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THINK YOUR MEMORY
IS SO SHARP THAT YOU CAN RECALL
MOST OF WHAT YOU SEE?
THEN PAY CLOSE ATTENTION TO
THIS.
THIS IS AN OBSERVATION TEST.
I'M GOING TO DEAL THE CARDS
FACE-UP ONTO THE TABLE, AND YOU
NEED TO COUNT HOW MANY RED
CARDS I DEAL.
SO THAT IS NUMBER ONE.
IT'S DIFFICULT, SO PAY
ATTENTION, OK?
HERE WE GO.
HOW MANY RED CARDS
DID YOU SEE?
IN FACT, THERE WERE 14 RED
CARDS.
BUT DID YOU SPOT THE PUPPY, OR
THE KITTEN, THE GORILLA, THE
MAN, OR THE WOMAN?
IT'S AMAZING WHAT YOU MISS RIGHT
IN FRONT OF YOUR EYES.
DID YOU SPOT ANY OF
THOSE THINGS?
WE'LL FIND OUT WHAT YOUR RESULTS
SAY ABOUT MEMORY AND THE BRAIN
IN A MINUTE.
THE FACT IS OUR BRAINS AND OUR
MEMORIES PLAY TRICKS ON US ALL
THE TIME.
AND THERE'S A REASON FOR THAT.
YOUR MEMORY IS NOT SIMPLY A
RECORDING.
YOUR MEMORY IS A CAREFULLY
DISTILLED, EDITED, AND OFTEN
OVER-EDITED DIGESTION.
IN THIS SPECIAL
SERIES, YOU'LL PARTICIPATE IN
MIND-BENDING EXPERIMENTS THAT
WILL REVEAL HOW AND WHY HUMAN
MEMORY IS PRONE TO MISTAKES.
WE OFTEN FEEL THAT OUR
MEMORIES ARE EXTREMELY RELIABLE.
BUT SOME OF THE TIME, THEY CAN
BE VERY, VERY INACCURATE.
AND WE'LL SEE HOW
MEMORY MISHAPS HAVE AFFECTED ALL
OF US, EVEN THE FAMOUS, AND
THE INFAMOUS.
WE WILL ALSO EXAMINE HOW THESE
SIMPLE MISTAKES HAVE IMPACTED
HISTORY.
SO OFTEN, THE PERSONAL
MEMORIES THAT WE HAVE ARE NOT
WHAT THEY SEEM.
AND SO OFTEN, THE HISTORY THAT
WE MIGHT CONSIDER TRUTH IS ALSO
NOT WHAT IT SEEMS.
THESE ARE EFFECTIVELY ALL
STORIES.
BY EXPLORING
SPECIFIC CASES, FROM UFO
ABDUCTIONS TO THE ACTUAL
TIMELINE OF THE EVENTS OF 9/11
AS WELL AS THE BATTLEFIELDS OF
WORLD WAR II TO THE INFAMOUS
MURDER TRIAL OF LIZZIE BORDEN,
WE WILL UNCOVER HOW HUMAN MEMORY
HAS SHAPED OUR WORLD AND CHANGED
THE WAY WE REMEMBER HISTORY.
SOMETIMES OUR BRAINS CAN GET
US TO REMEMBER SOMETHING THAT
NEVER ACTUALLY HAPPENED.
GET READY TO PUT
YOUR MEMORY TO THE TEST AS WE
DELVE INTO THE MYSTERIES OF
YOUR BLEEPED-UP BRAIN.
LET'S GO BACK TO RICHARD
WISEMAN'S TEST.
TAKE ANOTHER LOOK.
THIS TIME, DON'T FOCUS ON
COUNTING THE RED CARDS.
KEEP YOUR EYES WIDE OPEN.
YOU NEED TO COUNT HOW MANY
RED CARDS I DEAL.
SO THAT IS NUMBER ONE.
IT'S DIFFICULT, SO PAY
ATTENTION, OK?
HERE WE GO.
IT'S AMAZING WHAT YOU MISS
RIGHT IN FRONT OF YOUR EYES.
DID YOU SPOT THE
HIDDEN PICTURES AND MESSAGES
THIS TIME?
IF YOU DIDN'T REMEMBER SEEING
THOSE THE LAST TIME, IT'S
BECAUSE OF A SIMPLE FACT--YOU
CAN'T REMEMBER WHAT YOU DON'T
NOTICE.
IN FACT, YOU'RE ONLY
CONSCIOUS OF A VERY, VERY SMALL
CIRCLE OF ATTENTION, A KIND OF
SPOTLIGHT THAT MOVES AROUND.
DESPITE HOW COMPLEX
AND SEEMINGLY ADVANCED OUR
BRAINS ARE, THEY ONLY PICK UP A
SMALL FRACTION OF THE
INFORMATION THEY ENCOUNTER
EVERY DAY.
EVEN THOUGH OUR BRAINS ARE A
WONDER OF HUMAN EVOLUTION, THEY
ARE STILL NOT PERFECT.
AND THE SELECT DETAILS THEY PICK
UP ON ARE WHAT DETERMINE OUR
MEMORIES.
MEMORIES WORK BY EXTRACTING
MEANING, GETTING THE GIST OF
WHAT'S HAPPENING AROUND US
RATHER THAN REMEMBERING EVERY
SINGLE DETAIL.
IF A MEMORY IS IN
THE DETAILS, WHAT DO THE DETAILS
REVEAL ABOUT ONE ALIEN ABDUCTION
STORY?
NOVEMBER 5, 1975, SNOWFLAKE,
ARIZONA.
IN FRONT OF SIX WITNESSES,
LOGGER TRAVIS WALTON EXPERIENCED
SOMETHING INCREDIBLE.
THEY SAW SOMETHING WEIRD IN
THE SKY.
THEY DESCRIBED IT AS A SILVERY
DISK.
WALTON APPROACHED THIS OBJECT
AND WAS BASICALLY PULLED IN BY A
TRACTOR BEAM.
HE WAS ABDUCTED BY ALIENS.
YOU CAN IMAGINE HOW SCARY THIS
IS.
FOR FIVE DAYS,
WALTON WAS MISSING.
FAMILY, FRIENDS AND AUTHORITIES
COULD FIND NO SIGN OF HIM.
THEN SUDDENLY, HE RE-EMERGED.
WHAT STANDS OUT IN THIS CASE IS
THAT WALTON RECALLED HIS
ABDUCTION EXPERIENCE IN
IMPRESSIVE, MINUTE-BY-MINUTE
DETAIL.
WALTON'S STORY IS THAT HE
WOKE UP IN A TRIANGULAR ROOM ON
A METAL TABLE, AND HE WAS BEING
EXAMINED BY ALIENS IN ORANGE
JUMPSUITS.
HE HAD INCREDIBLE DETAIL--
HEIGHT, WEIGHT, COLORS, NUMBERS.
HE TOLD VERY VIVID DETAILS ABOUT
WHAT HAD HAPPENED TO HIM,
PRECISELY WHEN, WHERE.
IT WAS JUST THIS--THIS DETAIL-
RICH ACCOUNT, LIKE SOMETHING
YOU WOULD SEE IN A SPIELBERG
FILM.
IN FACT, HIS STORY
WAS ADAPTED INTO THE ALIEN-
ABDUCTION MOVIE, "FIRE IN THE
SKY."
BUT COULD HIS ELABORATE ACCOUNT
ACTUALLY BE TRUE?
IN THIS CASE, WE HAVE NO
PHYSICAL EVIDENCE.
ALL WE HAVE IS MEMORY.
IT'S JUST HIM AND HIS--AND HIS
MEMORIES.
