A man sat with his eyes closed for forty minutes. Was it practice or was he I just sat for forty minutes - it’s hard to say how it feels. Especially at the beginning when your own scale has not yet been calibrated and any silence seems deep.
EEG answers this question. Not to all questions, but to important ones - and below is exactly what how this is done, with and without promises that the device does not keep.
Below in the text the same indicators are constantly mentioned - and it is they, not a story about practice is your tool for scientific verification. Body care is not proven sensations, but is fixedshifting these indexes relative to your base. We collected them in one table. All EEG rhythm values are normalized by the manufacturer from 0 to 1 (sum ≈ 1.0): if one stripe grows, others give way to it.
| Metrics | What is this | When diving |
|---|---|---|
| Alpha (8–13 Hz) | Rhythm of active inhibition of the cortex. It rises with closed eyes, when attention stops clinging to the external. | growing (+49%) |
| Beta (13–30 Hz) | The rhythm of cognitive processing and the internal commentator. The “voice in the head” goes away when it subsides. | falls (−40%) |
| Theta (4–8 Hz) | The rhythm of memory, intuition and transitional states. We have a drowsiness marker: when deepeningis silent. But for experienced practitioners, theta is higher at a basic level, and with certain preparation, it can dominate at certain moments - this is not dormancy, but a different mode of operation. | falls (−49%) |
| SMR (12–15 Hz) | Sensorimotor rhythm: the body is motionless, but the brain is awake (“calm body, clear mind”). The channel closest to contact with the body. | moderate |
| Relaxation Index | Simple Alpha/Beta ratio. Quick indicator of "relaxed or tense". > 2.0 - peace. | jump ×2–3 |
| Concentration Index | Reverse: Beta/Alpha. It falls when attention ceases to be a directed beam. | collapses ×3 |
| HR/SI Baevsky | Pulse and voltage index of regulatory systems according to HRV. Baevsky is built onevennessrhythm, not beat frequency. | pulse is more regular |
| Stress Index | Raw proprietary value on pulse metronomy. It grows from both tension and depth—you can’t call it “stress.” | grows (trap) |
In parentheses are the medians for our 8 deep sessions: the top five lines have shiftedwithout a single exception (8/8), the bottom two (“Alpha Gravity” and pulse) walk almost like a coin. We rely only on those that everyone agrees on.
Did the body let go and did the internal dialogue calm down? How deep the person left, how many minutes it took to get there, how long he lasted, and how smoothly.
Where is attention directed? Body, breath, emptiness, mantra - device does not distinguish them. It shows not the address of attention, but the result.
This is not a flaw, it is a device of the method. Contact with the body is measured according to the following: when attention really goes into the body, the body lets go, and thinking subsides - and This is clearly visible.
The device writes a line every 30 seconds. Nothing smoothed out, no interpretation - Here is a fragment of a real recording around the moment when a person went into the depths. Lines after entry are highlighted.
| Minutes | Relaxation Index | Alpha | Beta | Theta | Heart Rate | Stress Index |
|---|---|---|---|---|---|---|
| 1m | 0 | 0.67916 | 0.15618 | 0.09743 | 72.7913 | 95.1436 |
| 1m | 0 | 0.69033 | 0.10816 | 0.13586 | 71.8118 | 123.752 |
| 2m | 0 | 0.57772 | 0.16211 | 0.18985 | 71.3749 | 192.9 |
| 2m | 2.66028 | 0.43188 | 0.13041 | 0.16059 | 72.9175 | 219.885 |
| 3m | 1.99876 | 0.23686 | 0.09462 | 0.18362 | 88.5391 | 68.0355 |
| 3m | 1.49624 | 0.13882 | 0.07189 | 0.15311 | 82.9704 | 51.842 |
| 4m | 2.15238 | 0.41441 | 0.21156 | 0.28426 | 77.3127 | 35.8973 |
| 4m | 3.37423 | 0.48565 | 0.16437 | 0.28269 | 73.6632 | 36.8032 |
The same session in its entirety. You can see how in the sixth minute everything shifts at once: alpha goes up, beta and theta go down.
This is one entry. To understand whether this is a pattern or a coincidence, we compared each recording contains two points: the first three minutes (the person just sat down) and the deepest a five-minute segment of the same session.
| indicator | base | depth | shift | it came together |
|---|---|---|---|---|
| Alpha | 0.48 | 0.74 | +49% | 8 / 8 |
| Relaxation index | 2.43 | 6.74 | +210% | 8 / 8 |
| Beta | 0.22 | 0.12 | -40% | 8 / 8 |
| Theta | 0.17 | 0.09 | -49% | 8 / 8 |
| Concentration index | 0.58 | 0.18 | -70% | 8 / 8 |
| Alpha gravity | 1.07 | 1.19 | +4% | 4 / 8 |
| Pulse | 73.4 | 70.6 | -5% | 5 / 8 |
Alpha is growingalmost one and a half times - the main rhythm of a calm wakefulness with eyes closed rises when attention stops clinging for the external.Beta is falling— the internal commentator leaves.Concentration collapsesthreefold: attention ceases to be directed beam. Separately about theta - when immersed in silence, itfallsdoubled. It will become clear below why this is important.
