Perceptibility

1. The initial finding

For years, I have been listening to people who present themselves with the same word: hypersensitive. They have read it, they have been told it, they have recognised themselves in it — and the word has led them nowhere. It describes what they endure: the fatigue on contact, the emotional submersion, the feeling of picking up too much and being able to do nothing with it. It says nothing about what produces it.

That is the central problem, and I have formulated it thus in my writings: hypersensitivity names a consequence, without shedding light on the mechanism that produces it. Now a word that names the effect while taking it for the cause settles the person into managing the effect. One learns to adapt — avoiding crowds, limiting contact, protecting oneself — and one can spend an entire life there without the question of the cause being asked a single time.

This report asks that question, and proposes an answer built in the field.

2. The method

Three sources feed this work, and they must be described precisely, because the value of what follows depends on what they really are.

The first is my practice. I have been observing and analysing this phenomenon for years, and I have documented it in writing since 2013 — texts, personal observations, consultation notes. This corpus now counts several hundred documented accompaniments, whose systematic analysis was carried out file by file: the spontaneous vocabulary of the people received, the reasons for consulting, distinctive markers, trajectories across several appointments.

The second is the public field. Each year, at the public Rencontres I hold in France, Belgium and Luxembourg, I talk with thousands of people. These exchanges do not have the depth of an accompaniment, but they have the volume: the same description returns, in the same terms, in rooms that do not know one another.

The third is the convergence of the two. What a deep practice shows in detail, the field confirms in numbers. It is this convergence, and not either source in isolation, that authorises the formulations of this report.

One point of method must be stated at once: this is a work of observation and synthesis, not an experimental study. The final section returns to this.

3. The mechanism: the vessel and the river

Here is the model to which these years of observation have led me. It holds in one image, and this image explains what the word hypersensitive leaves in the shadow.

Every human being receives a flow of information: what the senses report, what the atmosphere of a place gives off, what the state of a person lets through before any word. And every human being has a processing capacity for this flow — let us call it the vessel. The decisive point is this: the vessel is substantially the same for everyone. What varies from one person to another is the rate of flow.

In most people, the flow is a trickle of water. The vessel contains it without effort, everything is processed, the load is low. Nothing to report.

In some, the flow is a river. The same vessel receives far more than it can process — and it overflows. Now a system that overflows does not sort at random: it saves, as a matter of urgency, what is essential to survival — that is, the alert. The tension rising, the mood turning, the possible danger. The neutral and the pleasant, for their part, are lost in the overflow — not because they are not perceived, but because they are not a priority for a saturated system.

This mechanism explains at a stroke three findings that the field repeats tirelessly.

First finding: the people concerned pick up above all the negative. It is not that the world sends them more negative than it sends others — it is that the overflow saves only that. The flow is not negative; the emergency sorting is.

Second finding: they exhaust themselves in situations that cost others nothing. A meeting, a family meal, a waiting room. The vessel of others receives a trickle; theirs receives a river, and overflows for an hour.

Third finding: the emotional state ends up giving way. Permanent submersion produces fatigue, instability, diffuse anxiety — the state that our era names hypersensitivity. The state is real. But it is a state, not a nature: the consequence of an unmastered flow, not a defective way of being.

And the practical conclusion of the model holds in one sentence: one does not reduce the river — one learns to master it. The capacity for perception cannot be suppressed, and there is in any case no reason to want that. What can be learned is the processing: distributing, ordering, prioritising, so that everything passes without anything overflowing.

4. Perceptibility and hypersensitivity: the founding distinction

I introduced the terms perceptive and perceptibility to name what everyday vocabulary confuses. The distinction follows directly from the mechanism.

Perceptibility is the function: a heightened receptivity, a natural capacity of human consciousness to pick up more information than average — through the senses, through emotion, through intuition, sometimes through informational channels. It is neither a gift, nor an anomaly, nor a belief: it is a human function, unequally distributed as all human functions are.

Hypersensitivity is the state of this function when it is not mastered: the emotional submersion produced by the overflow. It is a painful state, real, and transitory by nature — since it depends on the processing, and the processing can be learned.