IS IT POSSIBLE THAT
WALTON COULD HAVE REMEMBERED ALL
THESE DETAILS WITH SUCH
PRECISION?
IS OUR MEMORY CAPABLE OF
RECORDING SO MUCH INFORMATION
WITH SUCH ACCURACY?
WE'VE ALREADY SEEN HOW YOUR
MEMORY CAN MISS CRUCIAL DETAILS
FROM OUR PREVIOUS CARD
EXPERIMENT.
MAGICIAN EKATERINA DABROKATOVA
HAS AN EXPERIMENT THAT USES A
STANDARD 52-CARD DECK.
THIS TRICK WILL CHALLENGE YOUR
MEMORY TO PICK UP THE DETAILS.
DO YOU THINK YOU HAVE A
MEMORY THAT'S ABOVE-AVERAGE?
I WOULD SAY SO.
YEAH? AWESOME.
SO THIS IS A LITTLE EXPERIMENT.
I HAVE A FUN TRICK FOR YOU.
IT'S CALLED THE AMBITIOUS CARD
ROUTINE.
OKAY.
SO IT'S GOING TO BE VERY
EASY.
SELECT THE CARDS.
SO GO AHEAD AND SAY STOP
WHENEVER YOU WANT.
STOP.
RIGHT HERE? PERFECT.
TAKE YOUR CARD, AND MAKE SURE
TO SHOW IT TO THAT CAMERA SO
EVERYONE CAN SEE.
I'M TURNED AWAY SO THERE'S NO
WAY FOR ME TO SEE THE CARD.
GOOD.
GOT IT.
PERFECT.
NOW TO MAKE IT MORE DIFFICULT,
WE'RE GOING TO HAVE TWO
SELECTIONS, TWO CARDS TO
REMEMBER.
JUST SAY STOP.
STOP.
RIGHT HERE? PERFECT.
TAKE THE CARD.
AND SHOW BOTH CARDS AGAIN TO
THAT CAMERA.
REMEMBER THESE TWO
CARDS, THE EIGHT OF SPADES, AND
THE NINE OF CLUBS.
GOT IT?
AND JUST LET ME KNOW WHEN
YOU'RE DONE.
I'M DONE.
PERFECT.
SO DAVE, PLACE THEM ANYWHERE YOU
WANT.
THEY DON'T HAVE TO BE TOGETHER.
MAKE IT DIFFICULT FOR ME.
PERFECT.
NOW PUSH THEM FLUSH WITH THE
DECK, EXCELLENT.
THERE YOU GO.
FAIR ENOUGH FOR YOU?
YUP, VERY FAIR.
PERFECT, NOW, DAVE, WATCH.
VERY SLOWLY, I'M GOING TO MAKE
THE CARDS GO THROUGH THE OTHER
CARDS ALL THE WAY TO THE TOP, SO
THEY'RE GONNA RISE IN FRONT OF
YOUR EYES, WATCH.
OKAY.
WATCH SLOWLY.
DID YOU SEE ANYTHING HAPPEN?
I DID NOT.
I DON'T THINK THEY'RE UP THERE.
WATCH, DAVE, THE FIRST TWO
CARDS...
ARE YOUR SELECTIONS.
(laughs) YES, THEY ARE.
THAT'S AMAZING.
HOW DID THE CARDS
FLOAT TO THE TOP OF THE DECK?
HOW DO YOU THINK I DID THIS?
I THINK IT'S A 2-CARD DECK.
THIS ISN'T A TRICK
DECK.
IT'S SIMPLY A TRICK ON OUR
MEMORY.
FOR THIS SLEIGHT OF HAND TO
WORK, YOUR MEMORY HAS TO DO ITS
PART.
THE FIRST TWO CARDS ARE YOUR
SELECTIONS.
(laughs) YES, THEY ARE.
THAT'S AMAZING.
BUT THOSE AREN'T
THE CARDS THAT THIS MAN CHOSE.
NOR ARE THEY PROBABLY THE ONES
YOU THOUGHT YOU COMMITTED TO
MEMORY.
THEY MAY LOOK SIMILAR, BUT
THEY'RE NOT THE SAME.
EVEN THOUGH THEY'VE JUST SEEN
THEIR CARDS, BY THE TIME I TAKE
THE OTHER TWO CARDS OFF THE TOP,
THEY FORGET THE DETAILS AND
DON'T NOTICE THE CHANGE.
ALL ALONG, WE HAD
THE 8 OF CLUBS AND THE 9 OF
SPADES ON TOP OF THE DECK.
THESE ARE NOT YOUR CARDS.
OH, MY GOODNESS.
THAT'S RIGHT.
YOU CONFUSED THE 9 OF SPADES
WITH THE 9 OF CLUBS, AND YOUR
CARD WAS THE 8 OF SPADES.
IN THIS MEMORY
MISHAP, THE SUITS HAVE SWAPPED.
IF YOU FELL FOR THIS LITTLE SUIT
SWITCH, DON'T FEEL BAD.
MOST PEOPLE DO.
IN FACT, 100% OF THE PEOPLE WE
TRIED THIS EXPERIMENT ON GOT IT
WRONG.
THIS AMBITIOUS CARD ROUTINE
WORKS BECAUSE MOST PEOPLE FORGET
THE DETAILS AND FALSELY REMEMBER
THE WRONG CARDS AS THE ONES THEY
PICKED.
AND UNLESS SOMEONE POINTS OUT
OUR MISTAKE, WE'D NEVER KNOW THE
DIFFERENCE.
PEOPLE WILL OVERWRITE THEIR
MEMORY WITH NEW INFORMATION
WITHOUT THEIR EVEN REALIZING IT.
WHAT COULD THIS
MEAN FOR TRAVIS WALTON'S HIGHLY
DETAILED MEMORY OF ALIEN
ABDUCTION?
IN ORDER TO BELIEVE TRAVIS
WALTON'S STORY, YOU HAVE TO PUT
A LOT OF FAITH IN MEMORY--IN
FACT, ALL FAITH IN MEMORY--AND
THE FACT OF THE MATTER IS THAT
MEMORY IS FALLIBLE.
WHETHER WALTON WAS
ABDUCTED BY ALIENS OR NOT MAY
NEVER BE DEFINITIVELY PROVEN.
SOME ARGUE THAT IF IT WERE TRUE,
WALTON WOULD HAVE NEEDED TO
POSSESS AN EIDETIC OR
PHOTOGRAPHIC MEMORY, WHICH HE
SHOWED NO SIGNS OF AT OTHER
MOMENTS IN HIS LIFE.
WE DO KNOW THAT THE HUMAN BRAIN
CAN PLAY GAMES WITH YOUR MEMORY.
HOWEVER, WALTON'S MEMORIES OF
THE EVENT CERTAINLY MAKE IT REAL
FOR HIM.
IN FACT, THE WAY WE REMEMBER
THINGS ULTIMATELY DETERMINES
WHAT WE BELIEVE AND HOW WE
REMEMBER OUR VERY LIVES,
WHETHER THOSE THINGS HAPPENED OR
NOT.
THE HUMAN BRAIN HAS
BEEN CALLED THE MOST POWERFUL
MACHINE ON THE PLANET.
IT HAS UNLOCKED MYSTERIES OF THE
UNIVERSE AND RESHAPED THE STORY
OF HUMANITY.
WHEN YOU BECOME AWARE OF JUST
HOW YOUR BRAIN ACTUALLY WORKS,
ITS AMAZING ABILITY TO CONSTRUCT
YOUR PERCEPTION OF THE UNIVERSE,
IT CHANGES EVERYTHING.
BUT OUR BRAINS ARE
NOT WITHOUT FAULT.
