Chapter 5: Words as Visual Patterns: Reading and Recognition

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You physically shouldn't be able to read this sentence.

I mean, if you look strictly at the biology of the human eye and just the raw processing speed of our nervous system, the act of reading,

especially the speed you're probably doing it right now,

it should be completely impossible.

It really is a physiological paradox.

It is.

If you actually break down the mechanics, we should be stumbling over every single letter.

But we don't.

We just, we devour whole worlds in seconds.

Welcome back to The Deep Dive.

Today we aren't just talking about books.

We are popping the hood on the engine of literacy itself.

Checkles, yeah.

We're deconstructing chapter five of cognitive psychology, the classic text that really changed how we think about thinking.

The chapter is titled Words as Visual Patterns.

And this is, I mean, this is foundational stuff.

We're talking about the moment cognitive psychology really started to move away from just behaviorism, you know, just measuring inputs and outputs and started asking, okay, but what is actually happening inside the black box of the mind and specifically with visual cognition?

Right.

So our mission today is to solve a mystery.

How do we bridge that gap between a few curved lines on a page and a really complex idea inside our head?

And to do that, we have to go back, back to the days before fMRI scans to a time when psychology was done with like gears and shutters and a whole lot of clever guesswork.

And the main theme here, the big shift, is from seeing reading as the sort of passive reception of data to seeing it as an active, constructive process.

The controlled hallucination, as we might end up calling it.

Perhaps, exactly.

But, okay, let's start with the hardware.

To understand how they figured any of this out, we have to look at the primary tool of the tree.

This was back in the late 19th, early 20th centuries.

Right.

The tachistoscope.

The tachistoscope.

It sounds like something out of a steampunk novel, doesn't it?

It really does.

I looked up some photos of the early ones.

They're these like heavy brass optical instruments.

Yeah, you should basically picture a device that's designed for one specific purpose.

To chop time into tiny digestible pieces.

I mean, in normal life, vision is continuous.

You look around, your eyes dart back and forth, you blink.

But to study the the atom of perception,

researchers needed to present a visual stimulus, a word, a letter, a shape for a really, really strictly controlled duration.

We're talking milliseconds.

So faster than a blink.

Oh, much faster.

A blink is leisurely, you know, maybe 300 to 400 milliseconds.

A tachistoscope deals in exposures of like 10, 20, maybe 50 milliseconds.

The click of the shutter is basically instantaneous.

And the goal was to bypass the eye's natural tendency to scan.

If I show you a card for half a second, you have time to move your eyes.

You can look at the left side, then the right side.

But at 50 milliseconds.

Your eyes are frozen.

You're stuck with that single initial fixation.

You get one packet of visual data and your brain has to survive on just that.

It denies you the luxury of a second look.

And using this machine, researchers like Cattle and Woodworth, way back the turn of the century, they stumbled on something really weird.

The word apprehension effect.

This is the first big clue in our detective story.

Here's the setup.

I set you down in the tachistoscope.

I tell you I'm going to flash a string of random letters, something like RG dash PLKM.

OK, I'm ready.

Click.

The flash happens.

In that split second, how many of those letters can you actually name?

I feel like I could grab maybe four.

At most.

That's the universal average.

The span of apprehension for unrelated items, it just tops out at about four or five letters.

Your brain's visual buffer just overflows.

You see the first few, maybe the last one, and the rest is just a blur.

Which makes sense.

I mean, there's a limit to the bandwidth.

Right.

But then I change the slide.

Now I flash a word, a long word.

Let's say catastrophe.

That's 11 letters.

Click.

Same duration.

I see catastrophe the whole thing.

You see the whole thing.

You can report all 11 letters.

If I flash a short sentence like jump over the dog, which could be 15 or 16 letters with spaces, you can often report that too.

So wait.

If my brain can only physically hold five items,

how am I suddenly holding 11 or 15?

That is the word apprehension effect.

The fact that the letters form a familiar pattern, it lets you bypass that biological limit.

Okay.

Now the skeptic in me, and I know the listeners thinking this too, is saying, well, obviously,

it's just easier to remember catastrophe because it's one thing.

It's a single word.

It's chunking.

Right.

That's the memory argument, or sometimes they call it coding economy.

The idea is that you saw the letters, but you just compressed them more efficiently in your memory.

Yeah.

But the chapter argues that explanation just, it doesn't hold water, and they prove it with math.

I know we usually try to avoid doing math on air, but this calculation is so important because it just breaks the whole letter by letter theory.

It completely destroys it.

