Fascinating Visual/Auditory Illusion Video
This is an effect that says that what you see affects what you hear. Watch
this short video of a man. He is saying. Da Da Da Da Da. Now repeat but this
time close your eyes. He is saying Ba Ba Ba Ba not Da Da Da. Try it again with
your eyes open. Da Da Da. There's no tricks. Its called the McGurk Effect.
It is quite amazing. The effect is apparently that the shape of his mouth
looks as if his saying Da etc but a recording of his voice saying Ba Ba Ba
instead has been used. When you say Ba you close your mouth for the B sound. But
with Da, you keep it open for the D sound. Your brain thinks he is keeping it
open (when you watch) so you 'hear Da' even though it is Ba.
Theres also a bit about it on Wikipedia.
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Posted: July 28th, 2010 under default.
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