What Is an Aura? The Energy Field, the Migraine, and the Slang

An aura is three completely unrelated things that happen to share one word. It is a zig-zag of light that crosses your vision before a migraine. It is the coloured field that psychics and energy healers say surrounds a person. And since 2024 it is slang for how much presence someone has — the thing you gain by doing something cool and lose by tripping over a step.

Almost every page that answers this question picks one of the three and ignores the other two, which is why so many people arrive at an answer that has nothing to do with what they saw. This page covers all three, says plainly which one is which, and is honest about what is known and what is not.

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Which aura are you actually asking about?

Tick anything that describes what you experienced or heard. The tool sorts it into the right meaning. It cannot diagnose anything and does not try to — it tells you which conversation you are in, so you know where to look next.

Why one word ended up meaning three things

The three meanings are not as random as they look. They all descend from the same Greek word, and the order in which they appeared is genuinely surprising: the medical sense is by far the oldest, and the spiritual one is the newest of the two serious meanings — younger than the telephone.

Aura in Greek means a breeze. Not wind, not air — a light moving current of it, the kind you feel rather than see. It arrives in Middle English in the late fourteenth century with exactly that meaning: a gentle breeze.

The medical sense came first, in the second century

The person who attached the word to a symptom was Pelops, a physician of the second century AD who is now remembered mainly as Galen's teacher. His patients with epilepsy described a strange sensation travelling up a limb towards the head before they lost consciousness. One of them called it a cold breeze — aura. Pelops took the description literally: he thought a vapour really was rising through the blood vessels to the brain.

The mechanism was wrong. The word stuck anyway, and eighteen centuries later it is still the technical term in neurology. When a doctor says "aura", this is what they mean, and they are using the oldest sense of the word in the room.

The spiritual sense arrived around 1870

By 1732 English had extended aura to mean a subtle emanation, originally of smell — an aroma. From there it moved to the impression a person gives off, recorded by 1859. And around 1870 spiritualist writers took the final step and made it a thing rather than an impression: an actual emanation surrounding a living body.

That is recent. The idea of a luminous field around people is much older — halos in Egyptian and Christian art, prana and the subtle body in Indian thought — but the English word aura for it is a Victorian invention, and the detailed colour system almost everyone now quotes is younger still.

The slang sense arrived in 2024

And then, a century and a half later, the word went back to meaning what it meant in 1859 — the impression a person makes — but as a score you can win and lose. More on that below.

Meaning one: the aura as an energy field

This is the meaning most people come looking for. In this sense an aura is a field of coloured light said to surround and interpenetrate the body, extending anywhere from a few centimetres to a couple of metres, changing constantly with mood, health and attention. Reading it — by sight, by hand, or by intuition — is said to tell you what state a person is in.

Where the modern version actually comes from

Three sources built the version you will find online, and it is worth knowing which parts came from where.

Theosophy supplied the colours. Charles Leadbeater's Man Visible and Invisible (1902) laid out a colour code — this hue means devotion, that one means anger — that has barely changed in a hundred and twenty years. Nearly every aura colour chart online is a descendant of it.

Walter Kilner supplied the scientific ambition. Kilner was a real physician, a Member of the Royal College of Physicians who ran the electrotherapy department at St Thomas' Hospital in London from 1879 to 1893. In 1911 he published The Human Atmosphere, arguing that the aura was a purely physical phenomenon — he explicitly wanted nothing to do with spiritualism — and that it could be seen through glass screens stained with dicyanin dye. The British Medical Journal reviewed it in 1912 and concluded that Kilner had failed to show his aura was "more real than Macbeth's visionary dagger". Nobody has replicated his results. What his screens most likely did was tire and distort the eye, which is a theme you will meet again below.

Barbara Brennan supplied the seven layers. If you have read that the aura has seven distinct layers with names like the etheric template and the ketheric body, you are reading Brennan. She published Hands of Light in 1987, and it became the standard reference for energy healing. Her background is part of why the book carried weight: a physics degree from the University of Wisconsin–Madison in 1962, a master's in atmospheric physics, and six years at NASA's Goddard Space Flight Center before she left science for healing.

The seven layers, as Brennan describes them

Note what the table quietly tells you: the layers alternate. Odd-numbered layers are described as structured, made of lines of light; even-numbered ones as fluid, made of moving colour. That alternation is Brennan's own, and it is the detail most copies of her model leave out.

