“Funny, curious, erudite, and full of useful details about ancient techniques of training memory.” —The Boston Globe
The blockbuster phenomenon that charts an amazing journey of the mind while revolutionizing our concept of memory
An instant bestseller that is poised to become a classic, Moonwalking with Einstein recounts Joshua Foer's yearlong quest to improve his memory under the tutelage of top "mental athletes." He draws on cutting-edge research, a surprising cultural history of remembering, and venerable tricks of the mentalist's trade to transform our understanding of human memory. From the United States Memory Championship to deep within the author's own mind, this is an electrifying work of journalism that reminds us that, in every way that matters, we are the sum of our memories.
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There were no other survivors.
Family members arriving at the scene of the fifth-century-B.C. banquet hall catastrophe pawed at the debris for signs of their loved ones—rings, sandals, anything that would allow them to identify their kin for proper burial.
Minutes earlier, the Greek poet Simonides of Ceos had stood to deliver an ode in celebration of Scopas, a Thessalian nobleman. As Simonides sat down, a messenger tapped him on the shoulder. Two young men on horseback were waiting outside, anxious to tell him something. He stood up again and walked out the door. At the very moment he crossed the threshold, the roof of the banquet hall collapsed in a thundering plume of marble shards and dust.
He stood now before a landscape of rubble and entombed bodies. The air, which had been filled with boisterous laughter moments before, was smoky and silent. Teams of rescuers set to work frantically digging through the collapsed building. The corpses they pulled out of the wreckage were mangled beyond recognition. No one could even say for sure who had been inside. One tragedy compounded another.
Then something remarkable happened that would change forever how people thought about their memories. Simonides sealed his senses to the chaos around him and reversed time in his mind. The piles of marble returned to pillars and the scattered frieze fragments reassembled in the air above. The stoneware scattered in the debris re-formed into bowls. The splinters of wood poking above the ruins once again became a table. Simonides caught a glimpse of each of the banquet guests at his seat, carrying on oblivious to the impending catastrophe. He saw Scopas laughing at the head of the table, a fellow poet sitting across from him sponging up the remnants of his meal with a piece of bread, a nobleman smirking. He turned to the window and saw the messengers approaching, as if with some important news.
Simonides opened his eyes. He took each of the hysterical relatives by the hand and, carefully stepping over the debris, guided them, one by one, to the spots in the rubble where their loved ones had been sitting.
At that moment, according to legend, the art of memory was born.
THE SMARTEST MAN IS HARD TO FIND
Dom DeLuise, celebrity fat man (and five of clubs), has been implicated in the following unseemly acts in my mind’s eye: He has hocked a fat globule of spittle (nine of clubs) on Albert Einstein’s thick white mane (three of diamonds) and delivered a devastating karate kick (five of spades) to the groin of Pope Benedict XVI (six of diamonds). Michael Jackson (king of hearts) has engaged in behavior bizarre even for him. He has defecated (two of clubs) on a salmon burger (king of clubs) and captured his flatulence (queen of clubs) in a balloon (six of spades). Rhea Perlman, diminutive Cheers bartendress (and queen of spades), has been caught cavorting with the seven-foot-seven Sudanese basketball star Manute Bol (seven of clubs) in a highly explicit (and in this case, anatomically improbable) two-digit act of congress (three of clubs).
This tawdry tableau, which I’m not proud to commit to the page, goes a long way toward explaining the unlikely spot I find myself in at the moment. Sitting to my left is Ram Kolli, an unshaven twenty-five-year-old business consultant from Richmond, Virginia, who is also the defending United States memory champion. To my right is the muzzle of a television camera from a national cable network. Spread out behind me, where I can’t see them and they can’t disturb me, are about a hundred spectators and a pair of TV commentators offering play-by-play analysis. One is a blow-dried veteran boxing announcer named Kenny Rice, whose gravelly, bedtime voice can’t conceal the fact that he seems bewildered by this jamboree of nerds. The other is the Pelé of USA memory sport, a bearded forty-three-year-old chemical engineer and four-time national champion from Fayetteville, North Carolina, named Scott Hagwood. In the corner of the room sits the object of my affection: a kitschy two-tiered trophy consisting of a silver hand with gold nail polish brandishing a royal flush, and, in a patriotic flourish, three bald eagles perched just below. It’s nearly as tall as my two-year-old niece (and lighter than most of her stuffed animals).
The audience has been asked not to take any flash photographs and to maintain total silence. Not that Ram or I could possibly hear them. Both of us are wearing earplugs. I’ve also got on a pair of industrial-strength earmuffs that look like they belong on an aircraft carrier deckhand (because in the heat of a memory competition, there is no such thing as deaf enough). My eyes are closed. On a table in front of me, lying facedown between my hands, are two shuffled decks of playing cards. In a moment, the chief arbiter will click a stopwatch and I will have five minutes to memorize the order of both decks.
The unlikely story of how I ended up in the finals of the USA Memory Championship, stock-still and sweating profusely, begins a year earlier on a snowy highway in central Pennsylvania. I had been driving from my home in Washington, D.C., to the Lehigh Valley to do an interview for Discover magazine with a theoretical physicist at Kutztown University, who had invented a vacuum chamber device that was supposed to pop the world’s largest popcorn. My route took me through York, Pennsylvania, home of the Weightlifting Hall of Fame and Museum. I thought that sounded like something I didn’t want to die without having seen. And I had an hour to kill.
