The Truth Your Brain Never Shows You

[00:00:00]Right now, there is a hole in your vision that you cannot see.

[00:00:05]Your brain is hiding it from you.

[00:00:08]And it is not the only thing it is hiding.

[00:00:12]Everything you call reality, [music] the solid floor beneath you, this moment you're in, the person you [music] think you are, is being edited before it [music] ever reaches you.

[00:00:27]Five pieces of the real [music] world have been cut from your experience and you have [music] never noticed one.

[00:00:35]Today we're going to let them back in.

[00:00:43]And by the time we are done, [music] the world may not look the way you remember it.

[00:00:51]Before we go through the five cracks, I want you to listen to one woman's story.

[00:00:57]She is a brain scientist.

[00:01:00]She spent her life studying the [music] organ that builds our experience of reality.

[00:01:06][music] And one morning in 1996, that organ stopped building it.

[00:01:16]What she felt in the hours that followed is where the rest of this video is taken you through five cracks where that [music] same unedited reality leaks into ordinary life. She just got there first.

[00:01:33][music] Her name was Jill Bolte Taylor.

[00:01:41]On the morning of December 10th, 1996, [music] a blood vessel ruptured in her left hemisphere.

[00:01:50]The side of the brain that handles language.

[00:01:54]The side that runs the steady [music] inner voice telling you who you are, where you are, what you are doing next.

[00:02:03]Over the next hours, she watched the internet raider go quiet.

[00:02:08]The voice [music] that says, "I am Jill."

[00:02:12]It stopped arriving. [music] She stepped into the shower and lost the [music] edge of her own body.

[00:02:26]She looked down at her arm and could not [music] tell where her skin stopped and the wall started.

[00:02:35]The atoms of her hand and the atoms of the tile felt like the same thing.

[00:02:43]Her body stopped feeling [music] like matter. It felt like energy moving through a space that had no edges.

[00:02:50]And inside that she felt a euphoria. She had never known a brain could produce the strange certainty that she was not separate from anything [music] around her.

[00:03:06]She was a brain scientist.

[00:03:08]Anyone else would have called this [music] a mystical experience. Jill could not. She had spent her career learning how the brain works. Her training kept running while everything else was falling apart. She could see the failure happening in real time.

[00:03:26]The separateness she had felt her whole life was something her brain had been doing for her and it had just stopped.

[00:03:37]What Jill saw is not only what happens when a brain breaks.

[00:03:44]The same thing is hidden in ordinary life [music] in everyone every day including right now [music] as you watch this.

[00:04:03]Most of the time the world feels solid, immediate and complete. We open our eyes and find ourselves in a world [music] that already makes sense.

[00:04:17]But when we look closely, that certainty [music] begins to loosen.

[00:04:26]The first crack begins in the eye.

[00:04:30]In each eye, there is a small place where the world leaves no trace.

[00:04:37]It is inside your vision right now and you [music] cannot see it.

[00:04:45]It is called the blind spot.

[00:04:51]It exists because the optic nerve has to leave the back of the eye. At that exit point, the retina has no light detecting cells.

[00:05:03]The visual signal contains a gap before it reaches the brain. A small patch of the world is missing from the image your eye can provide.

[00:05:14]You might expect [music] to notice it like a gap in the page, a hole in the wall, [music] but daily life appears seamless.

[00:05:26]The gap is handled before awareness ever receives it.

[00:05:36]The brain studies the surrounding scene and completes [music] the missing area.

[00:05:42]A white wall continues as white.

[00:05:45]Wallpaper carries on its pattern. The absence is real, but it never arrives as absence.

[00:05:55]By the time you experience the scene, the missing part [music] has already been woven into the hole.

[00:06:07]This repair work belongs to vision itself.

[00:06:12]Your eyes begin the work of seeing, but they do not finish it alone.

[00:06:22]Vision is built from fragments, light, edges, movement, color, memory, expectation.

[00:06:39]From these partial signals, the brain creates a world coherent enough to move through.

[00:06:51]Think of a video call breaking up, but you still follow the conversation.

[00:06:57]Your mind carries meaning across the missing pieces. Perception works the same way. It receives fragments and turns them into continuity.

[00:07:10]It gives you reality as something lived, stable enough to walk through, [music] meaningful enough to respond to, and incomplete enough to remind us that seeing is always an act of interpretation.

[00:07:27]So perhaps we do not simply receive reality, we participate in its appearance.

[00:07:36]That is the first crack.

[00:07:39]A place where information is missing and from that missing place a world is made.