Aura and chakra are not the same thing

These get used interchangeably online and they should not be. The chakras are points — seven concentrated centres arranged along the spine. The aura is the field. In the tradition, the chakras are where energy is taken in and processed; the aura is what that processing looks like from outside. A blocked chakra is said to show up as a dull or muddy patch in the aura near it, which is the whole logic of reading a field at all.

If you want the colour vocabulary in full — what each hue means, what a muddy version of it means, and where the meanings came from — that is the aura colours guide. Each colour also has its own page: red, orange, yellow, green, blue, purple, white and black.

Do auras exist? What people are actually seeing

This is the question the tradition usually dodges and the sceptics usually answer too fast. The honest position is more interesting than either.

No instrument has ever detected an energy field around the body beyond the ordinary ones. The body does produce measurable electromagnetic activity — the heart's field is strong enough to be read from a short distance with a magnetometer, which is what magnetocardiography does. But that field carries no colour, no layers, and no personality information, and it is nothing like what aura readers describe. Controlled tests, in which a reader is asked to say which of several screens a person is standing behind, have not been passed.

And yet the seeing is real. Several different things produce it, and each one is worth knowing on its own.

Troxler fading and the after-image

Stare at a fixed point and hold your gaze still. Within seconds, anything unchanging in your peripheral vision begins to grey out and dissolve — your visual system discards signals that do not change. This is Troxler fading, described in 1804, and it is why the wall exercise works on almost everybody: hold a soft, still gaze on a hand against a plain background and the edge of that hand will start to glow, because your eye has stopped updating the background but not the edge.

Add a second effect and you get colour. Look at something for long enough and the receptors tuned to its colour fatigue, so when your gaze drifts you see the complementary colour instead. A person in a warm-lit room against a pale wall will generate a faint green-blue halo. A person in green will generate a pink one. This is also why aura colours reported in a single session often track what the subject is wearing.

Aura synaesthesia: some people genuinely do see it

There is a small group of people for whom none of the above applies. They see a specific, consistent colour attached to a specific person, they have seen it since childhood, and the colour does not change with the lighting or the clothes. This is a documented form of synaesthesia — the same wiring that makes some people see letters as coloured, applied to faces and emotions.

In 2012, Óscar Iborra, Luis Pastor and Emilio Gómez Milán at the University of Granada published work in Consciousness and Cognition testing people who described themselves as healers and aura readers, and found synaesthesia to be markedly more common among them than in the general population. Their conclusion was careful and worth repeating: this is not an extrasensory power, it is a real difference in how perception is assembled. The colours are genuinely experienced. They are produced by the perceiver rather than emitted by the person being looked at.

That explanation is more flattering to aura readers than most sceptical accounts, not less. It says they are not lying.

Kirlian photography and the aura camera

Kirlian photography, developed by Semyon Kirlian from the late 1930s, puts an object on a plate carrying a high-voltage, high-frequency current and photographs the corona discharge that results. The images are beautiful. What varies between them is mostly moisture, pressure and contact area — a fact demonstrated by the simplest possible experiment: the corona around a fresh leaf and around the same leaf after it has been dried changes exactly as the moisture content changes, not as its "life force" would.

The aura camera you meet at a fair is a different machine again, and it does not photograph you at all. You rest your hands on metal plates that read galvanic skin response and temperature. Those numbers go into a lookup table written by the manufacturer, which returns a set of colours, and the colours are composited over an ordinary instant photograph of your face. Sweat a little and the colours change. Put the same person in front of the same machine twice in one afternoon and they usually do.

What is left over, and is worth keeping

Strip out everything that does not survive scrutiny and something real remains: people read each other extremely accurately and mostly without noticing. Posture, breathing rate, micro-expressions, vocal tension, the distance someone stands from you, how their eyes move — all of it is processed below conscious awareness and delivered to you as a feeling rather than a report. "Something felt off about him" is usually correct, and usually not mysterious.

Aura language gives that a vocabulary. Saying someone's field feels heavy, or scattered, or clear, is a way of naming an impression that is otherwise very hard to put words to. That is a genuinely useful thing for a symbolic system to do, and it does not require the field to exist.

How to see an aura yourself, and what will happen

The exercise takes about five minutes and almost everyone gets something. Knowing why it works does not stop it working.