As it turned out, the Hall of Fame was little more than a sterile collection of old photographs and memorabilia displayed on the ground floor of the corporate offices of the nation’s largest barbell manufacturer. Museologically, it was crap. But it’s where I first saw a black-and-white photo of Joe “The Mighty Atom” Greenstein, a hulking five-foot-four Jewish-American strongman who had earned his nickname in the 1920s by performing such inspiring feats as biting quarters in half and lying on a bed of nails while a fourteen-man Dixieland band played on his chest. He once changed all four tires on a car without any tools. A caption next to the photo billed Greenstein as “the strongest man in the world.”
Staring at that photo, I thought it would be pretty interesting if the world’s strongest person ever got to meet the world’s smartest person. The Mighty Atom and Einstein, arms wrapped around each other: an epic juxtaposition of muscle and mind. A neat photo to hang above my desk, at least. I wondered if it had ever been taken. When I got home, I did a little Googling. The world’s strongest person was pretty easy to find: His name was Mariusz Pudzianowski. He lived in Biała Rawska, Poland, and could deadlift 924 pounds (about thirty of my nieces).
The world’s smartest person, on the other hand, was not so easily identified. I typed in “highest IQ,” “intelligence champion,” “smartest in the world.” I learned that there was someone in New York City with an IQ of 228, and a chess player in Hungary who once played fifty-two simultaneous blindfolded games. There was an Indian woman who could calculate the twenty-third root of a two-hundred-digit number in her head in fifty seconds, and someone else who could solve a four-dimensional Rubik’s cube, whatever that is. And of course there were plenty of more obvious Stephen Hawking types of candidates. Brains are notoriously trickier to quantify than brawn.
In the course of my Googling, though, I did discover one intriguing candidate who was, if not the smartest person in the world, at least some kind of freakish genius. His name was Ben Pridmore, and he could memorize the precise order of 1,528 random digits in an hour and—to impress those of us with a more humanist bent—any poem handed to him. He was the reigning world memory champion.
Over the next few days, my brain kept returning to Ben Pridmore’s. My own memory was average at best. Among the things I regularly forgot: where I put my car keys (where I put my car, for that matter); the food in the oven; that it’s “its” and not “it’s”; my girlfriend’s birthday, our anniversary, Valentine’s Day; the clearance of the doorway to my parents’ cellar (ouch); my friends’ phone numbers; why I just opened the fridge; to plug in my cell phone; the name of President Bush’s chief of staff; the order of the New Jersey Turnpike rest stops; which year the Redskins last won the Super Bowl; to put the toilet seat down.
Ben Pridmore, on the other hand, could memorize the order of a shuffled deck of playing cards in thirty-two seconds. In five minutes he could permanently commit to memory what happened on ninety-six different historical dates. The man knew fifty thousand digits of pi. What was not to envy? I had once read that the average person squanders about forty days a year compensating for things he or she has forgotten. Putting aside for a moment the fact that he was temporarily unemployed, how much more productive must Ben Pridmore be?
Every day there seems to be more to remember: more names, more passwords, more appointments. With a memory like Ben Pridmore’s, I imagined, life would be qualitatively different—and better. Our culture constantly inundates us with new information, and yet our brains capture so little of it. Most just goes in one ear and out the other. If the point of reading were simply to retain knowledge, it would probably be the single least efficient activity I engage in. I can spend a half dozen hours reading a book and then have only a foggy notion of what it was about. All those facts and anecdotes, even the stuff interesting enough to be worth underlining, have a habit of briefly making an impression on me and then disappearing into who knows where. There are books on my shelf that I can’t even remember whether I’ve read or not.
What would it mean to have all that otherwise-lost knowledge at my fingertips? I couldn’t help but think that it would make me more persuasive, more confident, and, in some fundamental sense, smarter. Certainly I’d be a better journalist, friend, and boyfriend. But more than that, I imagined that having a memory like Ben Pridmore’s would make me an altogether more attentive, perhaps even wiser, person. To the extent that experience is the sum of our memories and wisdom the sum of experience, having a better memory would mean knowing not only more about the world, but also more about myself. Surely some of the forgetting that seems to plague us is healthy and necessary. If I didn’t forget so many of the dumb things I’ve done, I’d probably be unbearably neurotic. But how many worthwhile ideas have gone unthought and connections unmade because of my memory’s shortcomings?
I kept returning to something Ben Pridmore said in a newspaper interview, which made me ponder just how different his memory and my own might really be. “It’s all about technique and understanding how the memory works,” he told the reporter. “Anyone could do it, really.”
A couple weeks after my trip to the Weightlifting Hall of Fame, I stood in the back of an auditorium on the nineteenth floor of the Con Edison headquarters near Union Square in Manhattan, an observer at the 2005 USA Memory Championship. Spurred by my fascination with Ben Pridmore, I was there to write a short piece for Slate magazine about what I imagined would be the Super Bowl of savants.
The scene I stumbled on, however, was something less than a clash of titans: a bunch of guys (and a few ladies), widely varying in both age and hygienic upkeep, poring over pages of random numbers and long lists of words. They referred to themselves as “mental athletes,” or just MAs for short.
There were five events. First the contestants had to learn by heart a fifty-line unpublished poem called “The Tapestry of Me.” Then they were provided with ninety-nine photographic head shots accompanied by first and last names and given fifteen minutes to memorize as many of them as possible. Then they had another fifteen minutes to memorize a list of three hundred random words, five minutes to memorize a page of a thousand random digits (twenty-five lines of numbers, forty numbers to a line), and another five minutes to learn the order of a shuffled deck of playing cards. Among the competitors were two of the world’s thirty-six grand masters of memory, a rank attained by memorizing a sequence of a thousand random digits in under an hour, the precise order of ten shuffled decks of playing cards in the same amount of time, and the order of one shuffled deck in less than two minutes.
