Contrast sensitivity: Psychophysical and evoked potential methods compared |
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| Authors: | Mark W. Cannon |
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| Affiliation: | Aviation Vision Laboratory, Human Engineering Division, Air Force Aerospace Medical Research Laboratory, Wright-Patterson Air Force Base, OH 45433U.S.A. |
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| Abstract: | Contrast sensitivity functions derived from steady state evoked potential thresholds show high correlation with psychophysically derived threshold contrast sensitivity functions. This correlation holds as flicker rate, type of flicker, optical correction and visibility conditions are changed over a substantial range, provided that VEP and psychophysical data are recorded under the same experimental conditions. |
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