Concept definition 16 even though your friend appears

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being farther away. Concept: Definition: 16. Even though your friend appears visually to be getting larger as he approaches you, you appreciate that he remains the same size, and the visual sensation results from his approach. Concept: Definition: TEXT (Chapter 6) These questions will help you focus your studying of text related material. 1. What is “ the riddle of separate sensations ”? What does this “riddle” tell us about our capacity to experience the world as it truly exists? 2. What is the difference between an “ absolute threshold ” and a “ difference threshold ”? Why are these concepts important to measuring the senses? How sensitive are our senses? 3. What does signal detection theory tell us about psychological processes that are involved in sensation? 4. Distinguish “ sensory adaptation ” and “ sensory deprivation ”. How are these concepts related to each other? 5. Why is the visual system not a camera? 6. How do psychological processes like needs, beliefs, emotions and expectations influence perception? What role does culture play in these psychological processes? ______________________________________________________________________________ 3
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L ECTURE E XERCISE A NSWER K EY True/False 1. 0 The process of organizing and interpreting sensory experiences is called perception. 2. 0 Assembling elements into meaningful wholes is termed grouping for simplicity. 3. + 4. + Fill in the Blank 5. perceptual constancy (in this case, color constancy) 6. transduction 7. relative sizes of objects (larger objects are perceived as nearer) 8. retinal disparity 9. extrasensory perception 10. texture gradient 11. 1 (System 1 thought is automatic, quick, intuitive, and usually nonconscious) Short Answer 12. Perceptual processes for judging distance and depth include retinal disparity
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