Attention and Scene Perception

Attention and Scene Perception - 8 8 Attention and Scene...

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8 Attention and Scene Perception Chapter 8 8 Attention: How do we perceive whole scenes? • Theories of attention • Techniques for studying scene perception • Physiological basis of attention • Attention and single cells • Disorders of attention • Scene recognition 8 Attention: It is impossible to process everything at once
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8 Attention: It is impossible to process everything at once 8 Selection in Space Reaction time: a measure of the time from the onset of a stimulus to a response. Cue: A stimulus that might indicate where (or what) a subsequent stimulus will be: valid vs. invalid vs. neutral. Stimulus onset synchrony (SOA): the time between the onset of one stimulus and the onset of another. 8 Cueing as a tool for examining attention Simple probe detection experiment
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Cueing as a tool for examining attention 8 Theories of Attention “Spotlight” model: attention can move from one point to the next. “Zoom lens” model: attention expands from fixation…grows to fill whole region…shrinks to include just cued location. 8 Visual Search Looking for a target in a display containing distracting elements. Target: the goal of visual search.
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Attention and Scene Perception - 8 8 Attention and Scene...

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