Chapter 4 - Chapter 4 Sensory Information How sensitive are...

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Chapter 4 Sensory Information
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How sensitive are our senses? The answer is not a simple one…. Absolute Sensory Threshold - intensity at which you can detect the stimulus 50% of the time Varies from one person to the next Varies depending on other factors such as exposure to other stimulus like light .
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Signal Detection Theory Stimulus Present Stimulus not Present Perceives the Stimulus Does not Perceive Stimulus Makes Hit Misses False Alarm Correct Rejection
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Signal Detection Theory Signal Detection Theory- Study of people’s tendency to to correctly or incorrectly detect stimuli. Knowing what factors influence a person’s false alarm rate has applications for the military and for law.
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Subliminal Perception Subliminal Perception- being able to perceive a stimulus even though it is so brief and of such low intensity that we don’t consciously detect it. The movie “Fight Club” talks about subliminal messages and the makers have a few examples in the actual movie.
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Subliminal Perception Can we really be influenced by products like this? Research shows that subliminal perception has no long-term influence on human behavior.
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Subliminal Perception What has research shown about subliminal perception? 1.We can detect it 2.Priming- being presented with subliminal messages can make us more likely to respond a certain way IMMEDIATELY after
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Perception of Patterns How are we able to turn raw info from our sense organs into recognizable and orderly stimuli?
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How are we able to turn raw info
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This note was uploaded on 07/13/2008 for the course PSYC 110 taught by Professor Delanger during the Spring '06 term at University of Tennessee.

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Chapter 4 - Chapter 4 Sensory Information How sensitive are...

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