So let's look at reaction times.

If reading were really a process of identifying the letter C, then A, then T, then A, and so on, we can calculate how long that should take.

We know from other experiments that identifying a single letter, just seeing an A on a screen and saying that's an A, takes over a hundred milliseconds.

A hundred milliseconds per letter.

So a simple five -letter word should take over 500 milliseconds to process.

A 10 -letter word should take a full second.

But when we actually test reading speeds, people can identify familiar words in about 200 to 300 milliseconds total.

Regardless of length.

Almost regardless of length.

I mean, you process the word the and the word bored in roughly the same timeframe.

If you were reading letter by letter, you would be crawling.

You just do not have the time to identify every single character one by one.

So we are physically moving too fast to be reading the letters.

Which leads us with a really weird conclusion.

We're reading the word without identifying the letters first.

Exactly.

And there's introspective evidence for this too.

The psychologist Pillsbury, way back in 1897, he did this devious version of the experiment.

He would tell subjects, okay, I'm going to flash the word forever.

But he lied.

The slide he actually used said F -O -Y -E -V -E -R.

He replaced the R with a Y.

He flashes it.

The subject reports, yep, I saw forever.

And Pillsbury would ask, are you sure?

Did you see the R?

And the subjects would get defensive.

They'd say, yes, I saw the R distinctly.

I saw the curve of the leg.

It was definitely an R.

So they're just lying to save face.

No, this is the amazing part.

They're hallucinating.

They are visually constructing the R because the context demands it.

They saw the F, the O, the ever.

And their brain just said,

well, that middle part must be an R.

And it literally painted an R into their conscious vision.

That is the aha moment right there.

We aren't cameras just recording reality.

We're more like video editors, spicing in footage that makes sense.

Real -time editing is a perfect way to describe it, yes.

So if we are using the letters one by one, what are we using?

The chapter then dives into what it calls alternative cues.

And the first guess was word shape.

This is the general shape or envelope theory.

And the idea is that you recognize the outline of the word.

If you think about lowercase words, they have a kind of skyline.

The letter H is a skyscraper.

The letter G digs into the basement.

Right.

Dog has a specific shape.

Tall at the start, dip in the middle, then a drop at the end.

Whereas cat is just flat, flat, tall.

The theory was simply that we memorize these silhouettes.

And this explains why reading text in all caps is so hard.

Precisely.

If you write dog in all caps, it's just a rectangle.

Cat is a rectangle.

Bird is another rectangle.

You lose that distinctive skyline.

This is why legal contracts, you know, when they're written in these huge blocks of capital letters, are physically exhausting to read.

Your brain has no shape cues to lash onto.

But the chapter dismisses this as the final answer.

Why is that?

Well, because we can still read all caps.

It's slower, sure, but it's not impossible.

And more importantly, we can distinguish between words that have the exact same shape, like lint and lists.

They look almost identical in shape.

Tall, short, short, tall.

But you don't confuse them.

So shape helps, but it's not the whole mechanic.

So that moves into the next theory, which feels a lot more robust.

This is the work of Eleanor Gibson and her team on spelling patterns.

This is where we get into what you could call the Lego blocks of language.

Gibson argued that we don't read whole words and we don't read single letters.

We read clusters,

invariant spelling patterns.

These are combinations of letters that function as a single unit in English.

You know, like T Sean, I N G P R E S T R.

And to prove this, they did that fascinating experiment with approximations to English.

I love this because it just shows how our brain desperately tries to find order and chaos.

This is the Miller, Brunner and Postman study.

They created nonsense words, but they graded them by how English like they were.

So a zero order approximation is total chaos.

Just random letters pulled out of a hat.

O is each G P M J.

Joppa is G P M G J.

My eyes just slide right off of that.

I can't even look at it.

It creates a kind of cognitive traffic jam and a techysoscope.

You'd be lucky to see for those letters.

But then they move to a fourth order approximation.

This is where they choose letters based on the statistical probability of them appearing together in real text.

And they created the pseudo word vernal it vernal it.

See, that feels nice.

I can say that it feels like a real thing.

Honey, did you buy the vernal it?

Exactly.

It rolls right off the tongue.

And even though it's not a word, it follows the rules.

It has valid Lego blocks inside it.

V, E, R, nail, L, I, T.

Because of that, subjects could read vernal it almost as fast as a real word.

Gibson called this concept pronounceability, right?

But we should be careful with that term.

She didn't mean you have to say it out loud.

She meant it follows the grapheme phonon correspondence rules, the underlying structure.