AND THE BIGGEST CULPRIT IN OUR
MINDS MAY JUST BE OUR MEMORY.
SOMETIMES, EVEN WHEN WE'RE
PAYING ATTENTION, THE DETAILS
CAN SIMPLY GET PAST US.
TO PROVE IT, RICHARD WISEMAN
HAS ANOTHER CARD TRICK DESIGNED
TO MESS WITH YOUR MIND.
ACTION.
HI, I'M HERE WITH FELICIA,
AND WE'RE GOING TO PERFORM THE
AMAZING COLOR-CHANGING CARD
TRICK WITH THIS BLUE-BACKED DECK
OF CARDS.
NOW THE IDEA IS VERY SIMPLE.
I'M JUST GOING TO SPREAD THE
CARDS IN FRONT OF FELICIA AND
ASK HER TO PUSH ANY CARD TOWARDS
THE FRONT OF THE TABLE.
OK, I THINK I'LL GO WITH THIS
CARD RIGHT THERE.
EXCELLENT.
NOW, FELICIA COULD HAVE CHOSEN
ANY OF THE CARDS THAT WERE ON
THE TABLE.
BUT SHE CHOSE THE CARD WHICH IS
NOW FACEDOWN IN FRONT OF HER.
I'M GOING TO ASK HER TO LOOK AT
THE CARD AND TELL US WHICH ONE
IT IS.
I HAVE CHOSEN THE 3 OF
SPADES.
THE THREE OF SPADES, THAT'S
AN EXCELLENT CHOICE.
I'M GOING TO ASK YOU TO GIVE ME
THE THREE OF SPADES.
THAT'S GREAT AND WE'LL PLACE IT
BACK INTO THE DECK.
I'LL NOW SPREAD THE DECK FACE-UP
ON THE TABLE, AND WHAT YOU'LL
SEE IS THAT YOUR CARD, THE THREE
OF SPADES, HAS GOT A BLUE BACK.
NOT PARTICULARLY SURPRISING.
WHAT'S SLIGHTLY MORE SURPRISING
IS THAT ALL OF THE OTHERS HAVE
GOT A RED BACK.
AND THAT IS THE AMAZING
COLOR-CHANGING CARD TRICK.
WHAT'S THE POINT OF
THIS TRICK?
ONCE AGAIN, A SEEMINGLY SIMPLE
EXERCISE WITH A DECK OF CARDS
CAN EXPOSE A FLAW IN OUR BRAIN.
THE COLOR-CHANGING CARD TRICK
HAS NOTHING TO DO WITH THE
PLAYING CARDS AT ALL.
IT'S ALL ABOUT WHAT YOU DON'T
NOTICE.
HAVE YOU SPOTTED
ANY SIGNIFICANT CHANGES IN THE
ENVIRONMENT?
MAYBE ONE OR TWO?
BUT DID YOU GET ALL OF THEM?
THERE ARE FOUR KEY CHANGES IN
THE COLOR-CHANGING CARD TRICK.
I CHANGE MY SHIRT AND MY PARTNER
CHANGES HERS, THE TABLECLOTH
CHANGES COLOR, AND THE
BACKGROUND CHANGES AS WELL.
WHY DO WE SO EASILY
MISS THESE SIGNIFICANT CHANGES?
IF WE HAD WONDERFUL MEMORIES,
WE'D BE ABLE TO LOOK AT A SCENE,
THINK, HOLD ON A SECOND, THAT'S
NOT HOW IT WAS AT THE BEGINNING.
BUT OUR MEMORIES ARE NOT THAT
PERFECT, AND SO BECAUSE OF THAT,
YOU CAN GET AWAY WITH THE TRICK.
IT'S ESTIMATED THAT
THE HUMAN BRAIN TAKES IN THE
EQUIVALENT OF 34 GIGABYTES OF
INFORMATION EVERY DAY.
AND THAT'S JUST THE INFORMATION
WE REMEMBER.
NO MATTER HOW COMPLEX OUR BRAINS
ARE, WHEN IT COMES TO MEMORY,
THE DETAILS CAN GET A LITTLE
FUZZY DUE TO THE MASSIVE AMOUNT
OF DATA WE ENCOUNTER.
SOMETIMES IT DOESN'T EVEN MATTER
HOW OFTEN WE ARE EXPOSED TO A
PARTICULAR SITUATION.
THERE'S NO GUARANTEE OUR BRAINS
WILL REMEMBER WHAT WE NEED THEM
TO.
BECAUSE OF THIS SELECTIVE
RETENTION OF DETAIL, ONE OF
AMERICA'S MOST LEGENDARY WHISKEY
MAKERS SUFFERED A DEADLY MEMORY
LAPSE.
IF YOU KNOW ANYTHING ABOUT
ALCOHOL, YOU PROBABLY KNOW ABOUT
JACK DANIEL'S WHISKEY.
I DRINK JACK DANIEL'S PRODUCT
VERY OFTEN.
I'M A HUGE FAN OF HIS WORK.
ESTABLISHING THIS
SUCCESSFUL SPIRITS BUSINESS CAME
WITH SOME HARD KNOCKS.
ONE DAY IN 1905, JACK DANIEL
WENT TO THE OFFICE EARLY TO GET
SOME DOCUMENTS OUT OF HIS SAFE.
BUT WHEN JACK CAME TO OPEN THE
SAFE, HE'D FORGOTTEN THE
COMBINATION.
DESPITE USING THE
SAFE EVERY DAY, DANIEL STILL
FORGOT THE COMBINATION.
THIS HAD HAPPENED BEFORE, SO
HE IS PISSED OFF.
FINALLY, JACK DANIEL GETS SO
FRUSTRATED THAT HE KICKS THE
SAFE.
BUT GOING
TOE-TO-TOE WITH A SAFE MADE OF
STEEL WASN'T HIS BEST BUSINESS
DECISION.
RIGHT IN THAT INSTANT, JACK
DANIEL HAD SHATTERED HIS TOE.
DANIEL HAD OPENED
HIS SAFE COUNTLESS TIMES.
SO HOW COULD HE FORGET THE
COMBINATION ON THIS FATEFUL
OCCASION?
THE REASON MIGHT LIE ON THE
FACE OF AN ORDINARY PENNY.
I'M GOING TO HAND YOU
SOMETHING.
I JUST WANT YOU TO TELL ME WHAT
IT IS.
OK.
ABE, PENNY.
A LITTLE SPLOTCH ON HIS NOSE.
LET'S STOP HERE.
TAKE A VERY GOOD LOOK AT THE
PENNY.
WHAT WAS THAT THAT I JUST
SHOWED YOU?
ORDINARY U.S. PENNY.
DEFINITELY JUST COMPLETELY A
PENNY.
OK.
BUT THIS ISN'T THE
ONLY PENNY JEFF'S GOT UP HIS
SLEEVE.
I WANT YOU TO TAKE A LOOK AT
THIS AND TELL ME WHICH OF THESE
PENNIES...
OH (bleep).
IS JUST LIKE THE ONE THAT YOU
JUST LOOKED AT.
OH, MY GOD, I HAVE NO IDEA.
THERE IS ONLY ONE RIGHT
ANSWER, AND ONE OF THEM IS
RIGHT.
ARE YOU ALSO
FEELING STUMPED?
CAN YOU REMEMBER WHAT A REAL
PENNY LOOKS LIKE?
UMM...
YOU JUST LOOKED AT
ONE.
WHICH ONE OF THESE IS THE REAL
PENNY?
LET'S SEE WHO CAN REMEMBER.
I HAVE NO IDEA WHAT WAS ON
IT.
BUT A PENNY IS SOMETHING THAT
YOU'VE SEEN PROBABLY EVERY DAY
THAT YOU'VE BEEN ALIVE.
