We’re laying out the latest science of what meditation does to your mind. The better we understand the common mechanisms across how different meditation practices affect the mind, the more meditation science can contribute to broader understandings of human psychology.

This was first published in More to Meditation

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More relevant for us non-scientists, we’ll get better at developing and fine-tuning styles of practice that can help us get the most out of whatever we’re looking for in taking up meditation. (It’s possible, after all, that there are improvements to be made on the instructions we received a few thousand years ago.)

There’s a lot to get into here, but if you walk away from this with anything, it should be that in the past few years, a breakthrough has begun sweeping across meditation research, delivering science’s first “general theory of meditation.” That means very exciting days — and more to the point, scientifically refined meditation frameworks and practices — are not too far ahead.

Don’t we already know what meditation is?

Over the last decade or two, the rise of mindfulness-related practices as a profitable industry has spread the most accessible forms of meditation — like short, guided stress-relief meditations, or gratitude journals — to millions of Americans.

Which is great — basic mindfulness practices that help us concentrate on the present are both relaxing and useful. But as psychotherapist Miles Neale, who coined the term “McMindfulness,” writes, if stress relief is all we take meditation to be, it’s “like using a rocket launcher to light a candle.” Some meditation practices can help ease the anxious edges of modern life. Others can change your mind forever.

One way to pursue happiness is to try and fill your experience with things that make you happy — loving relationships, prestige, kittens, whatever. Another is to change the way your mind generates experience in the first place. This is where more advanced meditation focuses. It operates on our deep mental habits so that well-being can more naturally arise in how we experience anything at all, kittens or not.

But the deeper terrain of meditation is often shrouded in hazy platitudes. You may hear that meditation is about “awakening,” “liberation,” or jubilantly realizing the inherent emptiness of all phenomena, at which point you’d be forgiven for tuning out. Descriptions of more advanced meditation often sound … weird, and therefore, inaccessible or irrelevant to most people.

Part of my hope for this course is to change that. Even if you don’t want to join a monastery (I do not), there’s still a huge range of more “advanced meditation” practices to explore that go beyond the mainstream basic mindfulness stuff. Some can feel like melting into “a laser beam of intense tingly pleasurably electricity,” and ultimately change the way you relate to pleasure, like the jhānas. Others, like non-dual practices (which I’ll get into later), can plunge you into strange modes of consciousness full of wonder and insight that you might never have known were there.

Which might leave you wondering why it’s mindful relaxation that gets all the attention. For one thing, there’s how much time we imagine deeper meditation practices will take — we’ll get into that later in this course. Another obstacle blocking advanced meditation’s path into the mainstream is that a critical mass of Americans aren’t exactly itching to become full-on Buddhists. But if you turned to science instead of religion for guidance on these meditation practices in the past few decades, you’d mostly find a bunch of scattered neuroscience jargon that doesn’t all hang together.

Buddhism can paint a really elaborate picture of what’s going on with meditation, with ancient models of meditative development still being used today, like the four-path model. Science has struggled to do the same. We know some interesting but scattered things: Meditation makes parts of your brain grow thicker. It changes patterns of electrical activity in key brain networks. It raises the baseline of gamma wave activity. It shrinks your amygdala.

The problem, as Shamil Chandaria, a senior research fellow at the University of Oxford’s Center for Eudaimonia and Human Flourishing, put it to me, is weaving it all together into a story that shows us the big picture. “In terms of all these neuroscience results,” Chandaria said, “there’s this problem of what does it all mean?”

In a pivotal 2021 paper by cognitive scientists Ruben Laukkonen and Heleen Slagter, that big picture — a model of how meditation affects the mind that can explain the effects of simple breathing practices and the most advanced transformations of consciousness alike — finally began coming together.

A general theory of meditation

Let’s start with plain language. Think of meditation as having four stages of depth, each with a corresponding style of practice: focused attention, open-monitoring, non-dual, and cessation.

Near the surface,“focused attention” practices help settle the........

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