Goals: Goals: Optical Illusion ArtOptical Illusion Art

Understand and discuss “what is an illusion” Understand and discuss “what is an illusion” and analyze different types of visual and analyze different types of visual illusions.illusions.

Demonstrate your ability to draw a variety Demonstrate your ability to draw a variety of different illusions.of different illusions.

Produce an illusion drawing using a pencil Produce an illusion drawing using a pencil and black Indian ink and/or colored pencils.and black Indian ink and/or colored pencils.

Show your op art illusion art to the student Show your op art illusion art to the student body. body.

What is an What is an Illusion?Illusion?

il·lu·sion il·lu·sion ((-l-lzhzhnn) ) nounnoun

•illusions that deceive the human visual system into perceiving something that is not present or incorrectly perceiving what is present.

The Human brain put images together because it has learned to expect things; sometimes the data might get a little confused.

We may see an illusion because we know what we are expected to see, even though part of a picture or design may not be completely there. The basis of this is in how we perceive things.

OPTICAL ILLUSIONS...OPTICAL ILLUSIONS...

This is the This is the Bunny/Duck Bunny/Duck illusionillusion. At first . At first glance, what do you glance, what do you see? Now give it see? Now give it some time, but do not some time, but do not focus on one certain focus on one certain area, and then ask area, and then ask Yourself; what do IYourself; what do I

really see? Now, look really see? Now, look again. You might be again. You might be surprised!!!!!!surprised!!!!!!

Is this man Is this man playing a sax, playing a sax, or is there or is there something moresomething more

here?here?

Looks like President Clinton and Vice President Gore, right?Wrong... It's Clinton's face twice, with two different haircuts.

What do you see?

Do you see some Do you see some squares or squares or rectanglesrectangles? Really, ? Really, this is nothing more this is nothing more than a bunch of lines than a bunch of lines going in every which going in every which direction, but the direction, but the way our mind way our mind interprets these lines interprets these lines are totally different!!are totally different!!

At first glance, At first glance, what do you see--what do you see--Could it be the Could it be the word word "liar""liar" or is it or is it something more. I something more. I would definitely would definitely give this one a give this one a second look! second look!

This is probably the This is probably the most famous illusion most famous illusion of all time! Almost of all time! Almost everyone has seeneveryone has seen

it! What do you see it! What do you see at your first glance of at your first glance of this illusion! Do you this illusion! Do you see an old lady, or do see an old lady, or do you see a young you see a young women? They are women? They are both there!!both there!!

This is probably the This is probably the hardest illusion that I hardest illusion that I have ever seen, and I have ever seen, and I have to say my have to say my personal favorite!!! personal favorite!!! When you first look at When you first look at this, do you see and old this, do you see and old man with ivy leaves man with ivy leaves around him, or do you around him, or do you see a couple kissing? see a couple kissing? Be patient and give it Be patient and give it some time!! You will some time!! You will eventually see it.eventually see it.

Do the sides of the Do the sides of the square appear to be square appear to be bent in?bent in? Wait, now Wait, now that is Impossible!that is Impossible!

Believe it or not, they Believe it or not, they are as straight as they are as straight as they come. If you do not come. If you do not believe me,believe me,

take a straight edge take a straight edge and see for yourself!!!and see for yourself!!!

How many ways can How many ways can you view this cube? you view this cube? Is the blue side Is the blue side outside the box or is it outside the box or is it inside? Is it on the inside? Is it on the back of the box of is it back of the box of is it on the side? Examine on the side? Examine this cube closely, and this cube closely, and let the light blue side let the light blue side guide you!guide you!

When you look at When you look at this, you probably this, you probably see a see a triangletriangle. . There is not one There is not one there! The way the there! The way the circle parts are cut circle parts are cut out, make us think out, make us think there is a triangle there is a triangle there even though there even though there isn’t any!there isn’t any!

Are the diagonals Are the diagonals parallel? You bet parallel? You bet they are! they are!

I have heard this I have heard this illusion called the illusion called the dancing elephantdancing elephant and several other and several other things. I want you to things. I want you to look at the elephants look at the elephants feet and legs. How feet and legs. How many are actually many are actually there?there?

When you first read When you first read this, what does it say?this, what does it say?

A Bird In The BushA Bird In The Bush? ?

If you read this more If you read this more

carefully you will find carefully you will find that it says that it says A Bird In A Bird In The The BushThe The Bush!!! !!!

THE ENDTHE END

Student Examples: Optical Student Examples: Optical IllusionsIllusions