YES, I--YEAH.
I HAVE NO IDEA WHAT WAS ON IT.
SO I KNOW IT PROBABLY SAYS
"UNITED STATES OF AMERICA"
BECAUSE "IN GOD WE TRUST"
DOESN'T LOOK RIGHT.
I'M GONNA GUESS NUMBER 7.
I'M PRETTY SURE I SAW HIM
FACING LEFT.
I'M GOING TO GO WITH 1.
OK.
I'M PRETTY SURE THAT HE'S
FACING THE LEFT.
AND "UNITED STATES OF AMERICA"
MAKES SENSE.
I'D GO WITH 6, IF YOU WANT TO GO
WITH 6.
OK, WE'LL GO 6.
YOU'RE SURE?
SURE.
DID YOU GUESS 7, 1,
OR 6?
OK, I'LL TELL YOU IT'S NOT
NUMBER 7.
DAMN.
IT'S NOT NUMBER 1.
SIX.
OK, IT'S NOT.
OK.
PEOPLE SEE PENNIES ALMOST
EVERY DAY OF THEIR LIVES.
BUT IF YOU ASK THEM WHICH ONE
IS REAL, ALMOST NOBODY GETS IT
RIGHT.
IT'S AMAZING.
SHOULD I KNOW THIS?
I SHOULD.
I SHOULD KNOW THIS.
THEY ALL LOOK SO SIMILAR.
REALLY USE YOUR MENTAL
ENERGIES TO REALLY DRAW ON
EVERYTHING AND GIVE IT ALL
YOU'VE GOT.
I'LL GO WITH 5.
WHY DO YOU THINK IT'S 5?
"IN GOD WE TRUST."
OK.
I'M PRETTY SURE OF THAT.
OK.
HONESTLY, I CAN'T REMEMBER.
I--I'M LOST.
UH, 9?
DO ANY OF THEM AT ALL SEEM
ANY BETTER THAN ANY OTHERS?
NOT REALLY.
I DON'T THINK I'VE REALLY EVER
FOCUSED ON A PENNY THIS HARD.
(laughs)
IF YOU GOT THIS ONE
RIGHT, CONGRATULATIONS.
NO ONE IN OUR EXPERIMENT DID.
OK, YOU KNOW WHAT?
I'M GONNA, I'M--JUST TAKE A
LOOK FOR YOURSELF.
IT'S ACTUALLY NUMBER 4.
SO IT DOES SAY "IN GOD WE
TRUST."
(bleep) YEAH.
OH, MAN!
YEP, IT'S THE SAME.
IT'S AMAZING HOW HARD IT IS
TO IDENTIFY SOMETHING YOU'VE
LOOKED AT NOT ONLY EVERY DAY FOR
YOUR WHOLE LIFE, BUT YOU JUST
LOOKED AT A COUPLE OF MINUTES
AGO.
I KNOW!
HOW MANY TIMES HAVE
YOU SEEN A PENNY IN YOUR
LIFETIME?
HUNDREDS OF THOUSANDS?
PERHAPS MILLIONS?
WHY ARE WE PRONE TO FORGETTING
THINGS THAT ARE FAMILIAR TO US?
REPETITION AND DOING
SOMETHING MANY, MANY TIMES, IS
NO GUARANTEE THAT WE'LL REMEMBER
WHAT WE'RE SEEING OR DOING.
IN FACT, JUST THE OPPOSITE.
THE MORE REPETITIOUS SOMETHING
IS, THE MORE AUTOMATIC IT IS,
THE LESS CONSCIOUS ATTENTION WE
BESTOW ON IT, THE LESS LIKELY WE
ARE TO REMEMBER IT.
THAT'S WHY YOU CAN
STILL FORGET THE LYRICS TO A
SONG YOU'VE SUNG ALONG WITH
HUNDREDS OF TIMES.
OR FORGET YOUR PASSWORDS TO
WEBSITES YOU SURF EVERY DAY.
BUT JACK DANIEL'S MEMORY PROBLEM
LED TO A BIT OF A BIGGER
PROBLEM.
IT EVENTUALLY CAUSED HIS DEATH.
UNABLE TO OPEN HIS SAFE, JACK
KICKED IT IN FRUSTRATION.
EVENTUALLY HIS TOE BECAME
INFECTED, AND HE BECAME CONSUMED
WITH GANGRENE.
SIX YEARS AFTER HE KICKED THE
SAFE, JACK DANIEL DIED FROM THAT
INJURY.
THIS WAS A MEMORY LAPSE THAT
TURNED OUT TO BE PAINFUL AND
DEADLY.
THAT'S WHY JACK
DANIEL'S WHISKY HAS A
COMMEMORATIVE BLACK LABEL ON THE
BOTTLE.
THANKFULLY, NOT EVERY MEMORY
MISHAP LEADS TO DEATH.
BUT EVERY TIME YOU LOOK AT A
PICTURE, HAVE A CONVERSATION, OR
TRY TO REMEMBER SOMETHING
SPECIFIC LIKE THE COMBINATION TO
A LOCK, YOU'RE MISSING MORE
DETAILS THEN YOU'RE PICKING UP.
IT'S JUST THEY WAY OUR BRAINS
WORK.
IT'S ESTIMATED THAT THE BRAIN
ENCOUNTERS 400 BILLION BITS OF
INFORMATION PER SECOND.
BUT WE'RE ONLY AWARE OF 2,000 OF
THOSE.
THAT MEANS THAT EVERY SECOND OF
OUR LIVES, WE'RE ONLY RETAINING
.5 MILLIONTH OF A PERCENT OF
WHAT WE EXPERIENCE.
DOESN'T SEEM LIKE MUCH, DOES IT?
AND THERE'S NO TELLING JUST WHEN
YOU MIGHT NEED THE INFORMATION
OR HOW IMPORTANT IT COULD BE.
IN THE PAST, SOME
HAVE DESCRIBED MEMORY AS A SORT
OF FILING CABINET FULL OF
INDIVIDUAL MEMORY FOLDERS THAT
CAN STORE INFORMATION.
BUT TODAY, EXPERTS BELIEVE THAT
MEMORY IS FAR MORE COMPLEX AND
ELUSIVE THAN EVER PREVIOUSLY
CONCEIVED, THAT OUR MEMORY IS
NOT ONE SIMPLE SYSTEM, BUT A
COMPLEX, BRAIN-WIDE PROCESS.
MEMORY IS A LOT MORE
SOPHISTICATED THAN YOU MIGHT
IMAGINE.
IT ISN'T SIMPLY A CASE OF
REMEMBERING WHAT'S HAPPENED IN
THE PAST.
WE'VE SEEN HOW OUR
MEMORIES CAN HAVE PROBLEMS
RETAINING THE DETAILS.
BUT THE BRAIN HAS ANOTHER
PROBLEM.
EVERY NOW AND THEN, IT CAN
ACTUALLY CREATE MEMORIES FOR US,
TAKING THE DETAILS OF PEOPLE,
PLACES AND EVENTS AND MAKING
THEM SEEM SO REAL, THEY MUST
HAVE HAPPENED.
OUR BRAIN CAN ACTUALLY CREATE
FICTITIOUS MEMORIES.
AND THIS VERY THING MAY HAVE
HAPPENED TO ONE OF AMERICA'S
GREATEST GENERALS.
GEORGE PATTON IS ONE OF
AMERICA'S MOST BRILLIANT
SOLDIERS.
HE WAS A GENERAL DURING WORLD
WAR II.
GENERAL GEORGE S.
PATTON WAS A HERO OF WORLD WAR
II, DRIVING AMERICAN FORCES
ACROSS EUROPE AND STRIKING FEAR
INTO THE NAZIS.
