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McGurk illusion

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Uploaded by on Feb 5, 2008

From the book "The Frog Who Croaked Blue" by Jamie Ward.

Look at this person speaking. What do you hear? "Ba, ba" or "da, da".

Most people hear "da, da".

Now try again with your eyes closed. Are you sure that it isn't "ba, ba"?

In fact, this movie has been edited such that the lip movements are saying "ga, ga" and the sound is actually "ba, ba". But your brain pulls this information together to create a new interpretation that was different for that received by either your sense of hearing or vision, namely "da, da".

Find out more in Jamie Ward's book "The Frog Who Croaked Blue".

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Top Comments

  • I heard "ba, ba" both times. I'm severely disappointed.

  • NOOOOOO what????  Ahaha this is amazing - it sounded a bit like he had a speech impediment (when I watched) but it also sounded very clearly like "da da da" - oh my god!

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All Comments (25)

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  • lol i hear GAGA and BABA.. depending what I want to hear.. but never da da

  • @snip3z4kills LIAR. 

  • Gaga baba dada

  • I hear tha tha.

  • I'm hearing na na , even with the sound turned off :S

  • Heard him say da da while watching and baba when I closed my eyes.

  • Sounds like he said Da Da both times -.-

  • i can just hear ba ba ba ba eyes open or closed

  • @r0binh0od I want to get another account just to like that comment again

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