Brightness Consistancy

Color Consistency

                                 

The red squares are the same color in the top and bottom of the "X".

shape

                                                            

Which of the figures in the picture do you think would measure the tallest with a ruler?Don't measure -- just guess!

Muller Lyer Illusions

Poggendorf Illusion

Spiral aftereffect

• “Stepping feet” Motion Illusion

http://www.michaelbach.de/ot/sze_t-illusion/index.html

T-llusion

Ames Room

Good vs Evil – figure ground

                                                                      

Are the horizontal lines parallel, or do they slope?

How many legs does the elephant have?

                 

Man playing a horn?Or woman's face?

                                              

A rabbit, looking right?Or a duck, looking left?

http://www.michaelbach.de/ot/sze_t-illusion/index.html

                        

What do see?

                                  

Three prong fork?

                                      

Is this woman old...or young?

                                  

Wavy Squares? No!The background of concentric circles makes the squares appear distorted.

                       

      Perpetually ascending staircase...how can the man go up all the time and come back to the same place over and over?

                                            

Stare at the Reversing Staircase Illusion until it changes to a different staircase.