1. Chapter 8.3: Perception, Illusions, and ESP
Mr. Loeffler
Psychology

2. Do-Now: (Discussion) What are optical illusions?
Why do you think we experience them?
Provide an example of one optical illusion that you have experienced.

3. Perceptual Organization
Gestalt:
The experience that comes from organizing bits and pieces into meaningful wholes

4. Perceptual Organization

5. Pop Out Features

13. Subliminal Messages
Brief auditory or visual messages that are presented below the absolute threshold
First reported being used in a movie theatre “Eat Popcorn”

14. Pepsi Cool Can from the 90’s

15. Camel Tobacco

16. No ring on Finger
Red mask is upside down
Red mask covering backside is symbolic of animal in heat

17. Depth Perception Depth Perception:
The ability to recognize distances and three-dimensionality

19. Monocular Depth Cues Monocular Depth Cues:
Cues that can be used with a single eye
E.g.:
Relative Height
Interposition – overlapping of images
Light and Shadows
Texture/Detail – further away = less detail
Motion Parallax
Linear Perspective-lines converge in the distance
Relative Motion

21. Monocular Depth Cues
How can you use monocular depth cues to perceive distance in this image?

22. Binocular Depth Cues Binocular Depth Cues:
Cues that depend upon the movement of both eyes
E.g.:
Convergence – eyes turn inward to see nearby objects
Retinal Disparity – position of your eyes

23. Video Clip: “Is Seeing Believing?”
Why do the people in this “Illusion Room” appear to change heights as they switch positions?
How are our monocular depth cues being misled?

24. Perceiving certain objects in the same way regardless of changing angle, distance or lighting

25. Illusions
Illusions:
Perceptions that misrepresent physical stimuli

26. Illusions

27. 3-D Sidewalk Illusions

28. 3-D Sidewalk Illusions

29. 3-D Sidewalk Illusions

30. 3-D Sidewalk Illusions

31. 3-D Sidewalk Illusions

32. Extrasensory Perception
Extrasensory Perception (ESP):
An ability to gain information by some means other than the ordinary senses
Types of ESP:
Clairvoyance
Telepathy
Psychokinesis
Precognition

33. Homework Study for Test Chapter 8: Sensation & Perception
Bring your book!!!!!
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