To confuse the two is to tell a person that they are what they endure. The distinction gives each its rightful share: the function on one side, the state on the other — and between the two, a possible work.

5. The sentinel mechanism

The overflow explains the sorting. It does not yet explain why, in many, perception is trained so exclusively on others — their needs, their tensions, their sadness — to the point that the person picks up everything of the world and nothing of themselves.

Here a second mechanism intervenes, which the observation of trajectories makes visible. When a person has lacked, in their upbringing, the attention and affection that found the sense of self-worth, an inner rule is built very early: I exist by serving others. Perception, already broad, then places itself entirely in the service of this rule. It watches others permanently — to anticipate, to defuse, to make itself useful — because that is how existence justifies itself.

I call this profile the sentinel: posted one day, long ago, to watch over what had to be watched, and never relieved of its guard. The sentinel does not observe — it scrutinises. Anyone can, moreover, feel the difference between these two gazes in one minute: looking at a room and letting the changes register by themselves costs almost nothing; fixing on an object in order to understand it entirely consumes, tenses the body, narrows the field. The sentinel lives in the second gaze, permanently, on everything.

Two mechanisms then combine: the overflow, which saves only the negative, and the saviour orientation, which looks only at others. The result is the most frequent picture in my practice: a person who picks up the sadness and tensions of the entire world, nothing of themselves, and who exhausts themselves without understanding why — they have, after all, done nothing. But they have: they have fixed, on everything, without respite.

An important point of observation, which the documented trajectories confirm: the presence of a difficult history is not what separates endured perception from mastered perception. Most of the genuinely perceptive people I have accompanied carry such a history. What separates them is the displacement: in some, perception has remained in the service of the alarm system; in others, it has freed itself from it — the same original experience, two outcomes. It is the current state of the processing that counts, not the history.

6. An operational terminology: the PPA

To situate this phenomenon in an observable way, I use the term PPA — Person with Heightened Perception. It is the notion of perceptibility, as I introduced and developed it in my writings, brought back to what can be situated and observed: a flow that exceeds the ordinary rate, whether that perception is still endured or already mastered.

The definition is deliberately broad on this last point, and that is essential. PPA designates neither a state of success nor a state of suffering: the term covers the exhausted sentinel as well as the structured perceptive person, because both receive the same river. What distinguishes them is not the quantity received — it is the mastery of the processing. A PPA is therefore not a label to wear: it is a starting position, from which the useful question can at last be asked. Not “am I hypersensitive?”, but: where does my processing stand?

7. The four profiles

The cross-observation of flow, processing and state makes it possible to situate four profiles. They are not categories of people — they are positions on a path, and one passes from one to another.

The endured perception. The river overflows, emergency sorting rules, perception functions as an alarm: triggered by tension, oriented towards threat, impossible to put at rest. It is the state that the word hypersensitive describes without explaining. The cost is high — fatigue, anxiety, repercussions on those close to you — and it is with the cost that one must begin, including, when it weighs heavily, with a medical opinion: nothing in this report is a substitute for health care.

The open perception, not yet mastered. The most frequent profile among those who begin a work: something has opened — perception also comes in calm, on contents that do not concern the person — but mastery has not followed, and the cost remains real. The documented trajectories show that this is a normal intermediate state: opening and mastery are two stages, and the first almost always arrives without the second.

The mastered perception. The same river, distributed and contained: perception lets itself be summoned cold, on the neutral, and rests when one decides. This profile is infrequent, and its clearest marker is the rarest of all in my observations: the capacity to close voluntarily, then to reopen. Almost all ask to acquire it; very few already have it.

The absence of notable signal. Neither marked perception, nor cost: the trickle of water in the vessel. It is not a defect, and a grid that finds something in everyone finds nothing in anyone — this profile exists, and saying so is part of rigour.

The Centre’s test, “Are you perceptive?”, applies this grid: it situates the flow, the processing and the state from the person’s answers alone, at a given moment, and without diagnostic value. It is the practical application of this report, not its proof.

