Chapter 5 - 1 1 Announcements: Read your syllabus Do your...

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Unformatted text preview: 1 1 Announcements: Read your syllabus Do your PRS Complete 5 thought papers Keep up with chapter quizzes Participate in experiments (especially men!) 2 Exams: Make-up for exam 1 or 2 on March 31 at 7:30 in Morrill 329 Final exam: Tuesday, May 20 4-6 p.m. in Totman Gym Do not plan to skip the final! 3 Sensation and Perception Chapter 5 4 Selective Attention Our conscious awareness processes only a small part of all that we experience. We intuitively make use of the information we are not consciously aware of. 2 5 Inattentional Blindness Inattentional blindness refers to the inability to see an object or a person in our midst. 6 Change Blindness Change blindness is a form of inattentional blindness in which two-thirds of individuals giving directions failed to notice a change in the individual asking for directions. 7 Sensation & Perception How do we construct our representations of the external world? To represent the world, we must detect physical energy (a stimulus) from the environment and convert it into neural signals. This is a process called sensation . When we select, organize, and interpret our sensations, the process is called perception . 8 Bottom-up Processing Analysis of the stimulus begins with the sense receptors and works up to the level of the brain and mind. Letter A is really a black blotch broken down into features by the brain that we perceive as an A. 3 9 Top-Down Processing Information processing guided by higher- level mental processes as we construct perceptions, drawing on our experience and expectations. 10 Our sensory and perceptual processes work together to help us sort out complex images. Making Sense of Complexity 11 Sensing the World Senses make an organism adapted to its niche. A frog feeds on Fying insects; a male silkworm moth is sensitive to female sex-attractant odor; and we as human beings are sensitive to sound frequencies that represent the range of human voice. 12 Sensing stimulation and differences Diminished sensitivity as a consequence of constant stimulation....
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Chapter 5 - 1 1 Announcements: Read your syllabus Do your...

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