GENERAL PATTON BELIEVED IN
REINCARNATION.
THE GUY THE NAZIS FEARED HAD ALL
THESE CRAZY MEMORIES OF PAST
LIVES.
PATTON CLAIMED HE
HAD MEMORIES OF FIGHTING IN SOME
OF HISTORY'S MOST FAMOUS WARS,
EVEN UNDER JULIUS CAESAR.
PATTON BELIEVED HE WAS A
MEMBER OF THE 10TH LEGION,
CAESAR'S MOST LOYAL, MOST
TRUSTED, RUTHLESS BUNCH OF
HORSE-RIDING BADASSES.
HE ALSO REMEMBERED SERVING UNDER
NAPOLEON, AND HE HAD A VERY
CLEAR MEMORY OF WATCHING
NAPOLEON RETREAT FROM A HUGE
DEFEAT IN MOSCOW.
IT'S ALMOST LIKE HE KNEW THAT HE
THAT COULD HAVE DONE BETTER WERE
HE IN NAPOLEON'S POSITION.
HE EVEN HAD
MEMORIES FROM PREHISTORIC TIMES.
PATTON ACTUALLY REMEMBERED
HOLDING A SPEAR AND THRUSTING IT
INTO THE FLESH OF A WOOLY
MAMMOTH.
PATTON WAS LIKE THE FORREST GUMP
OF HISTORY.
PATTON BELIEVED THAT HE HAD
THOUSANDS OF YEARS OF MILITARY
EXPERIENCE.
THIS GAVE GENERAL PATTON THE
CONFIDENCE THAT MADE HIM THE
WARRIOR THAT HE WAS.
WE ALL REMEMBER
EVENTS FROM EARLIER IN OUR
LIVES.
THIS IS CALLED RETROSPECTIVE
MEMORY.
BUT MANY PEOPLE CLAIM TO
REMEMBER EVENTS FROM PREVIOUS
LIVES.
WHY IS THAT PEOPLE CAN HAVE A
HARD TIME REMEMBERING THE
COMBINATION TO THEIR SAFE BUT
BELIEVE THEY CAN RECALL EVENTS
FROM A DIFFERENT LIFETIME?
PERHAPS BECAUSE TO US, THE TRUTH
OF A MEMORY JUST LIES IN HOW OUR
BRAIN ORGANIZES THE DETAILS.
IN FACT, IF YOU CHANGE THE
DETAILS OF AN EVENT, IT'S
POSSIBLE TO ACTUALLY GIVE
SOMEONE A FALSE MEMORY OF WHAT
REALLY HAPPENED.
TO SEE HOW SUGGESTIBLE OUR
MEMORIES ARE, SCIENCE JOURNALIST
JEFF WISE IS EXAMINING PEOPLE'S
MEMORIES BY SHOWING THEM A PHOTO
OF A HISTORIC MOMENT.
I'M GOING TO SHOW YOU THIS
PICTURE, AND I WANT YOU TO TELL
ME WHAT YOU REMEMBER.
DO YOU REMEMBER THIS EVENT?
YEAH, THAT'S TIANANMEN
SQUARE.
IS THAT TIANANMEN SQUARE?
TIANANMEN SQUARE.
I REMEMBER THIS, BIG NEWS.
SO THIS TOOK PLACE IN JUNE
1989...
I REMEMBER THAT.
THE HEIGHT OF THE STUDENT
PROTEST MOVEMENT AGAINST THE
COMMUNIST REGIME.
NOW I'VE SEEN IT IN SCHOOL
WHEN I WAS TAKING HISTORY, AND
THEY SHOWED THIS PICTURE.
SO AT THE SAME TIME, NOW IT'S
LIKE AN EVERLASTING IMAGE IN MY
HEAD.
WITH THE HELP OF
THIS PHOTOGRAPH, CAN YOU RECALL
THE DETAILS OF WHAT HAPPENED ON
THIS DAY IN HISTORY?
LET'S SEE WHAT OTHERS REMEMBER.
THERE WAS ONE LONE
INDIVIDUAL, AS YOU CAN SEE
THERE.
THERE WAS A CROWD THERE.
I REMEMBER THE CROWDS WERE ALL
FOR THE PROTESTS AT THAT TIME.
I REMEMBER THE CROWDS
CHANTING HIM ALONG BECAUSE THEY
WERE SUPPORTING HIM FOR WHAT HE
WAS DOING FOR TRYING TO STOP
THEM FROM BRINGING THE TANKS IN.
HE'S STANDING STILL WHOEVER
THAT PERSON IS, BUT I--LIKE I
ALWAYS THINK ABOUT THE--LIKE THE
CRAZINESS, LIKE THE LARGE CROWDS
AND THE MOVEMENT.
BUT THE BIG CROWDS WERE A
MAJOR PART OF THAT EVENT.
THOUSANDS OF PEOPLE THAT WERE
THERE, THAT ARE IN THAT PICTURE
WATCHING, ARE IN SUPPORT OF THIS
DEMONSTRATOR.
IT WAS A BIG DEAL THAT PEOPLE
WERE PROTESTING TO BEGIN WITH.
IT'S A HELL OF A STATEMENT.
WE COULDN'T HAVE
PUT IT BETTER OURSELVES.
BUT DID IT REALLY HAPPEN THIS
WAY?
TELL ME AGAIN WHAT YOU DO.
I'M A PSYCHOTHERAPIST.
I WORK MOSTLY WITH TRAUMA AND
MEMORY.
LISTEN, HOPEFULLY, THIS WON'T
BE TOO TRAUMATIC FOR YOU, BUT
IN FACT, THIS IMAGE HAS BEEN
DOCTORED.
THIS IS THE UN-DOCTORED IMAGE.
OH, YOU DON'T SEE THE PEOPLE.
IN FACT, THERE WERE
NO CROWDS IN TIANANMEN SQUARE
WHEN THIS PHOTOGRAPH WAS TAKEN.
IT WAS JUST ONE MAN AGAINST THE
TANKS.
WELL, THIS IS THE TRICKY
THING ABOUT MEMORY.
LIKE, NOW I FEEL LIKE, WELL, I
DON'T REMEMBER THAT THERE WERE A
LOT OF PEOPLE IN THAT PICTURE.
I FEEL LIKE THAT WAS AN ALL-
ALONE-PERSON PICTURE.
OH, WOW.
THIS IS THE REAL PHOTOGRAPH.
OH.
WHEN THIS MOMENT TOOK PLACE,
TIANANMEN SQUARE HAD BEEN
CLEARED OF THE CROWDS.
NOW, YOU FELT LIKE YOU
REMEMBERED THAT PREVIOUS IMAGE.
THE PICTURE FELT SO REAL THAT
I ACTUALLY REMEMBERED THE CROWDS
BEING THERE.
IT KIND OF MESSES WITH MY MIND.
(laughs)
DID YOUR MEMORY
TRICK YOU?
DON'T FEEL BAD.
THE MEMORY OF EVERYONE WE TESTED
WAS TRICKED AS WELL.
BUT THIS IS ONE OF THE MOST
FAMOUS IMAGES OF THE 20TH
CENTURY.
YOU CAN SEE HOW EASY IT IS TO
FORGET THE DETAILS...
AND HOW SMALL CHANGES TO THE
PHOTO CAN ALTER PEOPLE'S
MEMORIES.
HOW MANY OF US HAVE ALTERED
MEMORIES OF EVENTS?
CHANCES ARE, ALL OF US.
SO YOU CAN INTRODUCE A
FALSE--NOT ONLY A FALSE IMAGE
OF A HISTORICAL EVENT BUT A
FALSE UNDERSTANDING.