Though on the face of it these feats might seem like little more than geeky party tricks—essentially useless, and perhaps even vaguely pathetic—what I discovered as I talked to the competitors was something far more serious, a story that made me reconsider the limits of my own mind and the very essence of my education.
I asked Ed Cooke, a young grand master from England who had come to the USA event as spring training for that summer’s World Championship (since he was a non-American, his scores couldn’t be counted in the USA contest), when he first realized he was a savant.
“Oh, I’m not a savant,” he said, chuckling.
“Photographic memory?” I asked.
He chuckled again. “Photographic memory is a detestable myth,” he said. “Doesn’t exist. In fact, my memory is quite average. All of us here have average memories.”
That seemed hard to square with the fact that I’d just watched him recite back 252 random digits as effortlessly as if they’d been his own telephone number.
“What you have to understand is that even average memories are remarkably powerful if used properly,” he said. Ed had a blocky face and a shoulder-length mop of curly brown hair, and could be counted among the competitors who were least concerned with habits of personal grooming. He was wearing a suit with a loosened tie and, incongruously, a pair of flip-flops emblazoned with the Union Jack. He was twenty-four years old but carried his body like someone three times that age. He hobbled about with a cane at his side—“a winning prop,” he called it—which was necessitated by a recent painful relapse of chronic juvenile arthritis. He and all the other mental athletes I met kept insisting, as Ben Pridmore had in his interview, that anyone could do what they do. It was simply a matter of learning to “think in more memorable ways” using the “extraordinarily simple” 2,500-year-old mnemonic technique known as the “memory palace” that Simonides of Ceos had supposedly invented in the rubble of the great banquet hall collapse.
The techniques of the memory palace—also known as the journey method or the method of loci, and more broadly as the ars memorativa, or “art of memory”—were refined and codified in an extensive set of rules and instruction manuals by Romans like Cicero and Quintilian, and flowered in the Middle Ages as a way for the pious to memorize everything from sermons and prayers to the punishments awaiting the wicked in hell. These were the same tricks that Roman senators had used to memorize their speeches, that the Athenian statesman Themistocles had supposedly used to memorize the names of twenty thousand Athenians, and that medieval scholars had used to memorize entire books.
Ed explained to me that the competitors saw themselves as “participants in an amateur research program” whose aim was to rescue a long-lost tradition of memory training that had disappeared centuries ago. Once upon a time, Ed insisted, remembering was everything. A trained memory was not just a handy tool, but a fundamental facet of any worldly mind. What’s more, memory training was considered a form of character building, a way of developing the cardinal virtue of prudence and, by extension, ethics. Only through memorizing, the thinking went, could ideas truly be incorporated into one’s psyche and their values absorbed. The techniques existed not just to memorize useless information like decks of playing cards, but also to etch into the brain foundational texts and ideas.
But then, in the fifteenth century, Gutenberg came along and turned books into mass-produced commodities, and eventually it was no longer all that important to remember what the printed page could remember for you. Memory techniques that had once been a staple of classical and medieval culture got wrapped up with the occult and esoteric Hermetic traditions of the Renaissance, and by the nineteenth century they had been relegated to carnival sideshows and tacky self-help books—only to be resurrected in the last decades of the twentieth century for this bizarre and singular competition.
The leader of this renaissance in memory training is a slick sixty-seven-year-old British educator and self-styled guru named Tony Buzan, who claims to have the highest “creativity quotient” in the world. When I met him, in the cafeteria of the Con Edison building, he was wearing a navy suit with five enormous gold-rimmed buttons and a collarless shirt, with another large button at his throat that gave him the air of an Eastern priest. A neuron-shaped pin adorned his lapel. His watch face bore a reproduction of Dali’s Persistence of Memory (the one with the dripping watch face). He referred to the competitors as “warriors of the mind.”
Buzan’s grizzled face looked a decade older than his sixty-seven years, but the rest of him was as trim as a thirty-year-old. He rows between six and ten kilometers every morning on the river Thames, he told me, and he makes a point of eating lots of “brain-healthy” vegetables and fish. “Junk food in: junk brain. Healthy food in: healthy brain,” he said.
When he walked, Buzan seemed to glide across the floor like an air hockey puck (the result, he later told me, of forty years’ training in the Alexander Technique). When he spoke, he gesticulated with a polished, staccato precision that could only have been honed in front of a mirror. Often, he punctuated a key point with an explosion of fingers from his closed fist.
Buzan founded the World Memory Championship in 1991 and has since established national championships in more than a dozen countries, from China to South Africa to Mexico. He says he has been working with a missionary’s zeal since the 1970s to get these memory techniques implemented in schools around the world. He calls it a “global education revolution focusing on learning how to learn.” And he’s been minting himself a serious fortune in the process. (According to press reports, Michael Jackson ran up a $343,000 bill for Buzan’s mind-boosting services shortly before his death.)
Buzan believes schools go about teaching all wrong. They pour vast amounts of information into students’ heads, but don’t teach them how to retain it. Memorizing has gotten a bad rap as a mindless way of holding onto facts just long enough to pass the next exam. But it’s not memorization that’s evil, he says; it’s the tradition of boring rote learning that he believes has corrupted Western education. “What we have been doing over the last century is defining memory incorrectly, understanding it incompletely, applying it inappropriately, and condemning it because it doesn’t work and isn’t enjoyable,” Buzan argues. If rote memorization is a way of scratching impressions onto our brains through the brute force of repetition—the old “drill and kill” method—then the art of memory is a more elegant way of remembering through technique. It is faster, less painful, and produces longer-lasting memories, Buzan told me.
