Brain Tricks - This Is How Your Brain Works

  • Published on Jan 31, 2013
  • Get the book:
    Ever wonder how your brain processes information? These brain tricks and illusions help to demonstrate the two main systems of Fast and Slow Thinking in your brain.
    Written and created by Mitchell Moffit (twitter @mitchellmoffit) and Gregory Brown (twitter @whalewatchmeplz).
    Mitchell Moffit
    Gregory Brown
    Further Reading --
    1) Thinking Fast and Slow - Daniel Khaneman
  • Science & TechnologyScience & Technology

Comments • 11 467

  • SolarTM
    SolarTM 22 hours ago

    why would someone wash soap?

  • Chloe Lyne
    Chloe Lyne 23 hours ago

    I read a 13 c at first...

  • entombed dolphin

    Why do we need our lips

  • Dragoncake
    Dragoncake Day ago

    I don't do alot of fast thinking and spend too much time comprehending things so I'ma bit SLOW

  • Jesus Christ
    Jesus Christ Day ago +1

    Even the Moses and the ark tricked me

  • Leah Pardist
    Leah Pardist Day ago

    Who still wants to find out 19×26 is in your mind

  • Billy Bob
    Billy Bob Day ago

    Thanks ASAP science! My teacher played this in class!

  • Keyboard Warrior
    Keyboard Warrior 2 days ago +1

    Wash soup
    Eat soap

  • Susan *Vegan*
    Susan *Vegan* 3 days ago

    I thought Ann was gonna rob the bank…

  • Colosious Composter
    Colosious Composter 3 days ago

    I read a 1 3 c but I didn’t realize it was supposed to be abc

  • Ha Tran
    Ha Tran 3 days ago +1

    “Noah did”
    First time hearing: “No one did”

  • THE lourd YT
    THE lourd YT 3 days ago

    4:10. it looks so delicious

  • tim mobile
    tim mobile 4 days ago

    19 X 26 = 494

  • Ben Wood
    Ben Wood 4 days ago

    how can we help stop/slow down climate change

  • Michael Dein
    Michael Dein 5 days ago

    What do you mean I would likey see soup. soap tastes waaaay better.

  • Derpqueen 101
    Derpqueen 101 6 days ago

    Eat so *a* p

  • Larry B
    Larry B 6 days ago

    Wtf at 1:32 adding 1 to each digit of 6132 should be 7243 NOT 7043.

  • Zahra Gaidi
    Zahra Gaidi 9 days ago

    I still don't understand this one

    • Zahra Gaidi
      Zahra Gaidi 7 days ago

      @ihxtekevin I already got it
      But still... thanks

    • ihxtekevin
      ihxtekevin 7 days ago

      if the ball cost 10c the bat would cost $1.10 and adding it all up, the total would be 1.20 instead of $1.10. Since the bat is $1 more than the ball, the ball has to cost 5c. Therefore, the bat would cost $1.05 + the ball which is 5c which gives you $1.10

  • Michelle Bustillos
    Michelle Bustillos 9 days ago

    I actually read it as q 13 c 😂

  • kings
    kings 10 days ago +1

    I have a neuroscientific IG Account, check it out! Username : Lifesciencemix

  • Izey
    Izey 11 days ago

    my brain is soo slow

  • Jordan Bridge
    Jordan Bridge 11 days ago +1

    If you think about it the brain named it self the brain

  • Exeonnn Hello
    Exeonnn Hello 12 days ago

    I'm just bad at math

  • Lee Ho Yeung
    Lee Ho Yeung 13 days ago

    I read A 13 C there...