WHAT DOES THIS TELL US ABOUT
THE RELIABILITY OF MEMORY?
IT AIN'T!
(both laugh)
LIKE THESE
PARTICIPANTS, GENERAL PATTON MAY
HAVE ALSO HAD ALTERED OR
MODIFIED MEMORIES OF FAMOUS PAST
EVENTS.
WHILE HIS WAS A MORE EXTREME
CASE, HE MAY HAVE HAD WHAT IS
SOMETIMES REFERRED TO AS
SPONTANEOUS RECALL OR RESIDUE
MEMORY.
HE STUDIED HISTORIC BATTLES SO
CLOSELY AND ACCUMULATED SUCH
INCREDIBLE DETAILS ON THEM THAT
IT'S POSSIBLE HE BEGAN TO
BELIEVE HE TOOK PART IN THEM.
PATTON WASN'T PULLING THESE
MEMORIES OUT OF NOWHERE.
HE HAD TRAINING AT WEST POINT.
HE HAD TRAINING ON THE
BATTLEFIELD.
HE STUDIED THESE BATTLES.
HE KNEW WHAT HE WAS TALKING
ABOUT.
I THINK PATTON STUDIED THESE
BATTLES SO CLOSELY THAT THEY
BECAME PART OF HIS LIFE.
OUR BRAINS AND OUR
MEMORIES ARE OPEN TO
MANIPULATION.
AND WHEN FILLED WITH DETAILS OF
A PARTICULAR EVENT, IT'S NOT
DIFFICULT FOR OUR BRAINS TO
START TO SEE THAT EVENT AS IF WE
WERE THERE, AS IF WE ARE
EXPERIENCING SPONTANEOUS RECALL,
WHETHER WE WERE THERE OR NOT.
THE MEMORIES STORED
IN YOUR BRAIN CAN BE
CONTAMINATED BY NEW INFORMATION.
YOUR MEMORIES CAN BE
MANIPULATED, AND THROUGH NO
FAULT OF YOUR OWN, YOU CAN GET
THE DETAILS OF ANY EVENT
CONFUSED.
THE TRUTH IS, CONFUSING MEMORIES
AND GETTING THE FACTS WRONG IS
JUST A PART OF OUR BLEEPED-UP
BRAIN.
BUT WHY DO WE OFTEN HAVE SO MUCH
CONFIDENCE IN MEMORIES THAT ARE
SIMPLY NOT TRUE?
GET READY FOR AN EXPERIMENT THAT
WILL TEST YOUR SHORT-TERM
MEMORY.
TAKE A LOOK AT THIS BOARD.
IT CONTAINS 15 WORDS.
TRY TO COMMIT AS MANY OF THESE
WORDS TO YOUR MEMORY AS YOU
CAN.
WE'LL GIVE YOU, AND THESE
PARTICIPANTS, TEN SECONDS TO DO
SO.
GOT IT?
KEEP A HOLD OF THOSE THOUGHTS
FOR THE NEXT FEW MINUTES AND
LET'S SEE WHAT YOUR ABILITY TO
REMEMBER THESE WORDS CAN REVEAL
ABOUT WHY SOME CONSPIRACY
THEORISTS SHOCKINGLY BELIEVE
9/11 WAS AN INSIDE JOB.
MOST OF US REMEMBER WHERE WE
WERE WHEN 9/11 HAPPENED.
IT'S A DAY WE ARE LIKELY TO
REMEMBER FOR THE REST OF OUR
LIVES.
AND MOST OF US KNOW WHERE
PRESIDENT GEORGE W. BUSH WAS
TOO.
BUSH IS IN FRONT OF THE
CLASSROOM READING A CHILDREN'S
BOOK, AND HIS CHIEF OF STAFF
CAME IN AND TOLD HIM ABOUT THE
ATTACKS.
IT WAS CAPTURED ON VIDEO.
SOON, THE AIRWAVES
WERE FLOODED WITH LIVE IMAGES OF
THE SECOND PLANE HITTING THE
TOWERS.
BUT THREE MONTHS LATER,
PRESIDENT BUSH REMEMBERED THIS
TRAGIC EVENT IN A DIFFERENT
LIGHT.
AND I SAW AN AIRPLANE HIT THE
TOWER.
BUSH SAID THAT HE REMEMBERED
BEING OUTSIDE THE CLASSROOM
WAITING TO GO IN TO GO TALK TO
THE KIDS, AND HE SAW THE FIRST
PLANE HIT THE TWIN TOWERS.
BUT FOOTAGE OF THE
FIRST PLANE'S IMPACT DID NOT AIR
LIVE AND WAS ONLY BROADCAST ON
TELEVISION THE FOLLOWING DAY.
AND PRESIDENT BUSH WAS NOT ALONE
IN REMEMBERING THIS EVENT
INACCURATELY.
A RECENT STUDY INDICATED 73% OF
TEST SUBJECTS ALSO WRONGLY
REMEMBERED SEEING THE FIRST
PLANE HIT THE TOWER LIVE.
DESPITE 9/11 BEING ONE OF THE
MOST WELL-DOCUMENTED DAYS IN
HUMAN HISTORY, MOST OF US DON'T
REMEMBER IT ACCURATELY.
NONETHELESS, BUSH'S INNOCENT
MEMORY MISTAKE SET CONSPIRACY
THEORISTS IN MOTION.
THEY BELIEVED THAT BUSH HAD
BEEN WATCHING THAT ATTACKS IN
REAL TIME SOMEWHERE IN SOME
SECRET LOCATION.
SO TO THEM, IT ALL MADE SENSE.
LIKE, "OH MY GOD," YOU KNOW,
"BUSH SAID HE SAW THE FIRST
THING, NO ONE ELSE SAW IT, SO HE
MUST HAVE SEEN IT, YOU KNOW,
WHILE HE WAS WATCHING HIS EVIL
PLAN UNFOLD."
THOUGH CONSPIRACY
THEORISTS SAW BUSH'S MEMORY AS
PROOF THAT 9/11 WAS AN INSIDE
JOB, THE TRUTH IS MUCH SIMPLER.
THE PRESIDENT MADE A MISTAKE
BECAUSE OUR MEMORIES JUST AREN'T
THAT GOOD.
IN FACT, IT'S ESTIMATED BY MOST
EXPERTS THAT OUR SHORT-TERM
MEMORIES CAN HOLD BETWEEN 4 AND
7 DETAILS IN OUR BRAIN AT ANY
ONE MOMENT.
WHEN WE START TO EXCEED THAT
NUMBER, WE TEND TO GET THINGS
WRONG.
DON'T BELIEVE US?
TO PROVE IT, LET'S RETURN TO
RICHARD WISEMAN'S MEMORY TEST.
YOU'VE HAD A FEW MINUTES TO PUT
THESE 15 WORDS TO MEMORY.
LET'S SEE WHICH OF THEM YOU
ACTUALLY REMEMBER.
SO YOU HAD SOME TIME TO
REMEMBER THE WORDS.
I'M GOING TO GIVE YOU SOME WORDS
ON HERE, AND FOR EACH ONE, I'D
LIKE YOU TO TELL ME WHETHER YOU
THINK IT WAS ON THE BOARD OR
NOT.
SO THE FIRST WORD IS "WAKE."
DO YOU REMEMBER THE
WORD "WAKE"?
YES.
"WAKE," YES, I BELIEVE THAT
WAS ON THE BOARD.
AND HOW CONFIDENT ARE YOU
ABOUT THAT FROM 1 TO 10, WHERE 1
IS NOT AT ALL CONFIDENT AND 10
IS VERY CONFIDENT.
5.
VERY GOOD.
