Brain exercise: are these lines, top-down, parallel?


1) In your eyes?
2) In reality?

Do you have a guess on what is going on? Answer post­ed as a Comment.

Posted in


  1. asd on October 6, 2006 at 10:28

    yes they are parallel

  2. Alvaro on October 8, 2006 at 8:52

    Yes, they are par­al­lel. Pay atten­tion to a sin­gle row, and then look at the adja­cent one. The lines appear parallel. 

    Lines out­side direct focus, in periph­er­al vision, bend.

  3. Christopher Panayis on November 26, 2006 at 4:18

    black colour makes the sur­round­ed white look small­er in surface

  4. Alvaro on November 26, 2006 at 4:33

    good point, Christopher

  5. woody on January 20, 2008 at 9:27

    It looks like a bunch of desks

  6. Liliana on March 18, 2008 at 5:37

    They are total­ly par­al­lel, the eyes are our biggest ene­my in the mater of disguise

  7. gorgorothmaster3000 on January 29, 2009 at 2:27

    Uhh­h­h­h­h­h­hh turned sideways..uhhh…it.uhhhh..loooooks like a bunch of tem oll­l­ll’ boxed seguls.

English About SharpBrains

SHARPBRAINS is an independent think-tank and consulting firm providing services at the frontier of applied neuroscience, health, leadership and innovation.

English About SharpBrains

SHARPBRAINS es un think-tank y consultoría independiente proporcionando servicios para la neurociencia aplicada, salud, liderazgo e innovación.

Top Articles on Brain Health and Neuroplasticity

Top 10 Brain Teasers and Illusions


Subscribe to our e-newsletter

* indicates required

Got the book?