Spend
some time viewing the following illusions and consider the questions
posed
after each one. Then, choose
two of the illusions you find especially interesting and answer the
following
questions for each illusion:
1.What
processes/properties of the visual system cause the illusion?
2.By
now, you should be convinced that your visual system is indeed subject
to many kinds of illusions—that is to say, seeing things that are not
really
there, or not seeing things that are really there. Whose
view,
then, to you agree with: John Locke’s or Immanuel Kant’s? Why?
Click
on each illusion type to experience the illusion:
Hermann Grid Illusion·Please also view this illusion with colored grids
·Do you see spots between the colored squares? Are the spots gray or tinged with color?Are the spots dependent upon the color of the background?
·You should be able to view two different orientations of the cube.
·How do additional depth cues influence your ability to re-orient the image?
·When you are no longer able to view the black dot:
oWhat do you see?
oWhat about here?
·What happens when you look at the dot (or the picture of the eye?)
Mach Bands - Edge Enhancement Illusion
·Do the gray bars appear uniform throughout or is there a gradient?
·Would you expect this to work with colored bands?
·Now try some more complex images:
oFlag
oMan