“The brain is like a muscle,” he said, and memory training is a form of mental workout. Over time, like any form of exercise, it’ll make the brain fitter, quicker, and more nimble. It’s an idea that dates back to the very origins of memory training. Roman orators argued that the art of memory—the proper retention and ordering of knowledge—was a vital instrument for the invention of new ideas. Today, the “mental workout” has gained great currency in the popular imagination. Brain gyms and memory boot camps are a growing fad, and brain training software was a $265 million industry in 2008, no doubt in part because of research that shows that older people who keep their minds active with crossword puzzles and chess can stave off Alzheimer’s and progressive dementia, but mostly because of the Baby Boomer generation’s intense insecurity about losing their marbles. But while there is much solid science to back up the dementia-defying benefits of an active brain, Buzan’s most hyperbolic claims about the collateral effects of “brain exercise” should inspire a measured dose (at least) of skepticism. Nevertheless, it was hard to argue with the results. I’d just watched a forty-seven-year-old competitor recite, in order, a list of a hundred random words he’d learned a few minutes earlier.
Buzan was eager to sell me on the idea that his own memory has been improving year after year, even as he ages. “People assume that memory decline is a function of being human, and therefore natural,” he said. “But that is a logical error, because normal is not necessarily natural. The reason for the monitored decline in human memory performance is because we actually do anti-Olympic training. What we do to the brain is the equivalent of sitting someone down to train for the Olympics and making sure he drinks ten cans of beer a day, smokes fifty cigarettes, drives to work, and maybe does some exercise once a month that’s violent and damaging, and spends the rest of the time watching television. And then we wonder why that person doesn’t do well in the Olympics. That’s what we’ve been doing with memory.”
I pestered Buzan about how hard it would be to learn these techniques. How did the competitors train? How quickly did their memories improve? Did they use these techniques in everyday life? If they were really as simple and effective as he was claiming, how come I’d never heard of them before? Why weren’t we all using them?
“You know,” he replied, “instead of asking me all these questions, you should just try it for yourself.”
“What would it take, theoretically, for someone like me to train for the USA Memory Championship?” I asked him.
“If you want to make it into the top three of the U.S. championship, it’d be a good idea to spend an hour a day, six days a week. If you spent that much time, you’d do very well. If you wanted to enter the world championship, you’d need to spend three to four hours a day for the final six months leading up to the championship. It gets heavy.”
Later that morning, while the competitors were trying to memorize “The Tapestry of Me,” Buzan took me aside and put his hand on my shoulder.
“Remember our little talk? Think about it. That could be you up there on the stage, the next USA memory champion.”
During a break between the poem memorization and the names-and-faces event, I headed for the sidewalk outside the Con Ed building to escape the locker-room humidity. There I ran into the mop-haired, cane-toting English mnemonist Ed Cooke and his lanky sidekick, the Austrian grand master Lukas Amsüss, rolling their own cigarettes.
Ed had graduated from Oxford the previous spring with a first-class degree in psychology and philosophy and told me that he was simultaneously toying with writing a book titled The Art of Introspection and pursuing his cognitive science PhD at the University of Paris, where he was doing outré research with the aim of “making people feel like their body has shrunk to a tenth of its normal size.” He was also working on inventing a new color—“not just a new color, but a whole new way of seeing color.”
Lukas, a University of Vienna law student who advertised himself as the author of a short pamphlet titled “How to Be Three Times Cleverer Than Your IQ,” was leaning against the building, trying to justify to Ed his miserable showing in the random words event: “I’ve never heard even of these English words ‘yawn,’ ‘ulcer,’ and ‘aisle’ before,” he insisted in a stiff Austrian accent, “How can I be expected to memorize them?”
At the time, Ed and Lukas were respectively the eleventh- and ninth-best memorizers in the world, the only grand masters at the event, and the only competitors who had shown up in suit and tie. They were eager to share with me (or anyone) their plan to cash in on their mnemonic fame by building a “memory gymnasium” called the Oxford Mind Academy. Their idea was that subscribers—mostly business executives, they hoped—would pay to have personal mental workout trainers. Once the world learned the benefits of training one’s memory, they imagined that cash would fall from the sky. “Ultimately,” Ed told me, “we are looking to rehabilitate Western education.”
“Which we consider to be degenerate,” Lukas added.
Ed explained to me that he saw his participation in memory competitions as part of his attempt to unravel the secrets of human memory. “I figure that there are two ways of figuring out how the brain works,” he said. “The first is the way that empirical psychology does it, which is that you look from the outside and take a load of measurements on a load of different people. The other way follows from the logic that a system’s optimal performance can tell you something about its design. Perhaps the best way to understand human memory is to try very hard to optimize it—ideally with a load of bright people in conditions where they get rigorous and objective feedback. That’s what the memory circuit is.”
The contest itself unfolded with all the excitement of, say, the SAT. The contestants sat quietly at tables staring at sheets of paper, then scribbled answers that they handed off to judges. After each event, scores were quickly calculated and displayed on a screen at the front of the room. But much to the dismay of a journalist trying to write about a national memory championship, the “sport” had none of the public agony of a basketball game, or even a spelling bee. Sometimes it was difficult to tell whether competitors were deep in thought or sleep. There may have been a lot of dramatic temple massaging and nervous foot tapping and the occasional empty stare of defeat, but mostly the drama was inside the competitors’ heads, inaccessible to spectators.