[00:07:51]The first crack was hidden in vision.

[00:07:55]The second is hidden in matter.

[00:07:58]Because the world does not only [music] contain gaps in how it appears to us.

[00:08:04]It contains gaps in what [music] we are made of.

[00:08:10]Put your hand on a table.

[00:08:14]It feels solid, firm, certain. But if you could zoom in far enough, past the wood grain, past the cells, past the molecules, all the way down to the atoms.

[00:08:32]The table, you know, would begin to disappear.

[00:08:37]The closer you look, the less the table looks like a block of stuff. It starts to look like atoms arranged together with surprising amounts of distance inside them.

[00:08:55]Atoms are not tiny [music] hard balls packed together like marbles in a jar.

[00:09:00]Most of an atom is open space.

[00:09:05]At the center is a tiny heavy core.

[00:09:09]Around it, electrons move in a fuzzy outer region.

[00:09:19]They are too strange and too small to behave like little planets going around the sun.

[00:09:29]If the core of a single atom were the size of a P sitting in the middle of a football stadium, the electrons would be buzzing [music] somewhere near the outer seats.

[00:09:43]Everything in between would be nothing.

[00:09:48]That is what your hand is made of.

[00:09:51]and the table and the floor and every solid thing [music] you have ever touched in your life.

[00:10:06]So why does the table feel solid?

[00:10:12]Because the atoms in your hand never truly pass through the atoms in the table.

[00:10:21]As they come close, the electrons around them push [music] back.

[00:10:29]And at the smallest scales, matter follows rules that stop everything from [music] collapsing into the same place.

[00:10:39]You cannot see this resistance, but your body feels it as hardness.

[00:10:48]So at our size it feels as if two solid things [music] are touching. But deep down touch is a force meeting force.

[00:10:58][music] The table is still real and so is its hardness.

[00:11:06]It can hold your coffee, support your hand [music] and stop your body from falling through the floor.

[00:11:14]But the hardness does not come from tiny solid balls packed tightly [music] together. It comes from countless tiny parts holding their shape and pushing [music] back together.

[00:11:27]At the smallest scales, [music] the table is no longer a smooth surface. It becomes a wide landscape of tiny centers, [music] open spaces, and forces you cannot see.

[00:11:42]The table is not less real because of this. Its reality is in the way those forces hold together. What we call a thing may often be a pattern of activity stable enough to appear solid, useful, and dependable at the scale of human life.

[00:12:02]>> [music] >> For a long time, people imagined the world is a collection of tiny solid pieces like little bricks stacked together to make everything we see.

[00:12:19]But the deeper we look, the less the universe behaves like a pile of bricks.

[00:12:29]It behaves more like a web of relationships.

[00:12:42]So solidity [music] has begun to loosen.

[00:12:46]But the third crack is hidden in the one place we rarely think to question.

[00:12:54]And that is the now.

[00:13:01]The present feels instant, clear, and complete.

[00:13:05]Everything seems to reach us in the same moment.

[00:13:10]But between the world happening and the world being felt, there is a [music] hidden interval.

[00:13:17]And inside that gap, now begins to change.

[00:13:26]You feel as if you are experiencing this moment live. This image, this sound, this sentence. [music] But light needs time [music] to enter the eye.

[00:13:45]Sound [music] needs time to reach the ear.

[00:13:51]And touch [music] needs time to travel through the body before any of it becomes experience.

[00:14:00]It has already taken a small journey.

[00:14:05]The delay [music] is tiny, usually too small to notice.

[00:14:10]Still, life does not feel delayed.

[00:14:16]You do not experience separate signals arriving one by one.

[00:14:23]You experience a room, a voice, a body, a world that appears to hold together.

[00:14:35]But now is held together by more than incoming signals.

[00:14:40]It also carries the moment that [music] came just before.

[00:14:46]Think of a sentence.

[00:14:49]You only understand the word you are hearing because the earlier words are still present [music] in your mind.

[00:14:56]They have passed but they remain inside [music] the meaning.

[00:15:03]What came before shapes what is happening now.

[00:15:10]Reality was not a row of frozen instance.

[00:15:13]It was made of events.

[00:15:16]Each moment receiving what came before, taking shape and passing something forward.

[00:15:26]Think about listening to a song.

[00:15:32]A single note is not music.

[00:15:36][music] Music exists in the movement from one note to the next.

[00:15:42]Each note carries the one before it forward.

[00:15:46]The meaning is in the relation, the timing, the change.

[00:15:56]Time may be closer to that than to a container the universe sits inside.