  • Elijah. .Just. .Elijah

    Actaully i thought wash soup and eat soap

  • Some random potato passing by

    Too much informations...I think my brain is broke now

  • Some random potato passing by

    I have a trick
    Look at ma life

    Wait I don't even have one nvm

  • Master Of Mlg
    Master Of Mlg 13 days ago +1

    Eat soap kids

  • Jon Bryant
    Jon Bryant 13 days ago

    I still don’t get how that answer was not 10 cents

  • Oi
    Oi 13 days ago

    Brain.exe stopped working

  • It's Easy
    It's Easy 14 days ago

    I worked out 19 x 26 and I got 394, am I right?
    Edit: no I’m not

  • blue lasagna
    blue lasagna 14 days ago +1

    There's a third way of how the brain works: Not Thinking

  • leon king
    leon king 14 days ago

    Im dead

  • Sy The
    Sy The 14 days ago

    Gives u 0.1 sec to answer

  • QU0B3N 9999
    QU0B3N 9999 14 days ago

    2:30 there are multiple possibilities for the answer

  • Atomas X
    Atomas X 15 days ago

    3:14 The ABC there doesn't read ABC it reads A13C

  • Smol floof
    Smol floof 15 days ago +13

    I thought wash soup and eat soap. Thanks for putting me on the poison control watch list

  • ThatOneAnimeKid :
    ThatOneAnimeKid : 15 days ago

    eAT SOaP

  • logan Wiseley
    logan Wiseley 16 days ago

    This dude puts words in my mouth, he assumes my 2nd stage thinking process thought all the complex answers. Same for the soap and soup. This was shit

  • Action song obi
    Action song obi 16 days ago +5

    I'm just watching this because my mom said "watch something benifitial"
    (Bad english)

  • q370p
    q370p 16 days ago

    wash soup. Soup store.

  • YouTube Graduated
    YouTube Graduated 16 days ago +7

    You should have written "Maths included in video" in thumbnail so I wouldn't click in the first place. NVM, I didn't even solve anything

  • nshvll
    nshvll 17 days ago

    Wash Soup
    Eat Soap

  • Down er
    Down er 17 days ago

    3:02 is that in the bible cos I didn’t read it and I never will

  • Down er
    Down er 17 days ago

    2:29 that’s one dollar and FIVE cents

  • Bluemann023
    Bluemann023 18 days ago

    Why is 10cents wrong

  • Titanic
    Titanic 18 days ago

    2:24 No, I already heard of this puzzle, and know it at once

  • Christeen Sweidan
    Christeen Sweidan 21 day ago

    why do i still think it is 10 cents 2:14 ? can someone explain? help pls, i am blind so i cant do it math why u do dis?

  • Zes Jerome
    Zes Jerome 21 day ago

    wrg, think, can think any no matter what and any be perfect

  • Katherine Helwig
    Katherine Helwig 23 days ago

    1:17 do you mean 4906?

  • Lukáš Vtípil
    Lukáš Vtípil 25 days ago

    Am I the olny one who saw A 13 C?

  • Jesusiswithme Mamita
    Jesusiswithme Mamita 27 days ago

    It's not tricks

  • payrim Dwein
    payrim Dwein 28 days ago

    HAHA U can't get us

    he says soup and shows noodles

  • Paul Hanke
    Paul Hanke Month ago

    I did some things different than he said... I think my brain is broken

  • Rosie Joy
    Rosie Joy Month ago +1

    My fast thinking part comes up with the same answer as alow

  • Kenny Arias
    Kenny Arias Month ago

    at 3:09 I saw A13C until you said B, now I can not unsee it

  • Matthew Wang
    Matthew Wang Month ago

    its 497

  • Rose 3114
    Rose 3114 Month ago

    Who else watched this in school?

    Only me...ok

  • * Kiwiizzy *
    * Kiwiizzy * Month ago

    I’m disipointed my brain is not as advanced as I thought

  • DotDotDot
    DotDotDot Month ago +1

    3:28 Nah mate you just cant draw letter B's

  • Gospodin Ivanov
    Gospodin Ivanov Month ago

    Where are comedy coming?
    (1 or 2)

  • Trigno
    Trigno Month ago +3

    2:15 can someone tell me how it's not 10 like how tf r we suppose to know that the bat was 1.5 smh
    Edit: Nvm got it thanks

    • Dcortguy Gaming
      Dcortguy Gaming Month ago +2

      Trigno No problem

    • Trigno
      Trigno Month ago +1

      Dcortguy Gaming oh thanks it helped

    • Dcortguy Gaming
      Dcortguy Gaming Month ago +2

      Here, I found it confusing as well.