The source gives that great example of G .L.

U .R .C.

versus C .Kurgle.

A perfect illustration.

G .L.

U .R .C .K.

G .L.

U .R .C .K.

G .L.

is a valid start to a word glass glow.

C .K.

is a valid and lux ageras, a legal structure.

And C .K .R.

G .L.

C .K.

U .R .G .L.

Totally legal.

C .K.

never starts a word in English.

G .L.

rarely ends one.

It violates the code.

So even though both words use the exact same letters, G .L.

U .R .C .K.

is processed as a single unit, while C .K.

just falls apart into individual clunky letters.

So our brains are constantly scanning for these valid blocks.

OK, there's a G .L.

block, there's an U .R .C .K.

block.

Boom.

Glurk.

Which brings us to the grand unifying theory of the chapter.

We have the blocks.

We have the speed.

So how does the mind actually pull the trigger?

Enter Ulrich Neisser and the theory of figural synthesis.

This is the core concept, figural synthesis.

It sounds technical, but the metaphor Neisser uses for it is beautiful.

The paleontologist.

It's absolutely the best way to understand it.

Imagine a paleontologist digging in the dirt.

They find a little chip of bone, a curve, maybe a tooth.

They don't have the whole skeleton.

Just a few fragments.

But because they know anatomy, because they know what a dinosaur should look like, they can reconstruct the entire beast from just those few fragments.

And in reading the bone chips are the spelling patterns we just talked about.

Yes, the chips are the curvature of a C or that ing pattern or just the overall length of the word.

The visual input from the tachistoscope or from your eye moving across the page is fragmentary.

It's messy.

It's incomplete.

But the brain doesn't like incomplete information.

No.

So based on those chips and your vast knowledge of English, your anatomy knowledge, your brain synthesizes a perception.

It actively constructs the word dinosaur out of the fragments it found.

OK, we need to slow down here and define a technical term because the text mentions the icon.

What is the icon?

Great.

So the icon or iconic memory is a very brief sensory buffer.

Think of it like the after image you see when a camera flash goes off in your face.

OK, for a split second after the stimulus itself disappears, the image sort of hangs in the air, but it fades very, very fast.

We're talking within half a second.

So that's our workspace.

That is the ticking clock.

The flash happens.

The icon appears in your visual system.

It starts fading immediately.

Figural synthesis is a race against that clock.

Your mind frantically grabs features, the bone chips from that fading icon and tries to build a stable object, which is the word, before the image dissolves completely.

And if you build it in time, you consciously see the word.

But if you don't, the icon just fades and you're left saying, I don't know, it was just a blur.

Exactly.

And this explains the whole forever hallucination.

You grab the F, the O, the ever from the icon.

Your synthesizer said that's forever.

It built the image of forever.

The fact that the Y was actually there in the raw data just got overwritten because it didn't fit the dinosaur you were building.

This leads us directly to fragment theory, which explains why we're so much better at reading common words than rare words.

It's basically a betting game, isn't it?

It's high speed gambling.

This is the work of New Bigging, Solomon and Postman.

The theory says you see a fragment.

Let's say you just catch the end of a word, something like dot.

Your brain has to guess the rest.

So it checks its internal database.

What ends in or?

Well, store, more, core.

Those are high frequency words.

Spore is a pretty low frequency word.

So my brain offers up store first.

Yes.

If the word on the screen was actually spore, you might misread it as store because your synthesizer just prioritizes the most common solution.

And we see this in errors all the time.

People substitute common words for rare ones, but they almost never do it the other way around.

Right.

You don't look at house and accidentally read hovel.

Exactly.

But you might look at hovel and read house.

We are constantly betting on the favorites.

But this brings us to the drama,

the academic smackdown,

the gold diamond controversy.

Oh, this is a classic.

It really pits the perception camp against the response bias camp.

So set the stage for us.

Gold Diamond and Hawkins, 1958.

They think this whole we see common words better thing is a lie.

Well, they think it's misinterpreted.

They argued you aren't seeing common words better.

You are just guessing them more often.

OK.

If I show you a blur and say, what is it?

You're just statistically more likely to guess a common word.

That's not better vision.

That's just probability.

So they set up a trap to prove it.

A brilliant trap.

They train subjects on a set of nonsense words.

Some of the words appeared really frequently, some rarely.

So they created a frequency history in the lab.

Then they put the subjects in the techys to scope.

They said, OK, watch out for the words.

But they didn't flash any words.

They flash smudges, gray blurs or sometimes just nothing at all.

