MeditationResearch, explained

What Decades of Deep Meditation Do to the Mind, Study Finds

Jillian SchaferReviewed by Jillian Schafer··5 min read
What Decades of Deep Meditation Do to the Mind, Study Finds
ShareXFacebookLinkedIn
The short version

A study comparing seasoned Tibetan Buddhist meditators with long-term Transcendental Meditation practitioners found both groups showed changes in similar territory, sensory acuity, perceptual style, and cognition. Despite very different traditions, deep, sustained practice appeared linked to shifts in how people sense, perceive, and think.

At a glance
Field
Meditation
Design
Comparative review
Participants
Advanced meditators
Strength of evidence

You know the people who seem remarkably composed, as if life's turbulence passes through them without leaving a mark? Some of them meditate, and not casually. A study compared two groups of seasoned practitioners from very different traditions to ask what advanced, long-term meditation might change in a person, and whether those changes look similar across paths.

What the researchers wanted to know

The core curiosity here is about the far end of the meditation spectrum. Most research looks at beginners or short programs, but this study turned its attention to advanced stages of practice. It set out to compare practitioners of Tibetan Buddhist meditation with long-term practitioners of Transcendental Meditation programs, two distinct traditions with different techniques, histories, and philosophies.

The underlying question was whether deep, sustained meditative practice produces recognizable changes in how people perceive and think, and whether those changes converge across traditions or diverge along with the methods. Comparing two paths is a clever way to probe whether any shared human effects emerge from very different routes.

How they studied it

This article is the first of two comparing findings from studies of these two groups of experienced meditators, examining the general changes associated with their advanced practice. Rather than training novices from scratch, it looked at people who had already invested substantial time in their respective traditions, allowing the researchers to explore what long-term commitment might be associated with.

The comparative design is the heart of the approach: by placing Tibetan Buddhist practitioners alongside long-term Transcendental Meditation practitioners, the study could look for both the commonalities and the contrasts between what deep practice in each tradition appears to bring about.

What they found

In both groups, the researchers report that "Many parallel levels of improvement were found," spanning "sensory acuity, perceptual style and cognitive function." In plainer terms, that means sharper senses, a shift in how practitioners take in and organize what they perceive, and changes in thinking.

The intriguing implication is that despite the real differences between these two traditions, long-term practice in each seemed to be associated with shifts in similar territory, and the authors note these changes are usually accompanied by "improved health parameters." The precise magnitude of each change, and exactly how it was measured across the two traditions, varies from study to study, so the safest reading is a directional one: advanced meditation across both traditions appeared linked to changes in perception, thinking, and general well-being.

Many parallel levels of improvement were found, in sensory acuity, perceptual style and cognitive function, indicating stabilization of aspects of attentional awareness.

From the study, Hankey, Evidence-based Complementary and Alternative Medicine : ECAM (2006) · read it

What this means for you

Most of us will never reach the advanced stages this study examined, and that's fine, the takeaway isn't a call to renounce ordinary life for years of practice. Instead, it's a broadening of imagination about what sustained practice might offer. If deep meditation across two different traditions is associated with changes in how people perceive and think, it hints that meditation isn't only about momentary relaxation; over time and with commitment, it may shape the very faculties we use to experience the world.

For a beginner, that's an encouraging horizon rather than a prescription. It suggests that whatever tradition or technique appeals to you, consistency over the long haul may matter more than the particular label, and that the benefits people describe from deep practice are worth taking seriously, even from where you stand today.

There's a quiet freedom in that comparison across traditions. If two paths as distinct as Tibetan Buddhist meditation and Transcendental Meditation appear to be associated with changes in similar territory, it eases the pressure to find the one "correct" method before you begin. The more important variable may be simply showing up, again and again, over a long stretch of time.

For a newcomer, that reframes the whole endeavor: rather than agonizing over which style is best, you can choose an approach that genuinely fits your life and then give it the patience it deserves. The far reaches of practice these experienced meditators represent began, after all, with ordinary early sessions much like the ones anyone can start with now.

The honest caveats

The most important caveat is about the kind of work this is: it gathers and compares findings across two meditation traditions rather than running a single controlled experiment, so the described effects should be held loosely, as an early and exploratory picture rather than settled fact.

Studies of advanced meditators also face an inherent challenge: people who have devoted years to intensive practice are unusual to begin with, so it can be hard to separate what practice changed from what drew certain people to practice in the first place. And a comparison at one point in time can't by itself prove that meditation caused any observed differences.

Read this as a fascinating glimpse into what deep, long-term practice might involve, a doorway to curiosity rather than a set of guarantees.

Key takeaways
  • The study compared advanced Tibetan Buddhist meditators with long-term Transcendental Meditation practitioners.
  • Both groups were described as showing changes in areas such as sensory acuity, perceptual style, and cognition.
  • Only a brief summary was available, so treat the specifics cautiously; this is an early, exploratory look rather than firm proof.

Frequently asked questions

What did long-term meditation appear to change?

Both groups were described as showing improvements or changes in several domains, including sensory acuity, the sharpness of perception, as well as perceptual style and cognition. The safest reading is that advanced meditation was associated with changes in perception and cognition.

Why compare two different meditation traditions?

Comparing two paths is a clever way to probe whether shared human effects emerge from very different routes. By placing Tibetan Buddhist practitioners alongside long-term Transcendental Meditation practitioners, the study could look for both the commonalities and the contrasts in what deep practice appears to bring about.

How definitive are these results?

Only a brief summary was available, so the precise nature and magnitude of the changes, and exactly how they were assessed, aren't fully spelled out. The findings are best read directionally: across both traditions, advanced practice appeared linked to changes in perception and cognition.

The original study

Studies of Advanced Stages of Meditation in the Tibetan Buddhist and Vedic Traditions. I: A Comparison of General Changes

Read the full study

This is a plain-English summary reviewed by Jillian Schafer. It is educational, not medical advice.

Turn the science into a daily habit

Selfpause helps you build a simple, research-backed practice, affirmations in your own voice, guided sessions, and more.

Get Selfpause Free

One study, explained simply, weekly

Join the Selfpause newsletter for a research-backed idea you can actually use.