A troubling thought percolated to the front of my brain as I stood in the back of the Con Edison auditorium watching these supposedly normal human beings perform their almost unfathomable mental acrobatics: I didn’t have a clue how my own memory worked. Was there even such a place as the front of my brain? A slow wave of questions swept over me—things I’d never bothered to wonder about, but which all of a sudden seemed profoundly pressing. What exactly is a memory? How is one created? And how does it get stored? I’d spent the first two and a half decades of my life with a memory that operated so seamlessly that I’d never had cause to stop and inquire about its mechanics. And yet, now that I was stopping to think about it, I realized that it actually didn’t work all that seamlessly. It completely failed in certain areas, and worked far too well in others. And it had so many inexplicable quirks. That very morning my brain had been held hostage by an unbearable Britney Spears song, forcing me to spend the better part of a subway ride humming Hanukkah jingles in an attempt to dislodge it. What was that about? A few days earlier, I had been trying to tell a friend about an author I admired, only to find that I remembered the first letter of his last name, and nothing else. How come that happened? And why didn’t I have a single memory before the age of three? For that matter, why couldn’t I remember what I had for breakfast just the day before, even though I remembered exactly what I was having for breakfast—Corn Pops, coffee, and a banana—four years earlier when I was told that a plane had just crashed into one of the twin towers? And why am I always forgetting why I opened the refrigerator door?
I came away from the USA Memory Championship eager to find out how Ed and Lukas did it. Were these just extraordinary individuals, prodigies from the long tail of humanity’s bell curve, or was there something we could all learn from their talents? I was skeptical about them for the same reason I was skeptical about Tony Buzan. Any self-appointed guru who has earned himself a king’s ransom in the modern “self-help” racket is bound to perk up a journalist’s bullshit detector, and Buzan had set off every alarm bell I’ve got. I didn’t yet know enough to know whether he was selling hype or science, but his over-the-top packaging—“a global education revolution”!—certainly smacked of the former.
Was it really true that anyone could learn to quickly memorize huge quantities of information? Anyone? I was willing to believe Buzan when he said there were techniques that one could learn to marginally improve one’s memory around the edges, but I didn’t fully believe him (or Ed) when he said that any schmo off the street could learn to memorize entire decks of playing cards or thousands of binary digits. The alternate explanation just seemed a whole lot more plausible: that Ed and his colleagues had some freakish innate talent that was the mental equivalent of André the Giant’s height or Usain Bolt’s legs.
Indeed, much of what’s been written about memory improvement by self-help gurus is tainted by hucksterism. When I checked out the self-help aisle at my local Barnes & Noble, I found stacks of books making fevered claims that they could teach me how to “never forget a telephone number or date” or “develop instant recall.” One book even pronounced that it could show me how to use the “other 90 percent” of my brain, which is one of those pseudoscientific clichés that makes about as much sense as saying I could be taught to use the other 90 percent of my hand.
But memory improvement has also long been investigated by people whose relationships to the subject are less obviously profitable and whose claims are inspected by peer review. Academic psychologists have been interested in expanding our native memory capacities ever since Hermann Ebbinghaus first brought the study of memory into the laboratory in the 1870s.
This book is about the year I spent trying to train my memory, and also trying to understand it—its inner workings, its natural deficiencies, its hidden potential. It’s about how I learned firsthand that our memories are indeed improvable, within limits, and that the skills of Ed and Lukas can indeed be tapped by all of us. It’s also about the scientific study of expertise, and how researchers who study memory champions have discovered general principles of skill acquisition—secrets to improving at just about anything—from how mental athletes train their brains.
Though this is not meant to be a self-help book, I hope you’ll come away with a sense of how one goes about training one’s memory, and how memory techniques can be used in everyday life.
Those techniques have a surprisingly rich and important legacy. The role that they have played in the development of Western culture is one of the great themes in intellectual history whose story is not widely known outside of the rarefied academic corners in which it is studied. Mnemonic systems like Simonides’ memory palace profoundly shaped the way people approached the world from the time of antiquity through the Middle Ages and the Renaissance. And then they all but disappeared.
Physiologically, we are virtually identical to our ancestors who painted images of bison on the walls of the Lascaux cave in France, among the earliest cultural artifacts to have survived to the present day. Our brains are no larger or more sophisticated than theirs. If one of their babies were to be dropped into the arms of an adoptive parent in twenty-first-century New York, the child would likely grow up indistinguishable from his or her peers.
All that differentiates us from them is our memories. Not the memories that reside in our own brains, for the child born today enters the world just as much a blank slate as the child born thirty thousand years ago, but rather the memories that are stored outside ourselves—in books, photographs, museums, and these days in digital media. Once upon a time, memory was at the root of all culture, but over the last thirty millennia since humans began painting their memories on cave walls, we’ve gradually supplanted our own natural memory with a vast superstructure of external memory aids—a process that has sped up exponentially in recent years. Imagine waking up tomorrow and discovering that all the world’s ink had become invisible and all our bytes had disappeared. Our world would immediately crumble. Literature, music, law, politics, science, math: Our culture is an edifice built of externalized memories.
