Sensation - Chapter 5: Sensation and Perception Sensation...

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Chapter 5: Sensation and Perception Sensation 0. Process by which we become aware of stimulation 1. Sense organs 4 Phases in Info. Gathering 1. Collector Mechanisms 2. Receptors 3. Nerve Impulses 4. Neural Coding The Detection Question 2. Absolute Threshold 0. stimulation can just be detected 3. Values 1. Vision: candle can be seen at 30 miles 2. Hearing: tick of a watch at 20 feet 3. Taste: one tsp. of sugar in 2 gallons of water 4. Absolute Threshold 5. Varies from person to person and within the same person 4. increase in adulthood 6. Taste better than smell 7. Terminal Threshold Normal sensory response turns to pain The Discrimination Question 8. Difference Threshold Smallest perceptible difference between two stimuli of the same type 9. 5 candles, add 1 10. 100 candles, add 1 11. Weber’s Law Size of the j.n.d. is a constant fraction of the standard stimulus 12. 10 pounds: 1 pound 13. Smallest for hearing Signal Detection Theory 14. Sensitivity of the person and the conditions for making judgments 15. Working in your yard and waiting for a phone call at 3:00 pm
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This note was uploaded on 11/16/2011 for the course PSYCH 2500 taught by Professor Watley during the Fall '08 term at Valdosta State University .

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Sensation - Chapter 5: Sensation and Perception Sensation...

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