Anyone who has ever wondered whether a feeling actually tells them anything useful has already stepped into the space Signal explores.
The problem isn't a shortage of signals. The problem is that we receive many voices at once, and they are not all equal. Fear speaks loudly. So does desire. Ego often speaks loudest of all. And somewhere among them, quietly, without drama, is sometimes the thing that would actually deserve attention.
How do you tell one from another? There's no simple formula. But there are a few observational steps that help.
First step: describe, don't explain. What actually happened? Not why, not what it means — just what. This distinction is often overlooked. The brain jumps to explanation before the experience has even been described, and the explanation then covers over the experience. Psychologist Daniel Kahneman would say that the fast mind always offers a story, even when it has no data to support it. A bare description, without interpretation, is therefore the first filter: whatever survives the description was really there.
Fear and signal run on different timelines. Fear appears as anticipation: before the event, as a scenario of what could happen. It likes to loop, adding a new detail each time. A signal is more like a note: registered during the event or right after it, without dramatic narration. It doesn't explain, it just records.
Noise depends on state, signal on content. Noise often appears when we're tired, hungry, stressed, or full of expectation. A signal tends to persist even once those conditions change. A useful question: does this feeling remain once I feel better? Fear rooted in fatigue often fades once you're rested. The sense of misalignment the body registers before a wrong decision often stays — or even strengthens — once the chance to change course has passed.
Desire has a direction; a signal didn't choose one. Desire pulls us toward something specific and arranges evidence to fit its goal: whatever confirms the goal gets amplified, whatever contradicts it gets overlooked. A signal tends to be more neutral. It registers a misalignment without demanding a particular answer. If your "inner voice" always agrees with what you already wanted anyway, it's worth suspecting who is really speaking.
Ego is recognized by what it defends. The voice of the ego almost always shows up when the image is at stake, not the truth: how will I look, what will people say, what does this say about me. A signal speaks about the situation; the ego speaks about you inside the situation. If a feeling disappears the moment the audience disappears, it was not a signal.
One more important boundary, drawn by decision researcher Gerd Gigerenzer: intuition is most reliable in areas where we have a lot of experience with fast feedback. A firefighter who senses the floor is about to give way, a chess player who "sees" the move, a skilled craftsperson who hears that a machine isn't running right. Their feeling is compressed knowledge from thousands of repetitions. In areas where we have little experience, or where feedback is slow and blurry, a feeling more often carries noise than signal. That, too, is data: before trusting any feeling, you can ask whether your body actually has any mileage on this particular terrain.
This may be the most important distinction between understanding a signal and superstition. A signal is information — one data point among others we weigh together. A body that registers tension before a decision is not telling us what to do. It's telling us it's worth paying closer attention. What you do with that remains your choice.
If you compressed all of this into four questions you can ask about any feeling:
2. When did the feeling appear? (before the event as a scenario, or during it as a note)
3. Does it remain once I've rested, eaten, calmed down? (a test of state)
4. Who or what does it serve? (the situation, a desire, or an image of yourself)
None of these questions gives a final answer on its own. But together, out of the crowd of voices, an outline slowly emerges.
Wisdom lies in knowing which ones deserve attention and which don't. And that discernment is built over time: through gathering, observing, and slowly coming to understand your own patterns. No one can build it for you, because the pattern you're looking for only happens inside you.