I read the first section of this one at the plant during the slow stretch of a graveyard shift, over maybe two weeks, and I was completely locked in. McGilchrist’s basic claim is that the left and right hemispheres don’t just handle different tasks, they attend to the world in fundamentally different ways, the left grabbing and narrowing things into fixed categories, the right holding context and ambiguity and the whole living picture, and once you have that frame you start seeing it everywhere, in how a bureaucracy processes a person versus how a neighbor does.
Then the second half arrives, the historical sweep through art and philosophy and civilization arguing the left hemisphere has been quietly winning for centuries, and that’s where I slowed down considerably. It’s not that the argument falls apart, it’s that it takes on almost too much at once, and the conclusions get a little hasty and patchy in stretches where the neuroscience thins out and the cultural theorizing thickens. I’d call it extraordinary as a description of how our left and right brain interoperate, less airtight as a theory of the last two thousand years of Western civilization.
Worth knowing going in that this book asks a lot of your attention and doesn’t apologize for it, dense, technical in places, genuinely difficult if neuroscience isn’t already a hobby of yours. I don’t regret a page of the difficulty. Even where I think McGilchrist overreaches, the central message stays intact and it’s a radical one, that the tool we use to think with is quietly shaping what we’re even capable of noticing. I plan on finishing the second half properly on a future set of nights instead of skimming it, which tells you how much of my attention it earned the first time through.