  • The Gaming Potato
    The Gaming Potato Month ago

    0:16 it’s 494

  • Fiene Van Dijk
    Fiene Van Dijk Month ago


  • Nick Stuart
    Nick Stuart Month ago

    2:51 or maybe it’s because I’m not Christia

  • Yeetin Spacore
    Yeetin Spacore Month ago

    free pussy

  • LΛZЯ
    LΛZЯ Month ago +1

    I thought both were "soap"

  • Dutch Colonial Mapping

    2:58 as a christian i already knew that it was wrong

  • ThatLastWaffle Gaming And More

    R..right I didn’t think eat soap phhpt why would I I’m not weird

  • paige snook
    paige snook Month ago +1

    i didn’t understand the bat and ball question.

  • JackoRabbit3620 Xbox

    My brain see two thing by slow and fast at the same time. I'm weird

  • Invisible Boy
    Invisible Boy Month ago

    I didn't understand the bat and ball ques

  • Hassan Cohmdan
    Hassan Cohmdan Month ago

    I had great difficulty with reading “ABC”

  • H Perm
    H Perm Month ago

    0:26 19x26=494

  • YellowCrypticV2
    YellowCrypticV2 Month ago

    Fake i am a einstein so the math was easy

  • Pixxel
    Pixxel Month ago

    *EAT SOAP*

  • Dra Matic
    Dra Matic Month ago

    2:50 i didnt even know who took animals on the ark lol

  • Parth Kapoor
    Parth Kapoor Month ago +2

    Without my brain, I’m literally nothing...but here I am, trying to trick it...😐

  • waffle
    waffle Month ago


  • Siri M
    Siri M Month ago

    Was I the only one that saw A13C

  • PseudoJellie .
    PseudoJellie . Month ago

    What if I eat soap?

  • Beef Boi ツ
    Beef Boi ツ Month ago

    the answer is 294, for the multiplication. just saying...:P

  • IVYflash GT
    IVYflash GT Month ago


  • Sherica Hardin
    Sherica Hardin Month ago


  • Ok Alright
    Ok Alright Month ago

    I solved the problem tho?

  • PvlCZ
    PvlCZ 2 months ago

    My Brain didnt think 10. I know this puzzle

  • GamingwithKen
    GamingwithKen 2 months ago

    How did Noah Save the Israelites?

    Edit:Noah didnt lead the Israelites.....Moses did

  • MineSweeper2048
    MineSweeper2048 2 months ago

    I definitely saw A13C first

  • FiddleYT
    FiddleYT 2 months ago

    1:13 uhh the answers wrong xD its suppose to be 4908

  • AngiePlayz
    AngiePlayz 2 months ago

    You are exploding my mind

  • Mary Rose Rivera
    Mary Rose Rivera 2 months ago +1

    How weird
    The people
    See don't
    The first
    The but
    not the
    second the
    You that read wrong , It was A trick at the very first sentence
    Look at them again

  • Mary Rose Rivera
    Mary Rose Rivera 2 months ago

    How weird
    The people
    See don't
    The first
    The but
    not the
    second the
    You that read
    wrong , It was
    A trick at the
    very first sentence
    Look at them again

  • Mary Rose Rivera
    Mary Rose Rivera 2 months ago

    How weird
    The people
    See don't
    The first
    The but
    not the
    second the
    You that read
    wrong , It was
    A trick at the
    very first weapon
    Look at them again

  • Creeper Time
    Creeper Time 2 months ago

    When I clicked this video I got a ad that showed a women trying to find her dog that was in her purse

  • Francisco 1
    Francisco 1 2 months ago

    What is the tune name??

  • Mary Rose Rivera
    Mary Rose Rivera 2 months ago

    26x19 = 494

  • Kael Madding
    Kael Madding 2 months ago +12

    x 19
    + 260

    You are welcome.

  • Dr. Deth Defuhying
    Dr. Deth Defuhying 2 months ago

    2:00 I need to go backwards because why the numbers are changing when you put it to the right side
    so I noticed it

  • kevin ford
    kevin ford 2 months ago

    I watched a video yesterday that had the same exact examples. Verbatim

  • Tomáš Vician
    Tomáš Vician 2 months ago

    I just realized that something is wrong with my brain because I read A13C at first and answered wash soup and eat soap instantls (my brain tought it would be funny and did it instantly while knowing correct answers) :D