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Chapter 8.3: Perception, Illusions, and ESP. Mr. Loeffler Psychology. 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. Perceptual Organization. Gestalt:
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Chapter 8.3:Perception, Illusions, and ESP Mr. Loeffler Psychology
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.
Perceptual Organization • Gestalt: • The experience that comes from organizing bits and pieces into meaningful wholes
Subliminal Messages • Brief auditory or visual messages that are presented below the absolute threshold • First reported being used in a movie theatre “Eat Popcorn”
No ring on Finger • Red mask is upside down • Red mask covering backside is symbolic of animal in heat
Depth Perception • Depth Perception: • The ability to recognize distances and three-dimensionality
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
Monocular Depth Cues How can you use monocular depth cues to perceive distance in this image?
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
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 cuesbeing misled?
Perceiving certain objects in the same way regardless of changing angle, distance or lighting
Illusions • Illusions: • Perceptions that misrepresent physical stimuli
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
Homework • Study for Test • Chapter 8: Sensation & Perception • Bring your book!!!!! • YOU GOT IT, YOU CAN USE IT