Select the “deepest section” and compare it with the beginning - a procedure that in itself increases the result. We checked: if you don’t take the best window, and the middle of the session or the last five minutes, the numbers are the same - alpha +81%, +78% and +79%. This means that this is a shift in the entire session, and not a well-chosen segment.
The download contains the Stress Index. When diving hedoubles in size— median shift +108%. Literally reading: the deeper the practice, the greater the stress. Absurd, but the number is real.
We figured out what he thinks. The index is based not on the pulse value, but on itsevenness: The more monotonous the intervals between beats, the higher the number. In ordinary life this works - under tension the rhythm turns to stone.
But in deep practice, the rhythm becomes metronomic in exactly the opposite way. reason: the body is motionless, the breathing is even, nothing twitches outside. In this post the heart rate spread narrowed from 2.6 to 0.7 beats, and the Stress Index increased from 124 to 367. The pulse became smoother and the index increasedsimultaneously in five out of six records.
Column title is not a description what it measures.The device does not distinguish between these two cases: at its input they look the same - even rhythm. Same picture, opposite reasons. We do not use this column to evaluate practices.
All three walk with their eyes closed, and the device distinguishes them.
Leaving into the void: no object, no body, no thoughts. We count according to seven signs simultaneously every minute: alpha rose, beta fell, relaxation increased, concentration collapsed, the background calmed down, alpha shifted to the front -and theta is silent. Signs are multiplied, not added: failed one - the index falls. A relaxed body with a working mind is not Nothing.
The depth is the same, there is one difference: attention does not dissolve in emptiness, but maintains contact with the body. It has gone deep and the regulation signal is holding - contact. Gone deep and the signal fell - slipped into Nothing, that is, I wanted one thing, but it turned out something else.
Descent to the threshold of falling asleep, from where the images and feeling of falling come. Metrica It is calculated directly from two bands - theta divided by alpha. Crossover starts from 1.0, We consider stable from 1.15, above 2.2 - it’s already a dream or an artifact.
Same axis, but MPE treats theta as interference and ATS as target. Rising theta c Nothing means that a person did not go deeper, but floated into slumber. In ATS it means that the descent is going correctly. That's whyDrema is the main impostor for both practitioner: it feels almost indistinguishable from the depths, both there and there are quiet, heat and time disappears.
Above, we honestly said: the device does not distinguish,Whereattention went into the body, into emptiness or to a mantra. MPE (void) and V-MPE (body) look identical according to EEG: alpha rose, beta and theta fell, Relaxation Index rose. The difference between them is - whether attention maintains contact with the body does not lie in raw signals. Equipment wearable hoop (no central leads, no beat ECG) direct interoception doesn't measure. This is not a hole in the method - it is the edge of the device, and we are not hiding it.
The solution is not to “think out” the address of attention from brain rhythms, butenter phenomenology of living as an independent object of measurementand triangulate it with physiology. The scheme we use:
Three streams are combined into a composite indexMNPI(Multidimensional Neuroplasticity / self-regulation Progress Index). Phenomenology enters into it as separate subindexPI (Phenomenological Index)- structured LLM-assessment of self-reports on a fixed 5-criteria scale. Exactlycoincidence independent channels- and not any of them separately - allows us to say, that the person went into the body, and not into the void.
And most importantly: MNPI is built aslongitudinalindex, that is, every day it falls point on one time axis. By the difference between today's and baseline values (ΔMNPI) you see not onlyWhatthe method does to the brain, but alsoat what speed: how many weeks did it take for the Relaxation Index to reach a plateau, when concentration collapsed, how quickly the nocturnal vegetative flow was restored. The speed of restructuring is what distinguishes a working method from random enlightenment.
The MNPI is not a neuroplasticity measure per se and does not claim to be one. status. The relationship between its longitudinal shift (ΔMNPI) and neuroplasticity -working hypothesis, which we are checking, not an established fact. Neuroplasticity is only inferred indirectly, as ΔMNPI within one person over time (N-of-1), and undergoes convergent validation against 12 psychometric instruments. One session of neuroplasticity is not shows only the dynamics over days and weeks.
A separate layer of the same measurement is what happens when attention does not just “go into body" in general, anddirected to a specific organ: heart, breathing, stomach. The EEG sees little here (frontal electrodes do not pick up visceral signals), but the fitness tracker and PPG sensor show the body's reaction directly. This is not a guess - this is what goes into the metrics heart rate variability (HRV).