8. The way out: mastery can be learned

If the state of hypersensitivity is the consequence of an overflowing processing, then the way out passes neither through the reduction of perception — impossible and not desirable — nor through defensive adaptation, which manages the effect without touching the cause. It passes through the learning of the processing, and two levers lead there, which the observation of trajectories brings out with constancy.

The first is curiosity. As long as perception serves protection, it remains trained on threat and the mind remains in fixation. The reversal begins when the person starts to explore their feelings in order to understand — quietly, when nothing obliges them to. Curiosity is the exact opposite of survival sorting: it reopens the processing beyond threat. In the follow-ups, this shift in the relationship to perception — from survival tool to instrument of knowledge — regularly precedes the settling.

The second is the re-education of values. The sentinel’s inner rule — I exist by serving — is not undone by will: it is undone by the understanding of what should have founded it. Understanding the role of the father and the mother in one’s origin, as principles and not as persons who may have failed, makes it possible to rebuild the inner rule at its root. Perception then ceases to serve the alarm, because existence no longer needs it to justify itself.

Two levers, a single movement: perception changes orientation, the river distributes itself, and what was endured becomes available.

There remains the question of the means. How does one reach reactions that, precisely, escape voluntary control?

It is here that these years in the field authorise me a finding: the clearest improvements I have observed in PPAs have come from directed suggestion in the hypnotic state. The reason is structural. The sentinel’s reactions — the emergency sorting, the fixation, the inner rule — are not choices: they are automatisms installed in the unconscious, and an unconscious automatism does not let itself be corrected by the conscious level, which has no access to it. The will fails not through weakness, but through a wrong address. Directed suggestion, for its part, works at the level where these reactions are installed: it makes it possible to re-educate them where they live.

I speak deliberately of re-education and teaching, not of accompaniment. One does not accompany a function — one educates it, as one educates reading or reasoning. The process follows three stages, in this order, because the order counts. First, deactivate and understand: identifying the uncontrolled reactions, undoing their charge, grasping what installed them. Then, learning to master one’s mental states — this is the heart of the work, and the longest. Finally, training: perception first, the mind next, through regular follow-up, because a function re-educated without training returns to its automatisms.

Nothing in this process belongs to care in the regulatory sense, and it is not a substitute for it: it is a teaching of the mastery of a human function, within the complementary field described at the end of this report.

In the documented trajectories, this passage can be read in the words themselves: fear, anguish and enduring disappear from the accounts; calm, control and quiet strength appear — and perception, for its part, does not diminish. It ceases to frighten.

9. Limits of this work

This report is a work of observation and synthesis, carried out by a practitioner on his own ground. What that implies must be stated precisely.

The observations come from people who have consulted or met me — a public that is already asking itself the question of its perception, which is not a sample of the general population. The notes analysed are mine: the voice of the persons passes through my listening and my pen. The long trajectories, the most telling, are the least numerous. And none of the formulations of this report has been the object of a controlled experimental protocol: the mechanism of the vessel and the river is an explanatory model built on the convergence of observations, not a fact demonstrated in a laboratory.

This report has no diagnostic value. It makes it possible neither to recognise nor to rule out any disorder, and the approach it describes belongs to a complementary field of observation and perceptive structuring: it replaces neither a diagnosis, nor medical, psychological or psychiatric treatment. When the state weighs — sleep, exhaustion, anguish, dark thoughts — the opinion of a health professional comes before any work of structuring, and the Centre systematically directs people that way.

These limits are not concessions: they are the condition for the rest to hold. These years in the field give the right to propose a model; they do not give the right to declare it proven. I propose this one because it explains, better than any other I know, what I have been observing for years — and because everyone can verify the part of it that concerns them: their own.

Conclusion

Hypersensitivity is not a nature. It is the state of a function — perceptibility — when its processing overflows. The river is not the problem; the overflow is, and the overflow can be worked on. What these years of observation authorise me to affirm holds, in the end, in few words: the quantity of perception decides nothing — the structure that organises it decides everything. And that structure can be learned.

M. Mischa Harmeijer
I see the invisible. I explain it rationally.
Founder of the Centre EPÉU