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The Jastrow Illusion

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Jastrow Illusion

Which of these objects is bigger? The answer may surprise you.

The two objects are actually identical even though the bottom one looks larger. This is an optical effect called the Jastrow Illusion.

Click here to watch an animation of this illusion.

You can also check out this short video for a demonstration.



 

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Erin Matlock About the author, Erin Matlock
Erin Matlock is the CEO of Brain Pages, Inc, a media company specializing in the promotion of brain focused resources and professionals. Along with heading up BRAIN PAGES, the company's brain friendly directory and online community, she serves as Founder and Editor in Chief of BrainTraining101.com and TheBrainChannel.com.

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3 Comments On This Post

  1. The Best Optical Illusion Of The Year | Brain Training 101 says:
    July 10, 2010 at 2:15PM

    [...] love the surprise factor of optical illusions, so I won’t spoil it with an explanation. Check it out for yourself in the short video [...]

    Reply
  2. Tweets that mention The Jastrow Illusion | Brain Training 101 -- Topsy.com says:
    April 22, 2010 at 4:17AM

    [...] This post was mentioned on Twitter by BrainTraining101.com, Camille . Camille said: RT @ErinMatlock: Which of these two objects is bigger? http://www.braintraining101.com/the-jastrow-illusion/ http://bit.ly/cFqL81 [...]

    Reply
  3. Tweets that mention The Jastrow Illusion | Brain Training 101 -- Topsy.com says:
    April 21, 2010 at 4:05PM

    [...] This post was mentioned on Twitter by BrainTraining101.com. BrainTraining101.com said: Which of these two objects is bigger? http://www.braintraining101.com/the-jastrow-illusion/ http://bit.ly/cFqL81 [...]

    Reply

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