30
INTRODUCTION TO PSYCHOLOGY Perception

Unit 3 perception ppt

Embed Size (px)

Citation preview

Page 1: Unit 3 perception ppt

INTRODUCTION TO PSYCHOLOGY

Perception

Page 2: Unit 3 perception ppt

Perception

“Perception refers to the interpretation of what we take in through our senses. In terms of optical illusions this means our eyes.”

Simply put, our brains are tricked into seeing something which may or may not be real.

http://www.keele.ac.uk/depts/aa/widening/uniworld/webclub/rs/optical.htm

Page 3: Unit 3 perception ppt

Factors that Influence

Perception The Object of Perception:

some things in our environment tend to attract attention

Backgrounds and Surroundingsour surroundings at the moment of perception will affect our perceptions

The Perceiverwe each bring unique experiences and personal points of view to each situation

Page 4: Unit 3 perception ppt

In order to make sense of our world our brains try to see patterns or shapes that are recognizable. This principle is called

“grouping”.

http://www.keele.ac.uk/depts/aa/widening/uniworld/webclub/rs/optical.htm

Page 5: Unit 3 perception ppt

The mind forms shapes that don't exist

http://psycharts.com/opt_illus.html

Page 6: Unit 3 perception ppt

http://psycharts.com/opt_illus.html

Page 7: Unit 3 perception ppt

Parallel Lines? http://psycharts.com/opt_illus.html

Page 8: Unit 3 perception ppt

Embedded Images

http://psycharts.com/opt_illus.html

Page 9: Unit 3 perception ppt

http://psycharts.com/opt_illus.html

Page 10: Unit 3 perception ppt

2 dimensional chalk drawing

http://psycharts.com/opt_illus.html

Page 11: Unit 3 perception ppt

http://psycharts.com/opt_illus.html

Page 12: Unit 3 perception ppt

After a Necker cube is perceived from one perspective, it naturally tends to change to the other in about 3 seconds. 

http://psycharts.com/opt_illus.html

Page 13: Unit 3 perception ppt

• When you look at the top figure, your visual system will organize the elements into a box. The box will reverse, as in the Necker Cube illusion. The elements in the bottom figure have terminations and do not readily group into a box figure that shows reversals

                             

http://dragon.uml.edu/psych/box_1.html

Page 14: Unit 3 perception ppt

How fast do you switch?

http://psycharts.com/opt_illus.html

Page 15: Unit 3 perception ppt

You will see it flip into a second staircase

• M.C. Escher used complex variations on this illusion to achieve some wonderful effects like showing representations of people walking in opposite directions, both descending. He also joined staircases into an appearance of infinite ascent/descent.

http://dragon.uml.edu/psych/stair.html

Page 16: Unit 3 perception ppt

M.C. Escher

Page 17: Unit 3 perception ppt
Page 18: Unit 3 perception ppt

The shades of red are identical

The difference in the appearance is related to the influence of the

backgrounds. http://psycharts.com/opt_illus.html

Compare the shades of red…

Page 19: Unit 3 perception ppt

http://psycharts.com/opt_illus.html

When you look at the figure you will see either a vase or two faces. If you continue to look, the figure will appear to shift to the alternative organization

Page 20: Unit 3 perception ppt

Old Woman or Young Girl?

http://psycharts.com/opt_illus.html

Page 21: Unit 3 perception ppt

Man/Woman

http://psycharts.com/opt_illus.html

Page 22: Unit 3 perception ppt

Shimmerhttp://psycharts.com/opt_illus.html

Page 23: Unit 3 perception ppt

Any movement you see is an illusion!

http://psycharts.com/opt_illus.html

Page 24: Unit 3 perception ppt

http://psycharts.com/opt_illus.html

Page 25: Unit 3 perception ppt

Straight Lines?

http://psycharts.com/opt_illus.html

Page 26: Unit 3 perception ppt

http://www.at-bristol.org.uk/Optical/Hermann_main.htm

                                                                                                                                      

Hermann Grid

Page 27: Unit 3 perception ppt

Impossible Triangleand Trident

http://psycharts.com/opt_illus.html

Page 28: Unit 3 perception ppt

What is wrong with this sign?

http://www.keele.ac.uk/depts/aa/widening/uniworld/webclub/rs/optical.htm

Page 29: Unit 3 perception ppt

One more…

Perspective is evoked in this image by the pattern, and the lines on the wall which converge on to a common point in the distance.

http://www.sapdesignguild.org/resources/optical_illusions/perspective.html & http://www.killsometime.com/illusions/Optical-Illusion.asp?Illusion-ID=36