[00:16:01]It is not [music] an empty background where things happen.

[00:16:06]It is part of how things happen together.

[00:16:12]The same thing happens at a much bigger scale. The [music] sunlight touching your skin is about 8 minutes old.

[00:16:21]The light from distant stars may have been [music] traveling since long before human beings existed.

[00:16:32]So the moment you are living [music] contains more than one time.

[00:16:36]It brings together the near and the far, [music] the recent and the ancient, the body and the cosmos. [music] That is the third crack.

[00:16:51]The present feels like the simplest thing in the world, but it is already a relationship between what has happened, what is arriving, and what [music] is becoming next.

[00:17:06]But now we run into a stranger problem.

[00:17:11]How do you describe [music] a world that never stops moving?

[00:17:17]Because the moment we put reality into words, we [music] begin to change its shape.

[00:17:25]Something alive, flowing, and unfinished becomes a name we can hold. [music] That is the fourth crack.

[00:17:37]Language itself.

[00:17:45]Language is [music] one of the most powerful tools our species has ever built. It lets us name things, share ideas, write [music] down what we have learned, and pass it forward to people we [music] will never meet.

[00:18:06]But it also does something else.

[00:18:10]It freezes the [music] world.

[00:18:19]We say the tree is green, but the real tree [music] is not a static object wearing greenness like a jacket.

[00:18:34]The tree is drinking water through its [music] roots.

[00:18:40]In its leaves, gases are being exchanged with the air.

[00:18:47]Sunlight is becoming chemical energy.

[00:18:53]Underground, the tree is in conversation with fungi.

[00:19:00]above ground with insects, wind, temperature, soil, and time.

[00:19:07]And its greenness depends on light, [music] pigments, your eyes, your brain, and even the atmosphere between you and it.

[00:19:21]The tree is green is useful, but it is also a massive shortcut. It hides the process.

[00:19:35]This is the central problem with words.

[00:19:40]We pull one feature out of the living flow of the world, give it a name, and then forget that we simplified it.

[00:19:51]Think of a photo of someone you love.

[00:19:57]The photo captures their face, their expression, the colors of that one afternoon. You can show it to a stranger and say, "This is them." But the photo is not them.

[00:20:12]The person in the photo has aged [music] since the picture was taken. They have had thousands of thoughts the camera could not see.

[00:20:22]They are right now breathing and moving and changing. [music] And the photo is just a single frozen moment pulled out of all that motion.

[00:20:37]In a way, every word is [music] like that.

[00:20:42]Tree is a photograph of a living [music] process.

[00:20:47]Friend is a photograph of a relationship.

[00:20:52]Anger is a photograph of a feeling [music] that may already be changing by the time you name it.

[00:21:00]Most of the time this works. We pass the photographs back and forth and understand each [music] other. But over a lifetime something slowly happens.

[00:21:14]We start looking at the photograph so often that we forget the real thing was ever there.

[00:21:23]So language is not failing us.

[00:21:27]It is doing exactly what it was built to do. But it is also a filter sitting between you and the world, between you and yourself.

[00:21:40]And most [music] of us spend our entire lives never noticing it is there.

[00:21:47]The final crack begins with the word we trust most.

[00:21:52]I.

[00:21:56]It is the smallest word [music] but it carries an entire life inside it. It gathers many changing processes, [music] the body, memory, attention, emotion, habit, [music] and makes them feel like one continuous owner of experience.

[00:22:16][music] But suppose for a moment that you could look beneath the word.

[00:22:26][music] Suppose you could see the world before language turns [music] it into nouns.

[00:22:37][singing] Then the self would no longer appear as one solid thing at the center of it all.

[00:22:47][music] Imagine a flame. You can point to it and say there is a flame.

[00:23:02]But what exactly is the [music] flame?

[00:23:06]It is not a single object sitting still.

[00:23:09]It is fuel meeting oxygen. It is heat, light, movement and change. Every second [music] new material enters, burns and disappears.

[00:23:24]The flame has identity but not because it is made of the same material the whole time. It has identity because the pattern continues.

[00:23:38]Now think about yourself.

[00:23:41]You feel like the same person you were yesterday and in many [music] ways you are.

[00:23:47]But your body is constantly changing.

[00:23:52]Cells die and are replaced. Molecules move in and out. Thoughts appear and disappear.

[00:24:00]Emotions rise and fade. [music] Even your sense of self shifts depending on [music] what your body and mind need in a given moment.

[00:24:14]So the self is less like a stone and more like the [music] flame, a pattern that continues by changing.