THE NEXT ONE WAS "DROWSY."
DO YOU REMEMBER
"DROWSY"?
NO.
NO, I'M NOT CERTAIN ABOUT
"DROWSY."
HOW CONFIDENT ARE YOU?
I WOULD SAY ABOUT A 4.
8.
5.
AND HERE'S THE LAST
WORD IN OUR LITTLE MEMORY TEST.
AND "SLEEP."
DO YOU RECALL
"SLEEP"?
YES.
"SLEEP" WAS DEFINITELY ON THE
BOARD.
YES.
AND HOW CONFIDENT ARE YOU
ABOUT THAT?
10.
8.
10.
VERY CONFIDENT.
IN FACT, OF ALL THE WORDS,
THAT'S THE ONE THAT YOU'RE MOST
CONFIDENT.
YES.
AND HOW CONFIDENT
ARE YOU THAT "SLEEP" WAS ON THE
BOARD?
IF YOU AGREE WITH THESE
PARTICIPANTS, YOU'RE IN FOR A
RUDE AWAKENING.
SHOULD WE HAVE A LOOK?
YES.
(laughs)
OH, GOSH.
(laughs)
NO "SLEEP."
NO "SLEEP" AT ALL.
THE "SLEEP" EXISTS ONLY IN YOUR
MIND.
OH, NO.
NO "SLEEP."
BUMMER.
I THOUGHT IT WAS WHERE
"DREAM" WAS.
I JUST HAD THAT OVERALL THEME
IN MY HEAD, I GUESS--SLEEP.
WITH THE FALSE-MEMORY TEST,
YOU FEEL AS IF YOUR BRAIN HAS
BETRAYED YOU.
YOU ENDED UP WITH A FALSE MEMORY
THINKING THAT YOU'D SEEN A WORD
YOU HADN'T.
SO HOW'S IT FEEL TO HAVE A FALSE
MEMORY IMPLANTED INTO YOUR
BRAIN?
THERE MUST BE OTHER THINGS
THAT PEOPLE HAVE PLANTED INTO
MY HEAD.
9 OUT OF 10 PEOPLE BELIEVE
THE WORD "SLEEP" WAS ON THIS
BOARD WHEN IT ABSOLUTELY WASN'T.
AND MOST OF THEM WERE VERY, VERY
CONFIDENT.
SO IN JUST A FEW MOMENTS, WE
MANAGED TO CREATE A FALSE
MEMORY.
WHEN THERE IS TOO
MUCH INFORMATION TO HOLD ONTO IN
OUR SHORT-TERM MEMORY, WE START
TO GET THINGS CONFUSED.
AND THIS SAME PREMISE MAY BE WHY
PRESIDENT BUSH AND MANY OTHERS
FALSELY REMEMBER SEEING THE
FIRST PLANE HIT THE WORLD TRADE
CENTER ON THAT EMOTIONAL DAY ON
LIVE TV EVEN THOUGH THAT WOULD
HAVE BEEN IMPOSSIBLE.
BUSH HAD A FALSE MEMORY OF
WHAT HAPPENED ON 9/11, AND THIS
IS NOT UNUSUAL.
IT HAPPENS TO PEOPLE ALL THE
TIME.
THE THING THAT MAKES THIS
DIFFERENT IS THAT HE WAS
PRESIDENT AT THE TIME, AND HIS
COMMENTS FUELED A CONSPIRACY
THEORY.
AND I SAW AN AIRPLANE HIT
THE TOWER.
FALSE MEMORIES LIKE
THE ONE EXPERIENCED BY PRESIDENT
BUSH AFFECT PEOPLE PARTICULARLY
DURING EMOTIONAL EVENTS, LIKE
THE SPACE SHUTTLE EXPLOSION OF
1986 OR THE ASSASSINATION OF
PRESIDENT JOHN F. KENNEDY.
IN THE WAKE OF EACH OF THESE
EVENTS, COUNTLESS PEOPLE HAD
FALSE MEMORIES OF THE EVENTS
PLANTED INTO THEIR BRAINS.
BUT THE CERTAINTY OF OUR
RECOLLECTIONS DOES NOT MEAN
WE'VE GOTTEN THE DETAILS RIGHT.
I COULD HAVE SWORN "SLEEP"
WAS ON THERE.
BUMMER.
WE'VE SEEN HOW
CONFIDENCE IN OUR MEMORIES IS NO
GUARANTEE THAT THEY'RE RIGHT
AND THAT OUR MEMORY IS HIGHLY
MALLEABLE.
BUT FOR THOSE MEMORIES AND FACTS
THAT DO STICK IN OUR BLEEPED-UP
BRAIN, HOW DO WE KNOW IF THEY'RE
RIGHT?
SOMETIMES YOU DON'T.
MOST OF US PROBABLY REMEMBER
HEARING ABOUT LIZZIE BORDEN, THE
WOMAN ASSOCIATED WITH ONE OF THE
MOST NOTORIOUS MURDERS IN
AMERICAN HISTORY.
DO YOU REMEMBER IF SHE WAS
GUILTY OF THAT CRIME?
LET'S SEE IF THIS NURSERY RHYME
ABOUT THE CASE JOGS YOUR MEMORY.
LIZZIE BORDEN TOOK AN AXE...
AND GAVE HER MOTHER 40
WHACKS...
AND WHEN SHE SAW WHAT SHE HAD
DONE...
SHE GAVE HER FATHER 41.
LIZZIE BORDEN TOOK AN AXE...
AND GAVE HER MOTHER 40
WHACKS...
WHEN SHE SAW WHAT SHE HAD
DONE...
SHE GAVE HER FATHER 41.
DID YOU REMEMBER
THIS NURSERY RHYME?
IF YOU DIDN'T KNOW IT ALREADY,
COULD YOU EASILY KEEP IT IN YOUR
MEMORY?
IF SO, PAY ATTENTION, BECAUSE IT
CAN REVEAL A SINISTER TRUTH
ABOUT THE ACTUAL HISTORY OF
LIZZIE BORDEN.
EVERY CHILD HAS HEARD THAT
TERRIFYING TALE OF LIZZIE
BORDEN.
ON AUGUST 4TH,
1892, LIZZIE BORDON EMERGED FROM
HER HOME SCREAMING HER FAMILY
HAD BEEN MURDERED.
WHAT THE POLICE FOUND WAS
SHOCKING.
MR. BORDEN WAS FOUND ON THE
SOFA FACE-DOWN COVERED IN BLOOD.
MRS. BORDEN WAS UPSTAIRS, LYING
IN A POOL OF BLOOD AS WELL.
BORDEN WAS PROMPTLY
CHARGED WITH MURDER.
THE GRUESOME LEGEND OF THE CRIME
HAS BEEN FOREVER PRESERVED IN
THAT CATCHY RHYME.
BUT HERE'S A QUESTION--WAS
LIZZIE BORDEN ACTUALLY GUILTY?
THE RHYME LEAVES ABSOLUTELY
ZERO DOUBT ABOUT LIZZIE BORDEN'S
GUILT, BUT HERE IS THE REALLY
SURPRISING FACT--
THE JURY FOUND HER NOT GUILTY.
IN FACT, EVERY
DETAIL IN THE RHYME IS WRONG.
THE BORDENS WERE FOUND WITH 29
STAB WOUNDS IN ALL, NOT 81.
DESPITE LIZZIE'S ACQUITTAL, SHE
IS REMEMBERED AS A BRUTAL
MURDERER THANKS IN SMALL PART
TO A CHILDREN'S RHYME.
BUT IT WOULD NOT BE AS CATCHY
A POEM IF IT WERE GETTING THE
FACTS RIGHT.