1. Find a plain, matte, mid-toned wall. Not white — white is too bright and blows out the effect. Grey, cream or a soft colour is ideal.
2. Get the light dim and even. Indirect daylight is best. No lamp behind you, no window in frame, no bright spot anywhere in view.
3. Hold one hand up against the wall, fingers slightly spread, about half a metre in front of you.
4. Fix your gaze on a point just past your hand — the wall behind it, not the hand — and let your eyes go soft, as if you were daydreaming. Do not stare hard and do not chase the edges.
5. Hold still for thirty to sixty seconds. Blink normally; blinking resets the effect a little but not much.

What you will most likely see first is a thin colourless shimmer hugging the outline of your hand, like heat rising off a road. Keep going and it usually widens and picks up a faint tint — most often a cool one, blue-grey or greenish. If you then move your hand, the shimmer moves with it, which is the moment that convinces most people.

What is happening is the Troxler effect plus after-image, working exactly as described above. Whether you read that as a disappointment or as a rather elegant piece of your own visual system is up to you. The tradition's own instructions have described this procedure for over a century, and it was probably Kilner's screens doing the same thing by chemical means.

The full step-by-step guide to seeing auras goes further into the technique, and aura cleansing covers what the tradition does next.

Meaning two: what an aura is in medicine

This is the sense in which the word is a technical term with a precise definition, and it covers two different situations that are often confused with each other.

Migraine aura

A migraine aura is a set of temporary neurological symptoms that develop gradually, last between five and sixty minutes, and resolve completely. Fewer than one migraine in five involves an aura. It usually comes before the headache, it can overlap with it, and — a point that catches many people out — it can arrive with no headache at all, which has its own name: migraine aura without headache, or "silent migraine".

Visual aura is by far the most common form. The textbook description is a small shimmering spot near the centre of vision that expands outwards over ten to twenty minutes into a C-shaped arc of zig-zag lines, often flickering, with a blind area inside it. That zig-zag pattern has a name of its own: the fortification spectrum, because nineteenth-century doctors thought the jagged outline looked like the star-shaped plan of a fortified town. Once you have seen a diagram of a Vauban fortress, the name is impossible to unsee.

Sensory aura comes second: pins and needles that begin in the fingertips and creep up the arm over several minutes, often ending at the lip and tongue on the same side. Speech aura — words that will not come, or come out wrong — is less common again.

Two features do the diagnostic work, and both are about time rather than content. A migraine aura builds, over minutes; and it clears, within the hour. Symptoms that appear instantly and at full strength are a different matter, and that is the difference that sends people to hospital.

The three-millimetre-a-minute wave

Here is the most satisfying fact on this page. In 1941 the psychologist Karl Lashley, who had migraine with aura himself, carefully mapped his own auras onto a chart of his visual field, over and over, timing them. From the geometry he calculated that whatever was causing them was moving across his primary visual cortex at about three millimetres per minute.

Three years later, in 1944, the Brazilian physiologist Aristides Leão was studying rabbit brains and found a slow wave of electrical silence spreading across the cortex — at the same sort of speed. He noticed the resemblance to migraine immediately. That phenomenon, cortical spreading depression, is now the accepted explanation for migraine aura, and Lashley had calculated its velocity from nothing but his own flickering vision and a stopwatch.

It also explains the thing people find strangest about aura: why it is so slow. A wave crossing a few centimetres of cortex at three millimetres a minute takes roughly twenty to thirty minutes. That is the aura, and the arithmetic matches.

Migraine aura and stroke risk

This needs saying plainly, without alarm and without minimising. Migraine with aura is associated with a raised risk of ischaemic stroke — one large American community study of nearly 13,000 middle-aged adults found roughly a 2.4-fold increase, with the association concentrated in clot-related strokes. Migraine without aura did not show the same link.

Two things to hold alongside that. First, the baseline risk at these ages is low, so a multiple of a small number is still a small number. Second, this is exactly the kind of fact that is useful to act on rather than worry about: it makes the ordinary risk factors — smoking above all, and combined oestrogen contraceptives, which multiply the risk further in women who have aura — worth an actual conversation with a doctor. That conversation is the point of knowing this.

Epileptic aura — and why "warning" is the wrong word

In epilepsy, an aura is a subjective experience at the very start of a seizure: a rising sensation in the stomach, sudden overwhelming déjà vu or its opposite, a smell or taste that is not there, a surge of unexplained fear, a change in how the world looks or sounds.