If memory is our means of preserving that which we consider most valuable, it is also painfully linked to our own transience. When we die, our memories die with us. In a sense, the elaborate system of externalized memory we’ve created is a way of fending off mortality. It allows ideas to be efficiently passed across time and space, and for one idea to build on another to a degree not possible when a thought has to be passed from brain to brain in order to be sustained.
The externalization of memory not only changed how people think; it also led to a profound shift in the very notion of what it means to be intelligent. Internal memory became devalued. Erudition evolved from possessing information internally to knowing how and where to find it in the labyrinthine world of external memory. It’s a telling statement that pretty much the only place where you’ll find people still training their memories is at the World Memory Championship and the dozen national memory contests held around the globe. What was once a cornerstone of Western culture is now at best a curiosity. But as our culture has transformed from one that was fundamentally based on internal memories to one that is fundamentally based on memories stored outside the brain, what are the implications for ourselves and for our society? What we’ve gained is indisputable. But what have we traded away? What does it mean that we’ve lost our memory?
THE MAN WHO REMEMBERED TOO MUCH
In May 1928, the young journalist S walked into the office of the Russian neuropsychologist A. R. Luria and politely asked to have his memory tested. He had been sent by his boss, the editor of the newspaper where he worked. Each morning, at the daily editorial meeting, his boss would dole out the day’s assignments to the roomful of reporters in a rapid stream of facts, contacts, and addresses that they would need to file their stories. All the reporters took copious notes, except one. S simply watched and listened.
One morning, fed up at the reporter’s apparent inattentiveness, the editor took S aside to lecture him about the need to take his job seriously. Did he think all that information was being read off each morning just because the editor liked to hear his own voice? Did he think he could report his stories without contacts? That he could simply reach out to people telepathically, without knowing their addresses? If he hoped to have any future in the world of newspaper journalism, he’d have to begin paying attention and jotting notes, the editor told him.
S stared at the editor blankly through his scolding and waited for him to finish. Then he calmly repeated back every detail of the morning meeting, word for word. The editor was floored. He didn’t know what to say. But S would later claim that he, S, felt the bigger shock. Until that moment, he said, he’d always assumed that it was perfectly normal for a person to remember everything.
Upon arriving at Luria’s office, S remained skeptical about his own uniqueness. “He wasn’t aware of any peculiarities in himself and couldn’t conceive of the idea that his memory differed from other people’s,” recalled the psychologist, who gave him a series of tests to evaluate his powers of recall. Luria started by asking S to memorize a list of numbers, and listened in amazement as his shy subject recited back seventy digits, first forward and then backward. “It was of no consequence to him whether the series I gave him contained meaningful words or nonsense syllables, numbers or sounds; whether they were presented orally or in writing,” said Luria. “All he required was that there be a three-to-four-second pause between each element in the series, and he had no difficulty reproducing whatever I gave him.” Luria gave S test after test, and kept getting the same result: The man was unstumpable. “As the experimenter, I soon found myself in a state verging on utter confusion,” Luria recalled. “I simply had to admit that . . . I had been unable to perform what one would think was the simplest task a psychologist can do: measure the capacity of an individual’s memory.”
Luria would go on to study S for the next thirty years, and would eventually write a book about him, The Mind of a Mnemonist: A Little Book About a Vast Memory, that has become one of the most enduring classics in the literature of abnormal psychology. S could memorize complex mathematical formulas without knowing any math, Italian poetry without speaking Italian, and even phrases of gobbledygook. But even more remarkable than the breadth of material he could commit to memory was the fact that his memories seemed never to degrade.
For normal humans, memories gradually decay with time along what’s known as the “curve of forgetting.” From the moment you grasp a new piece of information, your memory’s hold on it begins to slowly loosen, until finally it lets go altogether. In the last decades of the nineteenth century, the German psychologist Hermann Ebbinghaus set out to quantify this inexorable process of forgetting. In order to understand how our memories fade over time, he spent years memorizing 2,300 three-letter nonsense syllables like GUF, LER, and NOK. At set periods, he would test himself to see how many of the syllables he’d forgotten and how many he’d managed to retain. When he graphed the results, he got a curve that looked like this:
No matter how many times he performed the experiment on himself, the results were always roughly the same: In the first hour after learning a set of nonsense syllables, more than half of them would be forgotten. After the first day, another 10 percent would disappear. After a month, another 14 percent. After that, the memories that were left had more or less stabilized—they had become consolidated in long-term memory—and the pace of forgetting slowed to a gentle creep.
S’s memories seemed not to follow the curve of forgetting. No matter how much he’d been asked to remember, or how long ago it had been—as many as sixteen years in some cases—he was always able to recite back the material with the same exactitude as if he’d just learned it. “He would sit with his eyes closed, pause, then comment: ‘Yes, yes . . . this was the series you gave me once when we were in your apartment . . . you were sitting at the table . . . you were wearing a grey suit . . .’ And with that he would reel off the series precisely as I had given it to him at the earlier session,” wrote Luria.
In Luria’s lyrical account, S seems at times like a visitor from another planet, and in the annals of abnormal psychology, his case has often been treated as entirely sui generis. But as I was about to learn, there is another far more exciting interpretation of S’s story: that as rare and singular a case as S might have been, there’s much that the rest of our normal, enfeebled, forgetful brains could learn from his. Indeed, his extraordinary skills may lie dormant in all of us.
