Psych 463, Exam 1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Number of senses? | show 🗑
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| Receptor neurons? | show 🗑
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| show | Transforming energy from one form to another. In the eyes, it involves the rods and cones. In the hearing, it's the hair cells in the inner ear.
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| show | Psychophysical focuses on stimulus-perception relationship (Weber fraction), while Physiological focuses on stimulus-neuronal relationship (receptive fields).
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| show |
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| show | 1. Absolute Threshold Detection
2. Difference Threshold Discrimination
3. Stimulus Identification
4. Magnitude Estimation
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| show | Perceived Magnitude = KSn
-K is some constant
-S is stimulus intensity
-n is some power (usually less than 1)
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| show | DL / S = K, where
-DL is the Difference Limen / the just-noticeable difference (jnd)
-S is the value of the standard stimulus
-K is a constant that varies from one sensory modality to another.
Weber’s Law breaks down at extremes.
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| Psychophysical Methods? | show 🗑
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| Subjectivity of Psychophysical Methods? | show 🗑
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| Effiency of Psychophysical Methods? | show 🗑
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| Signal Detection? | show 🗑
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| show | Related to the ratio of Hits and False Alarms (really difference between normal curves divided by standard deviation).
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| show | -Related to total number of Yes responses (Hits plus False Alarms)
-Different people may have different criteria
-Can be manipulated by changing payoffs.
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| Perceptual Processes? | show 🗑
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