That is deceptively mean.

I love it.

And the subjects fell for it completely.

They reported seeing the words they had been trained on.

And crucially, they reported the high frequency words much more often than the low frequency ones.

So they were literally staring at a gray smudge and shouting, that was Gomeg.

I saw it.

Right.

And so Gold Diamond slammed his fist on the table and said, see, there was nothing there.

It's all response bias.

They are just guessing the common words when they are unsure.

It seems like a slam dunk.

How does Nyser, the author of our chapter, dig his way out of this one?

Nyser counters with a really profound philosophical point.

He says Gold Diamond is assuming that because there was no stimulus, there was no perception.

But Nyser asks, why do we assume they were lying?

He goes back to the hallucination idea.

Exactly.

He says, if figural synthesis is real, then the subjects literally constructed the word Gomeg out of the smudge.

They didn't just guess it verbally.

Their visual system saw it.

So he separates visual synthesis from verbal processing.

Right.

He says there are two ways to get to a word.

You can construct the visual image, actually seeing it, or you can just infer the name, just saying it.

Nyser admits Gold Diamond proved that verbal guessing happens.

Of course it does.

But he argues Gold Diamond didn't disprove that visual synthesis also happens.

So is the difference between I think that was a bear and I literally hallucinated a bear in the shadows.

And Nyser argues that in reading we do both.

But the visual part, the synthesis is the primary magic.

Let's talk about another way we build this visual reality.

Repetition.

The chapter details this Haber and Hershenson study.

This is like watching a photo develop in a dark room.

This is a beautiful experiment because it slows the synthesis process right down.

They would flash a word, let's say tree, at a very, very fast speed, maybe 10 milliseconds.

Too fast to see anything.

Right.

The subject says, I saw a flash.

So they flash it again.

Same word, same speed.

And the subject says maybe a letter T.

Flash it again.

Same speed.

OK, I see a T and an E at the end.

Flash it again.

Tree.

It's tree.

But the physical light hitting the eye was identical every single time.

Why do they see it the fourth time and not the first?

Because perception is cumulative.

Nyser argues that with each flash, you grab one bone chip from the icon.

You hold on to it.

On the next flash, you grab another chip and you attach it to the first.

You are literally building the word piece by piece across time.

That is fascinating.

It's like downloading a large image on old dial up Internet.

It just loads in chunks.

Even though the Internet, the flash is cutting out every split second.

OK, we have to pivot to the part of the chapter that probably got the most giggles in the psych lab.

The dirty word effect or scientifically perceptual defense.

Yes.

This was a very hot topic in the mid century.

The finding was simple.

Taboo words have higher recognition thresholds, meaning it's harder to see whore than it is to see shore.

Exactly.

You might need 30 milliseconds to see shore, but you might need 50 or 60 milliseconds to see whore or bitch or penis.

The early theory for this was very Freudian, right?

That we have a sensor in our mind, a little guardian angel that blocks the bad words from reaching our consciousness.

And Nyser, being a cognitive psychologist, just hated that explanation.

It's too magical.

So he offers three very practical reasons.

First, familiarity.

Unless you're reading some very specific literature, you physically see the word share in print way more often than you see the word whore.

So the bone chips for it are just less familiar.

Exactly.

Second,

expectation.

Imagine you are a 19 year old undergrad in 1955.

You're sitting in a prestigious university lab with a man in a white lab coat.

Do you expect him to flash the F word at you?

Absolutely not.

You're expecting apple or house or something neutral.

So your synthesis mechanism just isn't prime for profanity.

But the third reason is the most human and frankly, the funniest.

It's the suppression theory.

This is the social awkwardness factor.

Imagine the situation.

You see the flash, you grab the chips, your brain synthesizes penis.

But you're sitting there with Professor Stern face and you think, wait,

did I really see that?

Maybe it was pennies.

Maybe it was peanuts.

You doubt your own eyes.

You suppress the response.

You wait until the next trial when the flash is a little longer and you are 100 % sure before you risk saying it out loud.

And they prove this by changing the social vibe of the experiment, didn't they?

Yes.

If the experimenter swore a bunch beforehand or said, hey, just so you know, we're going to see some nasty words today.

The threshold dropped immediately.

Once it was socially safe, people saw the dirty words just as fast as the clean ones.

So it wasn't a perceptual block at all.

It was just a social filter.

Precisely.

But there is a weirder cousin to this phenomenon.

Subception.

This is the idea that your body knows what the word is before your mind does.

This comes from the Lazarus and McCleary experiment.

