Mentavo
The message hasn't been opened yet – only the sender's name is visible – and the shoulders have already risen.
The thought arrives afterwards: "Right, that was still unresolved."
That order of events isn't unusual. Physical changes often occur before anyone can name what is going on. What can be read from them, though, is less clear-cut than it feels.
Why the body is often quicker
There's a practical reason a situation gets registered before it gets thought through: a fast, rough appraisal costs less time than an accurate one.
So breathing, muscle tension or heart rate can shift while the situation is still unclear. What results isn't a statement about the situation – it's a response to something that stood out.
In daily life this is mostly noticed in retrospect. Someone registers in their neck that the day was demanding – not during it, but when they finally sit down in the evening.
What interoception refers to
Research groups the perception of internal bodily processes under the term interoception: heartbeat, breathing, the stomach, tension, temperature.
Two things about it matter for everyday life.
First, people differ substantially in how precisely they register these processes. That isn't a question of character – it's a perceptual capacity, much like hearing or smell, with a comparable spread.
Second, how good someone believes they are at reading their own body and how accurate they actually are often come apart. Being convinced you read your body well is not itself evidence that you do.
That isn't a reason to ignore bodily perception. It's a reason to draw conclusions from it carefully.
One sensation, several possible causes
Ambiguity is the central difficulty.
A raised heart rate doesn't mean fear. It means the heart rate has risen. Candidates include excitement, anticipation, coffee, a flight of stairs, too little sleep, an overheated room, or some combination.
The interpretation usually comes not from the sensation but from the context it's noticed in – and context can mislead.
| What you notice | The quick reading | Other plausible causes |
|---|---|---|
| Tightness in the chest | "I'm dreading this conversation" | shallow breathing, hunched posture, exertion |
| Heavy legs in the afternoon | "I'm unmotivated" | a short night, hours of sitting, a large lunch |
| A hollow feeling in the stomach | "This is a bad sign" | hunger, nerves, anticipation |
The distinction mirrors the one the piece on thought or fact draws for thoughts: the observation is one thing, the explanation another.
Separating noticing from interpreting
The useful question in practice is less "what does this mean?" and more "what exactly is here?"
A description without interpretation sounds unremarkable, which is precisely what makes it usable: where in the body, how strong, since when, in what circumstance. Only then is it worth asking about possible reasons – in the plural.
The difference shows up in an example:
- Interpreting: "I'm stressed."
- Describing: "Tightness between the shoulders since lunchtime, shallow breathing, more noticeable sitting than walking."
The second version keeps more possibilities open – and is recognisable the next time it appears.
What the somatic marker hypothesis says – and what's open
There's a well-known model for the link between bodily states and decisions: the somatic marker hypothesis. It proposes that bodily states shape decisions by colouring options in advance, before deliberate weighing begins.
The model has been influential and, for years, contested. Criticism concerns among other things how the central experiments should be interpreted and how far the findings generalise.
For everyday purposes: the idea that a bodily signal "knows" a decision before the mind does is a hypothesis, not a demonstrated mechanism. That bodily states are involved in decisions at all is far less controversial.
A similarly mixed picture applies to related topics, such as the science of intuition.
Three moments where looking helps
Before a decision
Not to let the body decide, but to notice that one option produces resistance. That doesn't replace weighing it up – it adds a data point that usually gets skipped, as the piece on the space between decision and certainty describes.
When gauging strain
Exhaustion tends to be acknowledged mentally only once it's undeniable. Physical hints usually arrive earlier. That's also the subject of you're not lazy.
After conversations
That an interaction cost energy often shows up physically before it's put into words – something the piece on social energy picks up.
When looking becomes too much
Body observation has a downside: constant attention to your own body means noticing more – and interpreting more.
Every body produces a steady stream of sensations that mean nothing. Check them all and you will inevitably find some that are unsettling. At that point the attention produces exactly the tension it set out to measure.
A workable measure is occasional rather than continuous: a brief look at set moments, not ongoing monitoring. Where the line between reflection and constant surveillance runs is covered in when self-reflection turns into self-monitoring.
What becomes visible across weeks
A single bodily signal says little. Recurring combinations say more – but only once they've been recorded over a longer stretch.
Writing down how a day went and what stood out physically produces, after a few weeks, a basis independent of today's mood. In Mentavo, body signals can be recorded as an optional part of a check-in, alongside mood and tension.
That makes it possible to see what frequently occurs together. What counts as a pattern and what is coincidence is separated in pattern or coincidence.
What this article doesn't claim
Bodily sensations are not a diagnosis and not a reliable pointer to any particular cause. This piece does not claim the body "knows the truth" – it describes an early, ambiguous source of information.
Nor is any of this a way to treat symptoms. For persistent, severe or unfamiliar physical symptoms – chest pain, breathlessness or a racing heart without an obvious trigger – medical assessment is the right route, not self-observation.
In short: early, but blurry
The body often reports in before the explanation does. That makes it a useful early signal and a poor piece of evidence.
Separating the description from the interpretation costs nothing – and buys you the ability to recognise the same sensation next time, instead of explaining it from scratch every time.