Almost every everyday description calls this a warning sign before a seizure. That is not how it is classified. In the terminology of the International League Against Epilepsy, an aura is an ictal phenomenon — meaning it happens during the seizure, not before it. The seizure has already started; it is simply small enough and localised enough that awareness is preserved. Where awareness is retained throughout, it is classed as a focal aware seizure, and the aura is not the prelude to the event. It is the event.

Which is why it is worth describing precisely to a doctor. What the sensation is, and where in the body it starts, points at which part of the brain the seizure begins in — and that is information almost nothing else can give.

Meaning three: aura as slang, aura points, and aura farming

If you arrived here because someone said a person "has aura" or "lost 500 aura", none of the above applies. This is a separate word that happens to be spelled the same.

In this sense, aura is charisma expressed as a score. It rose through gaming and TikTok and was widespread by 2024. You gain aura by doing something effortlessly impressive and lose it by doing something cringeworthy — and the scoring is always joking, always exaggerated, and usually in round numbers. "Negative one thousand aura" for walking into a glass door. "Plus a thousand aura" for catching a falling glass without looking.

The essential rule is that aura cannot be claimed. Announcing your own aura destroys it instantly; that is most of the joke. It has to look unintentional, which is exactly what makes the next term funny.

Aura farming

Aura farming is deliberately performing coolness in order to accumulate aura — the pose held a beat too long, the slow-motion walk away from nothing, the sunglasses indoors. The verb is borrowed from gaming, where "farming" means grinding out points by repeating an action. Calling something aura farming is affectionately mocking: it names the effort, which is the one thing aura is not supposed to show.

The term went from niche to global in mid-2025 because of an eleven-year-old Indonesian boy. Rayyan Arkan Dikha stands at the prow of a racing boat at pacu jalur, a traditional rowing festival in Riau, Sumatra. The role is a real one — the dancer at the bow, sometimes called the togak luan, keeps the rowers' rhythm and signals the boat's position to the crowd, and children are chosen for it because it takes extraordinary balance to do it on a narrow moving hull.

Dikha did it in sunglasses and a black tanjak headcloth, with a loose, unbothered, arms-out dance he had made up himself, over water, while a racing crew heaved beneath him, without once looking like he was trying. Clips of it were set to hundreds of different songs and copied by footballers, athletes and half the internet. The Indonesian government later gave him a scholarship and a tourism ambassador title.

He is the perfect illustration of the word, which is presumably why it stuck to him: the aura came from the fact that he obviously was not farming any.

Quick disambiguation

Common questions

How big is an aura?

In the tradition, about an arm's length in every direction for the outermost layer — roughly a metre — with the inner layers sitting within a few centimetres of the skin. Descriptions vary widely because there is nothing to measure, and figures ranging from thirty centimetres to several metres all appear in print.

Can your aura change colour?

The tradition says the inner layers change constantly — hour to hour with mood — while a dominant "life colour" stays broadly stable for years. That structure is deliberate: it lets a reading account for both what you are like and how you are today.

Can everybody learn to see auras?

Almost everybody can produce the shimmer described above, because it comes from ordinary visual physiology rather than from a talent. Seeing stable, person-specific colours is a much rarer thing, and appears to be a form of synaesthesia rather than a skill that can be trained.

Does having a migraine aura mean I have epilepsy?

No. They are separate conditions that share a word because both involve a wave of abnormal electrical activity in the cortex. The experiences are usually quite different — expanding visual zig-zags over twenty minutes for migraine, versus brief stomach-rising, déjà vu or smell sensations for epilepsy — and only a doctor can tell them apart properly.

Is aura photography real?

The photograph is real; the aura in it is generated from sensor readings of your skin, not captured from around your body. Kirlian photography captures a genuine corona discharge, which tracks moisture and contact rather than vitality.

Is "aura" a compliment or an insult?

In the slang, having aura is a compliment and losing aura is a light-hearted insult. "Aura farming" sits in between: it is a tease, aimed at the effort rather than the person, and is usually said with affection.

Where does aura farming come from?

From gaming slang — farming as grinding out points — attached to the aura score around 2024, and made a global phrase in mid-2025 by videos of Rayyan Arkan Dikha dancing at the bow of a racing boat at the pacu jalur festival in Riau, Indonesia.

Every aura colour: red · orange · yellow · green · blue · purple · white · black