And this is where things get a little conditioned response.

They took nonsense words.

Let's use GAAW as the example.

And they paired them with electric shocks.

Classic psychology.

Read this.

Now you get a zap.

So after a while, when you see GSS shower,

your palms start to sweat.

You get a galvanic skin response, a GSR.

You are conditioned to fear that word.

OK, so then they put you in the tachystoscope.

They flash GSRE too fast to read.

And they ask the subject, what was the word?

They say, I don't know.

But if you look at the GSR meter, the needle jumps, they're sweating.

Their body is screaming danger while their conscious mind is saying, I saw nothing.

People must have gone nuts for this, right?

It sounds like proof of a super unconscious, the magical inner self that sees everything.

It does.

It really does.

But Nyser pulls us back to Earth with fragment theory again.

He says, look, you don't need magic for this.

You just need partial information.

How does that explain the sweating, though?

Well, the subject sees a fragment, maybe just the GAAW.

That fragment isn't enough information to synthesize the whole word GAAW and give a confident verbal report.

It's too ambiguous.

But it is enough to trigger the fear.

Exactly.

The fear response is dirty and fast.

It triggers on partial pews.

It's like seeing a curved shape in the grass.

You jump back because it might be a snake long before you consciously identify, oh, it's just a hose.

The autonomic system has a much lower threshold for partial data than the conscious verbal system does.

So it's not that your unconscious is smarter than you.

It's just that your fear reflex is trigger happy.

It jumps the gun on the bone chips before the dinosaur is even fully built.

This brings us to the final and I think the most important section of our deep dive, reading for meaning, because everything we've talked about so far, identifying Apple or whore is about single words.

But we don't read lists of words.

We read books.

We read ideas.

And this is the paradox we started with.

If you analyze reading speeds for, say, a novel, people go incredibly fast, faster than the 200 milliseconds per word we talked about earlier.

We are breaking the speed limit of our own word recognition.

Neisser calls this analysis by synthesis, but on a macro scale.

He argues that reading is externally guided thinking, externally guided thinking.

That is a heavy concept.

Unpack that a little.

When you're reading a sentence, you aren't just naming the words one by one.

You're constructing a deep cognitive structure, basically a stream of thought.

The words on the page are just cues to keep your thought stream on the right rails.

I'm not saying the dog ran in my head.

Not really.

You are synthesizing the concept of the dog running.

This is why you can skim.

You skip the you skip and you grab the noun.

You grab the verb and your brain builds the movie scene.

The text mentions the I voice span.

This blew my mind.

Yes.

If you ask someone to read aloud, their eyes are actually scanning about four or five words ahead of where their voice is.

They're buffering the future.

They're synthesizing the meaning of the entire phrase before they even articulate the first word.

This proves that seeing and understanding are happening in these large synthesized chunks, not word by word.

It connects back to the very beginning.

We don't read letters to get words.

And it turns out we don't even really read words to get meaning.

We consume visual patterns to build thoughts.

Exactly.

And Nyser concludes that rapid reading is an achievement that is impossible in theory, as it is commonplace in practice.

We still don't fully understand the upper limits of how much information we can synthesize at once.

It really makes you appreciate the act of reading.

It's not passive absorption at all.

It's an act of creation.

It is every page you turn.

You are building a world in the fading light of your iconic memory.

So let's wrap this up.

We've covered a lot of ground.

What are the big takeaways for you today?

I'd say first, abandon the idea that your eyes are cameras.

They're not.

You are a builder.

You don't read letter by letter.

You synthesize words from cues like spelling patterns and general shapes.

Second, familiarity is fuel.

The more you know the patterns, the vernalettes and glirks of your language, the faster you can build.

Third, perception is always a mix of what's really out there and what you expect to be out there.

We see what we expect to see.

That's why we hallucinate the R in forever and why we struggle to see dirty words in a polite lab setting.

And finally, these weird phenomena like subception aren't mystical.

They're just evidence that our bodies can react to partial fragments before our minds have finished the whole construction job.

Precisely.

The mind is a machine that is built to jump to conclusions.

And reading only works because most of the time those conclusions are right.

I want to leave you with one final thought.

If nicer is right and figural synthesis is how we see everything,

then reading is, in essence, a controlled hallucination.

You are hallucinating a shared reality based on tiny clues and your own vast experience.

You are creating this podcast in your mind right now.

A controlled hallucination.

I like that.

Thanks for diving deep with us today on the mechanics of the mind.

This deep dive was brought to you by the last minute lecture team.

Happy reading.