Lecture_9-15 - Attention 1: Gate keeper of Consciousness 1....

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Attention 1: Gate keeper of Consciousness 1. Why Study Attention? Attentional Blindness 2. History of Study of Attention 3. Attention in Audition 4. Theories of Attention 5. Unconscious Perception Announcement Cog Labs: Do not cut and paste!
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Change Blindness Demonstrations If you do not attend to something, you may not consciously “perceive” it at all. (Extreme example) (also see ch. 3 p. 81)
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Inattention Blindness (discovered at Berkeley) Attentional Blindness You may not consciously perceive something unless you attend to it. www.psych.ubc.ca/%7Erensink/ficker/index.html Name 4 kinds of attentional blindness?
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Simons and Levin, 1998 Change blindness in the real world. .. Part memory, but. .. Also see ch. 8, p. 273 Change blindness in the real world What happens in this study?
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Simon and Levin Did you notice anything unusual when a door passed a few minutes ago? Did you notice that I am not the same person who approached you originally? Only 4 of 12 noticed switch. Only 3 more noticed it when explicitly mentioned. Attentional Blink J or K or Both 0 14 28 42 56 70 0 1 2 3 4 Percent Detected Items Separating Target 1 Target 2 Target Statistically SigniFcant ±(1,412) = 302, p < .001
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Conclusion - Attentional Blindness You might not be consciously aware of something unless you attend to it. “Attention is the gatekeeper to your consciousness.” Important in real world?
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Lecture_9-15 - Attention 1: Gate keeper of Consciousness 1....

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