After I had wrapped up my reporting on the competition that had brought me to New York, standard journalistic protocol would have been to head back home, write up a short article, and move on to some other story. But that’s not what happened. Instead of boarding a train to Washington, I found myself standing in the back of yet another auditorium—this time, at a public high school on the Upper East Side of Manhattan, where Ed Cooke was supposed to be teaching a roomful of sixteen-year-olds how to use memory techniques to ace their exams. I had canceled my plans for the day and tagged along because he’d promised me that if I hung around with him long enough he would explain to me, in detail, how he and Lukas had taught themselves to remember like S. But before delving into any such esoteric secrets, there was some basic groundwork to be laid. Ed wanted to show me and the students that our memories were already extraordinary—at least when it came to learning certain kinds of information. To do that, he had brought along a version of a memory test known as the two-alternative picture recognition exam.
After introducing himself to the students with some self-deprecating humor—“I’m from England, where we prefer to spend our time memorizing, rather than developing full social lives”—he demonstrated his mnemonic bona fides by learning a seventy-digit number in just over a minute (three times faster than it took S to perform the same feat), and then proceeded straight into a test of the students’ memories, and mine.
“I’m going to show you guys a bunch of pictures, and I’m going to show them to you really, really fast,” he announced, trying to lift his voice above the clamoring teenagers. “I want you to try to remember as many of them as you can.” He pressed a button on a remote control, and the overhead lights dimmed. A series of slides began to blink across a projection screen at the front of the room, each lingering for less than half a second. There was a slide of Muhammad Ali standing triumphantly over Sonny Liston. Then a slide of barbells. Then Neil Armstrong’s footprint on the moon. Then the cover of Friedrich Nietzsche’s On the Genealogy of Morals. And a red rose.
There were thirty such pictures, each appearing and disappearing so quickly that it was hard to imagine we’d ever be able to recall any of them, much less all of them. But I tried my hardest to capture some detail from each, and to make a quick mental note of what I was looking at. After the last slide, a picture of a goat, the wall went blank and the lights came back on.
“Now, do you think you’ll be able to remember all those pictures?” Ed asked us.
A girl sitting just in front of me shouted, “Not a chance!” provoking giggles from several of her colleagues.
“That’s the spirit!” Ed yelled back, and then looked down at his watch to note the time. Of course, the point of the exercise—why else would he have given it?—was that we would be able to remember all those pictures. Like the girl in front of me, I found it hard to believe.
After giving us thirty minutes for the curve of forgetting to work its inevitable erasures on the images we’d glanced at so quickly, Ed put up a new set of slides. This time, there were two pictures on the screen. One of them we’d seen before, and one of them we hadn’t: Muhammad Ali on the left and a fizzling Alka-Seltzer tablet on the right.
He asked us all to point to the picture we recognized. Easy enough. We all knew we’d seen Muhammad Ali, but not the Alka-Seltzer tablet. “Isn’t it striking how easily you remember that?” said Ed, before clicking through to another slide: a deer on the left and the Nietzsche book on the right.
We all knew that one, too. In fact, he went through thirty slides, and everyone in the room recognized every single one of the photos we’d seen before. “Now here’s the fascinating thing,” said Ed, pacing professorially at the front of the linoleum-tiled auditorium. “We could have done this with ten thousand slides, and you would have performed almost equally well. Your memory for images is that good.” He was referring to a frequently cited set of experiments carried out in the 1970s using the exact same picture recognition test that we’d just taken, only instead of thirty images, the researchers asked their subjects to remember ten thousand. (It took five days to perform the test.) That’s a lot of pictures for a mind to keep track of, especially since the subjects were only able to look at each image once. Even so, the scientists found that people were able to recognize more than 80 percent of what they’d seen. In a more recent study, the same test was performed with 2,500 images, but instead of asking people to choose between an image of Muhammad Ali and an Alka-Seltzer tablet (an easy choice, no matter how effervescent Cassius Clay might have been), they had to choose between alternative images that were almost identical: a stack of five dollar bills versus a stack of one dollar bills, a green train car versus a red train car, a bell with a narrow handle versus a bell with a wide handle. Even when the images differed only in a tiny detail, people still remembered 90 percent of them correctly.
I found those numbers astonishing, but I realized they were merely quantifying something that I instinctively knew: that our memories do a pretty darn good job. For all of our griping over the everyday failings of our memories—the misplaced keys, the forgotten name, the factoid stuck on the tip of the tongue—their biggest failing may be that we forget how rarely we forget.
“Here’s the most incredible thing about the test I just gave you,” Ed declared. “We could play this game several years from now and ask you which of these photos you’ve seen before, and you’d actually be able to point to the right one more often than not. Somewhere in your mind there’s a trace from everything you’ve ever seen.”
That sounded like a bold and possibly dubious claim, one that I was curious to look into. Exactly how good are our memories? I wondered. Is it possible we have the capacity to remember everything?
Excerpted from "Moonwalking with Einstein"
Copyright © 2011 Joshua Foer.
Excerpted by permission of Penguin Publishing Group.
All rights reserved. No part of this excerpt may be reproduced or reprinted without permission in writing from the publisher.
Excerpts are provided by Dial-A-Book Inc. solely for the personal use of visitors to this web site.
