PPT-Visual Perception – Perceptual Set

Author : danika-pritchard | Published Date : 2016-06-15

Look closely at the illustration of a seal act for a circus in the figure below What do you see Would you have seen it differently without the cue You may have

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Visual Perception – Perceptual Set: Transcript


Look closely at the illustration of a seal act for a circus in the figure below What do you see Would you have seen it differently without the cue You may have identified a seal balancing a ball on its nose with its trainer on the right holding a fish in one hand and a stick in the other . Eesha Sharma, MD. Sense organs. Receptor potential. Generator potential. Psychophysics. Gustav Theodor Fechner, 1860. Quantitative relationship between physical stimuli and the sensations and perceptions they effect. Structure. Applying principles of perception to art-making. Why study representational drawing?. How to quantify drawing ability. Research connecting drawing ability and various perceptual phenomena. Imagine that you are outside on a clear night in which there are no clouds, and there is a bright FULL MOON. Pretend that on a table in front of you are objects that range in size from a BB to a beach ball as follows:. Eesha Sharma, MD. Sense organs. Receptor potential. Generator potential. Psychophysics. Gustav Theodor Fechner, 1860. Quantitative relationship between physical stimuli and the sensations and perceptions they effect. http://www.psychologie.tu-dresden.de/i1/kaw/diverses%20Material/www.illusionworks.com/index.html. The . Warped Chair.  by . Ibride. Perception. a process of . organizing and interpreting . sensory information, enabling us to recognize meaningful objects and events. Perception pt. 2. http://www.psychologie.tu-dresden.de/i1/kaw/diverses%20Material/www.illusionworks.com/index.html. http://www.eyetricks.com/scary_optical_illusion2.htm. Difference Thresholds. Any smallest detectable change in a stimulus:. 1- Perception. 2- Memory. What is perception?. A . process by which the brain analyses and makes sense out of incoming . sensory. information. . What are the three areas of perception?. S. egregation . The Object of Perception:. . some things in our environment tend to attract attention. Backgrounds and Surroundings. . our surroundings at the moment of perception will affect our perceptions. The Perceiver. Fatmah . Sakran. 200901078. Definitions . Sensation:. The detection of physical energy emitted or reflected by physical objects. Occurs when energy in the external environment or the body stimulates receptors in the sense organs.. Eesha Sharma, MD. Sense organs. Receptor potential. Generator potential. Psychophysics. Gustav Theodor Fechner, 1860. Quantitative relationship between physical stimuli and the sensations and perceptions they effect. 1. BB 2. Pea 3. Dime. 4. Penny 5. Nickel 6. Quarter. 7. Golf ball 8. Baseball 9. Softball. 10. Small salad plate 11. Large dinner plate 12. Frisbee. 13. Basketball 14. Beach ball. Please pretend that you are going to pick one of these things that WHEN HELD AT ARM’S LENGTH JUST COVERS UP THE MOON. Imagine that you are picking one that when you hold it in your hand will JUST BARELY COVER UP THE MOON so that you can no longer see it.. Hue—. Dimension . of color that is determined by the wavelength of light; what we know as the color names . blue, green, . and so forth.. Intensity—. Amount . of energy in a light wave or sound wave, which influences what we perceive as brightness or loudness. Intensity is determined by the wave’s amplitude (height).. Perceptual constancy. Stimuli changes, object perceived to stay the same. In other words:. Image on retina . changes. , but brain perceives image as being constant/unchanging . Stimuli changes, but . Candice Elam Rice, OD, FAAO. Lexington VAMC. Objectives. Review visual information processing. Types of deficits. Evaluation. Management. LGN. Relay center from retina to primary visual cortex. . Magnocellular layers .

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