The mechanics are simple. When you shift your attentiononorgan - for example, on the heart - the nervous system responds instantly: breathing adjusts to the sensation, heart rate changes the pattern, the periphery responds with an influx. In the data it looks likesplash indicators to the top levelat the moment of capture of attention: growsSDNNAndvariation range (MxdMn)— spread between the longest and shortest cardio interval, comes to liferespiratory sinus arrhythmia (RSA)- pulse starts “breathe” in rhythm with the chest, jumpsperfusion index(pulsation strength at the sensor location). Perfusion is generally the most sensitive marker of local inflow: when attention actually “turns on” to the organ, the blood flow in the tissue changes, and the device records this.
And then - the main thing that distinguishes contact from simple curiosity. When contactis installedand is maintained, the indicators do not go off scale, butreach a stable upper level and hold: RSA remains flat, SDNN stabilizes in the parasympathetic zone, Baevsky’s SI (stress index) slides down - the body switched to the “calm body, clear mind” mode. That is, the curve is not peak-and-back, and peak-and-plateau. It is the retention of the plateau, and not the jump itself, that says that a person is truly “took” the organ, and did not just jerk attention.
This is the very “phenomenology visible in the body”: your audio self-report (“I hold my heart, it is warm, smooth”) lies next to the HRV curve, and the coincidence of the two channels is phenomenology and physiology - again summarized in MNPI. So focusing on yourself ceases to be a metaphor and becomes measurable event: switching → surge → contact plateau.
Our sample of 631 entries is a pilot, and we write this openly. But the direction in which we measure, not our invention: it relies on established lines of neuroscience of the past years Let’s list the key ones so that it’s clear where our data stands in the field and where it rests into the ceiling of the equipment.
The general conclusion is simple: neuroscience confirms that focusing on the body is a measurable state, but a full measurement requires either laboratory equipment (HEP, central leads, ECG), or - like ours - an honest combination of objective channels with phenomenology. Some consumer rhythms provide depth and relaxation, but not address. This is why all our designs are built around the MNPI, rather than around a single EEG waveform.
Each session is broken down into four facets - individually, not with one score. The overall score hides exactly what you need to know.
Before reading the numbers, you need to make sure that the record is valid.
Night recovery and sleep from the tracker. Practice affects not only those twenty minutes that a person sits, and the next night is the most sensitive indicator.
Summary: how many practices took place, how many were missed, median across four edges.It is necessary to record omissions— their dynamics speak about the program no less than the numbers of the sessions held.
Validated before and after questionnaires. Not homemade scales: if the result should have weight beyond your audience, you need tools that someone already validated.
Equipment.Wearable EEG NEIRY with frontal location of dry electrodes and stationary capsule from the same manufacturer. There are no central leads There is no ECG for individual strokes.
What kind of indicators?Alpha, beta, theta in unloading - not absolute power in µV², and the values standardized by the manufacturer are 0–1. Relaxation index, concentration index, alpha gravity - proprietary composites, formulas are not disclosed. We work with them as reproducible quantities, and not as physical ones: We compare a person with him using the same device. Indexes of the same name between devices differ by 2–3 times.
Sample.8 recordings of deep sessions; total database - 631 records EEG. The direction of the shifts is unambiguous, but this is a pilot, not a population norm.
Artifacts.Lines that are completely missing are automatically rejected signal and calibration section at the beginning of capsule recordings. Separate rejection no muscle artifacts - this is a limitation: frontal electrodes are voltage sensitive forehead and jaw, and this contribution falls into the beta range.
Which we do not claim.That the device distinguishes the object of attention. That the scores are comparable between people. That this sample is enough for the norm. That proprietary indices have a direct physiological meaning.
How to connect channels.Brain (EEG rhythms and indices), body (HRV according to Baevsky from a fitness tracker) and phenomenology (audio self-report of the participant) are combined into a composite index MNPI. This is not a “neuroplasticity meter” - the relationship of its longitudinal shift with neuroplasticity we test it as a working hypothesis. But it is MNPI that allows you to see the method as a single process: how a shift in phenomenology (PI) coincides with a shift in brain rhythms and autonomic background - and at what rate it accumulates day by day.
Direct measurement of interoception - cortical response to individual heartbeats and rhythms over the sensorimotor cortex - requires equipment that There are no wearable hoops. Closest work to the topic: Harvard Meditation Laboratory, 2025, experienced Vipassana practitioners. The hoop confirms the depth and stability of the state; the attention address is confirmed by other equipment, and we test this path separately.
Participants’ data is anonymized, only aggregated indicators are published. Graphs and tables are collected from the original downloads automatically.
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