Table of Contents
One The Smartest Man is Hard to Find 3
Two The Man Who Remembered Too Much
Three The Expert Expert 49
Four The Most Forgetful Man in the World 69
Five The Memory Palace 89
Eight The Ok Plateau 163
Nine The Talented Tenth 187
Ten The Little Rain Man in All Of US 211
Eleven The USA Memory Championship 237
What People are Saying About This
“Moonwalking With Einstein isn’t just a splendid overview of an essential aspect of our humanity—our memory; it is also a witty and engaging account of how Foer went from being a guy with an average memory to winning the U.S. Memory Championship.” –Dan Ariely, author of The Upside of Irrationality: The Unexpected Benefits of Defying Logic at Work and at Home and Predictably Irrational: The Hidden Forces That Shape Our Decisions
“Joshua Foer proves what few of us are willing to get our heads around: there’s more room in our brains that we ever imagined. MOONWALKING WITH EINSTEIN isn’t a how-to guide to remembering a name or where you put your keys. It’s a riveting exploration of humankind’s centuries-old obsession with memory, and one man’s improbable quest to master his own.”--(Stefan Fatsis, author of WORD FREAK and A FEW SECONDS OF PANIC)
“You have to love a writer who employs chick-sexing to help explain human memory. Foer is a charmer, a crackling mind, a fresh wind. He approaches a complex topic with so much humanity, humor, and originality that you don’t realize how much you’re taking in and understanding. It’s kind of miraculous.” --(Mary Roach, author of Stiff, Bonk, and Packing for Mars)
"Absolutely phenomenal... Part of the beauty of this book is that it makes clear how memory and understanding are not two different things. Building up the ability to reason and the ability to retain information go hand in hand... The book reminds us that we all start off with pretty much the same tools for the most part, and we can be intentional about strengthening them, or not."
“In this marvelous book, Joshua Foer invents a new genre of non-fiction. This is a work of science journalism wrapped around an adventure story, a bildungsroman fused to a vivid investigation of human memory. If you want to understand how we remember, and how we can all learn to remember better, then read this book.” –Jonah Lehrer, contributing editor, Wired; author of How We Decide and Proust Was a Neuroscientist
• First, can you explain the title of you book, MOONWALKING WITH EINSTEIN?
The title refers to a memory device I used in the US Memory Championship—specifically it's a mnemonic that helped me memorize a deck of playing cards. Moonwalking with Einstein works as a mnemonic because it's such a goofy image. Things that are weird or colorful are the most memorable. If you try to picture Albert Einstein sliding backwards across a dance floor wearing penny loafers and a diamond glove, that's pretty much unforgettable.
• What are the U.S. Memory Championships? How did you become involved?
The U.S. Memory Championship is a rather bizarre contest held each spring in New York City, in which people get together to see who can remember the most names of strangers, the most lines of poetry, the most random digits. I went to the event as a science journalist, to cover what I assumed would be the Super Bowl of savants. But when I talked to the competitors, they told me something really interesting. They weren't savants. And they didn't have photographic memories. Rather, they'd trained their memories using ancient techniques. They said anyone could do it. I was skeptical. Frankly, I didn't believe them. I said, well, if anyone can do it, could you teach me? A guy named Ed Cooke, who has one of the best trained memories in the world, took me under his wing and taught me everything he knew about memory techniques. A year later I came back to the contest, this time to try and compete, as a sort of exercise in participatory journalism. I was curious simply to see how well I'd do, but I ended up winning the contest. That really wasn't supposed to happen.
• What was the most surprising thing you found out about yourself competing in the Memory Championships?
In the process of studying these techniques, I learned something remarkable: that there's far more potential in our minds than we often give them credit for. I'm not just talking about the fact that it's possible to memorize lots of information using memory techniques. I'm talking about a lesson that is more general, and in a way much bigger: that it's possible, with training and hard work, to teach oneself to do something that might seem really difficult.
• Can you explain the “OK Plateau”?
The OK Plateau is that place we all get to where we just stop getting better at something. Take typing, for example. You might type and type and type all day long, but once you reach a certain level, you just never get appreciably faster at it. That's because it's become automatic. You've moved it to the back of your mind's filing cabinet. If you want to become a faster typer, it's possible, of course. But you've got to bring the task back under your conscious control. You've got to push yourself past where you're comfortable. You have to watch yourself fail and learn from your mistakes. That's the way to get better at anything. And it's how I improved my memory.
• What do you mean by saying there an “art” to memory?
The “art of memory” refers to a set of techniques that were invented in ancient Greece. These are the same techniques that Cicero used to memorize his speeches, and that medieval scholars used to memorize entire books. The “art” is in creating imagery in your mind that is so unusual, so colorful, so unlike anything you've ever seen before that it's unlikely to be forgotten. That's why mnemonists like to say that their skills are as much about creativity as memory.
• How do you think technology has affected how and what we remember?
Once upon a time people invested in their memories, they cultivated them. They studiously furnished their minds. They remembered. Today, of course, we've got books, and computers and smart phones to hold our memories for us. We've outsourced our memories to external devices. The result is that we no longer trust our memories. We see every small forgotten thing as evidence that they're failing us altogether. We've forgotten how to remember.
• What is the connection between memory and our sense of time?
As we get older, life seems to fly by faster and faster. That's because we structure our experience of time around memories. We remember events in relation to other events. But as we get older, and our experiences become less unique, our memories can blend together. If yesterday's lunch is indistinguishable from the one you ate the day before, it'll end up being forgotten. That's why it's so hard to remember meals. In the same way, if you're not doing things that are unique and different and memorable, this year can come to resemble the last, and end up being just as forgettable as yesterday's lunch. That's why it's so important to pack your life with interesting experiences that make your life memorable, and provide a texture to the passage of time.
• How is your memory now?
Ironically, not much better than when I started this whole journey. The techniques I learned, and used in the memory contest, are great for remembering structured information like shopping lists or phone numbers, but they don't improve any sort of underlying, generalizable memory ability. Unfortunately, I still misplace my car keys.