven by a need for certainty and control, had bizarre cultural side effects, from demanding that Shakespeare's King Lear be performed with a happy ending to giving us the blueprint for the modern bureaucratic state in Jeremy Bentham's Panopticon.

This mechanistic worldview then literally builds our world during the Industrial Revolution, creating a "hall of mirrors" where the man-made environment of factories and grid-like cities perfectly reflects the left hemisphere's own fragmented way of seeing.

But this overreach provokes a passionate rebellion. We dive into Romanticism, the fiery right-hemisphere-led movement that desperately sought to rediscover everything the Enlightenment had paved over: intuition, the body, a connection to nature, and a sense of the sublime. We see this in the awe-inspiring landscapes of J.M.W. Turner and the prophetic visions of the poet William Blake, who championed the "human imagination" as the divine spark within us.

This sets the stage for the central conflict of our modern age: a world where the Romantics may have won the battle for art and poetry, but the left hemisphere's world of technology and bureaucracy was busy winning the battle for everything else.

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