WHY DOES THIS
INFECTIOUS NURSERY RHYME COMPEL
US TO BELIEVE SOMETHING THAT'S
COMPLETELY UNTRUE?
IF A STORY SEEMS FAMILIAR, WE
TEND TO OVERESTIMATE ITS TRUTH.
THIS IS A PSYCHOLOGICAL
PHENOMENON KNOWN AS THE ILLUSION
OF TRUTH EFFECT.
THE MORE OFTEN YOU HEAR AN
ASSERTION MADE, THE MORE LIKELY
YOU ARE TO BELIEVE IT,
REGARDLESS OF IT'S OBJECTIVE
TRUTH.
THE REPETITION OF
A MESSAGE CAN DRILL THE MEMORY
INTO OUR HEAD AND REINFORCE A
FALSE SENSE OF TRUTH.
THIS IS WHY CONSTANT POLITICAL
PROPAGANDA CAN BE SO EFFECTIVE.
AND WHY ADVERTISING COMPANIES
WANT YOU TO SEE THE SAME
COMMERCIAL OVER AND OVER AGAIN,
TO REINFORCE THE MESSAGE IN YOUR
MEMORY.
AND THIS IS PARTLY WHY WE
REMEMBER THE WRONG STORY WITH
LIZZIE BORDEN.
AND THAT'S NOT THE ONLY WAY OUR
MEMORY IMPOSES ITSELF OVER THE
DETAILS.
TO DEMONSTRATE, SCIENCE
JOURNALIST JESS WISE HAS AN
INTRIGUING PICTURE FOR YOU
TO PIECE TOGETHER.
DO YOU RECOGNIZE THIS PIXILATED
IMAGE?
I'M GOING TO GIVE YOU A HINT.
IT'S A FAMOUS WORK OF ART.
I'M NOT GOOD IN ART.
BELIEVE ME, YOU'VE SEEN THIS.
TRY SQUINTING.
RECOGNIZE IT NOW?
MONA LISA?
OHH!
MONA LISA!
THIS IS IN FACT...
THE MONA LISA.
HEY!
THIS OBVIOUSLY IS ONE OF THE
MOST FAMOUS PIECES OF ART, AND
YOUR BRAIN IS SO FAMILIAR WITH
IT, THAT LOOKING AT THIS HANDFUL
OF PIXELS, IT'S ABLE TO EXTRACT
THAT COMPLICATED PICTURE.
DECIPHERING THE BIG
PICTURE IS WHAT OUR MEMORY DOES
BEST.
BUT THERE'S A TWISHERE.
YOU JUST LOOKED AT THE FULL-
RESOLUTION IMAGE OF THE MONA
LISA.
DO YOU REMEMBER SEEING A UFO?
(laughs)
NO!
NO.
ALIENS?
NO, I DIDN'T SEE ANY UFO IN
THERE ANYWHERE.
DO YOU REMEMBER
SEEING A UFO?
WHEN YOU ASK PEOPLE, "DID YOU
SEE THE UFO IN THE MONA LISA?"
THEY DON'T KNOW WHAT YOU'RE
TALKING ABOUT.
SURELY YOU'D
REMEMBER SEEING A UFO IN THIS
FAMOUS PAINTING.
LET'S TAKE ANOTHER LOOK.
OH, MY GOD, THERE IS A UFO IN
THERE!
THAT'S RIGHT.
THAT'S IN THE ACTUAL ORIGINAL
PAINTING?
THAT'S SO FUNNY!
THAT'S GREAT!
WHY DO YOU THINK YOU DIDN'T
NOTICE THIS?
I DON'T KNOW, I WAS SO
FOCUSED ON HER FACE AND THINKING
ABOUT THE PIXELS.
AND SOMETIMES YOU JUST SEE
WHAT YOU WANT TO SEE.
DID YOU NOTICE
ANYTHING ELSE WEIRD?
IS THERE ANYTHING ELSE
UNUSUAL ABOUT THIS VERSION OF
THE MONA LISA?
SO WHAT'S BEHIND HER
SHOULDER THERE?
ISN'T IT LIKE A DINOSAUR OR
SOMETHING?
LIKE A LOCH NESS MONSTER?
IF YOU LOOK CAREFULLY OVER
HERE YOU'LL SEE A FAINT IMAGE OF
THE LOCH NESS MONSTER.
OH! (laughs)
YEAH, IT DOES.
WOW. (laughs)
SO THESE ARE THINGS THAT YOU
MIGHT EXPECT WOULD STAND OUT
LIKE A SORE THUMB.
TO ME, IT'S WEIRD BECAUSE I
WOULD NEVER THINK, YOU KNOW,
THAT IT WOULD BE UFOS AND THE
LOCH NESS MONSTER RIGHT NEXT TO
THE MONA LISA.
ONCE OUR BRAIN
CONNECTS TO THE MEMORY OF THE
MONA LISA, ITS QUEST FOR
COMPREHENSION STOPS.
IT'S VERY EASY FOR THE BRAIN
TO MISS THE DETAILS.
WHY?
BECAUSE THEY WEREN'T EXPECTING
TO SEE THE UFO OR THE LOCH NESS
MONSTER, AND THEY DIDN'T EXPECT
TO SEE IT AND SO THEY DIDN'T SEE
IT.
IT'S ABSOLUTELY CRAZY.
YOU KNOW WHAT?
I GUESS THE DETAILS ARE JUST
INVISIBLE TO ME.
DO YOU THINK THIS MAKES YOU
DISTRUST YOUR ABILITY TO
REMEMBER DETAILS?
AT OUR AGE?
(laughs)
THOUGH OUR BRAINS
GLOSS OVER THE DETAILS TO GRASP
THE BIG PICTURE, THIS PROCESS
REVEALS ONE IMPORTANT PURPOSE OF
HUMAN MEMORY.
WHAT SEEMS LIKE A MISTAKE
ACTUALLY POINTS OUT THE WAYS OUR
BRAINS WORK.
IT DOESN'T WORK THAT WAY JUST
BECAUSE EVOLUTION DID A
REALLY CRAPPY JOB.
OUR BRAINS ARE DESIGNED TO BE
EFFICIENT.
OUR BRAINS OPERATE ON ONLY ABOUT
15 WATTS OF POWER.
WE HAVE TO FOCUS OUR ATTENTION
ON WHAT MATTERS TO US.
WERE YOU ABLE TO
SEE PAST YOUR MEMORY'S MANY
MISTAKES?
DID YOU RECALL THE WRONG PENNY?
OR FAIL TO REMEMBER THE CHANGES
DURING RICHARD WISEMAN'S CARD
TRICKS?
DID YOU ALSO EXPERIENCE
MEMORY CONTAMINATION?
AND I SAW AN AIRPLANE HIT THE
TOWER.
IF SO, JUST KEEP
THIS IN MIND...
WHEN YOU FALL VICTIM TO AN
ILLUSION, SOMETIMES IT FEELS
LIKE YOUR BRAIN HAS BETRAYED
YOU, LIKE YOU FAILED TO DO
SOMETHING THAT SHOULD'VE BEEN
OBVIOUS.
THESE ARE NOT YOUR CARDS.
AH, MAN!
IT'S PART OF BEING HUMAN.
I DON'T KNOW WHAT TO TRUST
ANYMORE!
FROM HISTORY'S MOST
LEGENDARY FIGURES TO ITS
STRANGEST CONSPIRACIES, THERE
ARE COUNTLESS WAYS HUMAN MEMORY
CAN PLAY TRICKS ON US BECAUSE
WHAT YOU REMEMBER MIGHT JUST BE
ANOTHER MISSTEP MADE BY YOUR
BLEEPED-UP BRAIN.
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