[00:24:29]And this does not only apply to flames, [music] bodies or minds. It points to something deeper about reality itself.

[00:24:45]The basic units of the world are not best [music] understood as tiny pieces of dead matter, but as events of becoming.

[00:25:01]Each moment gathers what came before, responds to it, and creates something new. Then it passes away.

[00:25:09]leaving its influence [music] for the next moment.

[00:25:16]Your life is not as one [music] unchanging object moving through time, but as a stream of moments inheriting [music] from previous moments and passing something forward.

[00:25:34]This means the past is not [music] simply gone. It survives as influence.

[00:25:42]Your childhood is not sitting inside you like a file stored in a [music] cabinet.

[00:25:48]But it shapes your reactions, your fears, your preferences, your sense of what is possible.

[00:25:57]The past becomes part of the present as a pattern and the present does not merely repeat it. It adds something.

[00:26:12]Reality is not just repetition.

[00:26:15]It is the past arriving in a shape that has never existed before.

[00:26:25]We have followed five cracks through ordinary reality and each one opened in a different place.

[00:26:33]But beneath them all was the same strange pattern.

[00:26:38]Reality was never a finished object sitting in front of us. It was something still happening. [music] The five cracks were not showing us that reality is fake. They were showing us that reality is not separate from us in [music] the way we usually imagine.

[00:27:00]This is what Jill felt on the morning of December 10th. Her body did not merge with the wall. The atoms still [music] resisted. The forces still pushed back.

[00:27:12]Her hand was still a hand. The tile was still a tile.

[00:27:17]What changed was the experience of being apart [music] from any of it. The line between her and the world had been a feeling, not a fact.

[00:27:32]When her brain stopped drawing the feeling, what was left was this [music] one field of matter holding itself together, experiencing itself from inside a body that had briefly forgotten where it ended.

[00:27:55]We are part of the process we are trying to understand. [music] You are made of food that grew from soil.

[00:28:06]The oxygen moving through your blood was released by plants.

[00:28:12]The atoms in your bones were forged in [music] ancient stars.

[00:28:17]The neurons firing in your head are made of [music] the same world as mountains, oceans, clouds.

[00:28:27]You are [music] reality briefly arranged in a shape that can ask the question.

[00:28:36]So the cracks were never [music] gaps in the world. They were places where reality [music] slipped through.

[00:28:52]We spend much of our lives treating the world as a finished thing waiting to be observed.

[00:29:00]But it is still unfolding and [music] you are part of that unfolding.

[00:29:10]You were [music] never just watching this.

[00:29:14]You were the watching.

[00:29:19]Let us stay with [music] these cracks.

[00:29:22]Not as ideas [music] as the thing happening to you right now as you watch.

[00:29:32][music] You think you're just looking at the world, but your eyes only catch fragments. Your brain builds the rest.

[00:29:40][music] What you experience, you helped create.

[00:29:50][music] [music] Right now there is a hole in your vision.

[00:30:02]Your brain [music] is painting over it.

[00:30:04]So you never see the gap.

[00:30:09]>> [music] [music] >> A table feels completely solid, although it's almost [music] entirely empty space.

[00:30:26][music] You think your hand [music] touches the table. It never does.

[00:30:35]What you feel as solid is just the push [music] between you and it.

[00:30:45][music] The sunlight on your skin feels like now. It left the sun 8 minutes ago.

[00:31:01]The starlight [music] you can see is older than your whole species.

[00:31:10]>> [music] >> A photo of someone you [music] love isn't them. They've changed since the shutter clicked.

[00:31:33]Every word [music] works the same way.

[00:31:36]We stare at the snapshots until we forget [music] the real thing was ever there.

[00:31:50]Every cell in you will [music] be replaced.

[00:31:53]You'll still be you.

[00:32:07]You're not a thing. You're something [music] that keeps happening.

[00:32:18]>> [music] >> You feel like you stop [music] at your skin and the world starts. That edge isn't a fact. It's a feeling your brain draws and it can switch off.

[00:32:39][music] [music] >> [music] >> You are the universe briefly shaped so it can wonder about itself.

[00:33:21][music] You are never just watching this.

[00:33:29]You are the watching.

[00:33:36]If this video opened something up for [music] you, consider joining as a channel member below.

[00:33:43]>> [music] >> Producing episodes like this takes a great deal of time and effort, and your support [music] directly helps us keep creating them. As a member, [music] you'll also get early access to new videos and the option to watch [music] ad free.

[00:34:00]And if you're new to the channel, this video here is a great [music] place to continue.

[00:34:10]>> [music]